Artefakto, El (Solaris ficción) (Spanish Edition)
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It has been placed in frontal Andean mountain in San Juan. In this geographic framework has been developed Au and Ag mineral project in order the world scale. The aim of this article is has been related the mineral and geological units bet wen the basin chemistry as well as to carry out future measurements mines impacts in this area. Amphisbaenidae en la provincia de San Juan , Argentina. Amphisbaena angustifrons plumbea Gray.
Stenocercus doellojuradoi Iguanidae, Liolaeminae: The spatial distribution and several morphometric characteristics of the Quaternary alluvial fans of the San Juan River, in the province of San Juan , at the Central and Western part of Argentina , have been studied to classify them as paraglacial megafans, as well to ratify its depositional environmental conditions. The high sedimentary load exported by San Juan river from the Central Andes to the foreland depressions is estimated about 3,, hm3.
The large alluvial fans of Ullum-Zonda and Tulum valleys were deposited into deep tectonic depressions, during the Upper Pleistocene deglaciation stages. The outcome of collecting remotely sensed data, map and DEM data, geophysical data and much fieldwork gave access to morphometric, morphographic and morphogenetic data of these alluvial fans. The main drainage network was mapped on processed images using QGis vers. Several fan morphometric parameters were measured, such as the size, the shape, the thickness, the surface areas and the sedimentary volume of exported load.
The analyzed fans were accumulated in deep tectonic depressions, where the alluvium fill reaches to m thick. Such fans do not reach the large size that other world megafans have, and this is due to tectonic obstacles, although the sedimentary fill average volume surpasses , hm3. The author proposes to consider Ullum-Zonda and Tulum alluvial fans as paraglacial megafans. According to the stratigraphic relationships of the tropical South American Rivers, the author considers that the San Juan paraglacial megafans would have occurred in the period before 24 ka BP , possibly corresponding to Middle Pleniglacial ca ka BP.
They record colder and more humid conditions compared with the present arid and dry conditions. Paradiplomacia en las relaciones Chileno- Argentinas: The dissertation studies how non-central governments inserted themselves in the integration process between Argentina and Chile. As a case study, the link between the Argentinean province of San Juan and the Chilean region of Coquimbo was addressed through an extensive literature review and more. En un segundo momento se recogen las afirmaciones acerca de las mediaciones humanas de la presencia de Dios en la historia.
Su objetivo principal es determinar la progresiva modificacion de la isla de calor urbana en un periodo de quince anos y la correlacion de esta con la ocupacion del area urbana del Gran San Juan GSJ , localizada en la diagonal arida de Elemental composition of PM2. This study contributes to the current knowledge about air pollution in the province of San Juan , Argentina.
Sampling was carried out to measure the fine particulate matter in the atmosphere PM 2. The results revealed that PM 2. In addition, for the elements quantified in the filters, a multivariate analysis Positive Matrix Factorization was performed to identify the main sources of emission of these elements in the study area, with a series of components being obtained that corresponded to their compositions, which were assigned physical meanings. The results of this study provide the first PM composition database in the province, and this can now be used in the development of mitigation and prevention programs.
Arsenic As speciation in surface and groundwater from two provinces in Argentina San Juan and La Pampa was investigated using solid phase extraction SPE cartridge methodology with comparison to total arsenic concentrations. Analysis of the waters for arsenic total and species was performed by inductively coupled plasma mass spectrometry ICP-MS in collision cell mode.
The pH range for the provinces of San Juan 7. Chemical quality and oxidative stability of extra virgin olive oils from San Juan province Argentina. This study provides information about the chemical quality quality indices, fatty acid profile, total polyphenols PPs , tocopherols and pigments and oxidative stability index OSI of virgin olive oils of Arbequina, Changlot Real and Coratina cultivars San Juan province, Argentina.
The influence of the cultivar and the effect of earlier harvest dates on the yields OY , quality and OSI of the oils were also evaluated. All the oils were classified as extra virgin. The prior objective is to reach co - location between both techniques, so the Station became of 1st order in ITRF net.
For that we study and adopt an appropriate strategy to select and place Survey Control Points that ensures higher precision in determination of 3D vectors between the selected reference point s. Afterwards we perform translocation tasks of receptor and antenna checking that the GPS verifies builder standards.
Then we design and compensate survey control network, by means of software of our own draught. We expect to obtain definitive local ties with precision better than 3 mm, as suggested by IERS for co - located stations. There are very few stations with co - located spatial techniques in the Southern Hemisphere, so it is of great importance to have one in Argentina for improve our participation in IERS on the new realizations of ITRF from now on.
Monitoreo de la calidad de datos GPS continuo: The recorded data of UNSJ are widely applied to cadastral surveys and serve as the basis for defining national and regional geodetic reference frames. As a key component of the. Monitoring organo chlorine pesticides in surface and ground water in San Juan Argentina ; Determinacion de pesticiddas organoclorados en aguas superficiales y subterraneas de la provincia de San Juan Argentina. The level of contamination with organo chlorine pesticides and the occurrence of their degradation products in the basins of the two main rivers.
Surface and groundwater samples from both river basins were evaluated by capillary GC and results confirmed with Mass Spectrometry. Chemicals investigated were 16 organo chlorine pesticides. For a total number of samples, the percentage of positive samples ranged from Samples taken in different seasons did not show significant differences.
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Effect of seasonal variations and collection form on antioxidant activity of propolis from San Juan , Argentina. Propolis was included in the Argentine Food Code as a functional food. The chemical parameters and antioxidant properties of propolis samples from the same colonies of Apis mellifera in San Juan Cuyo region, Western Argentine were compared every month for 1 year using two collection methods. Chemical parameters were analyzed by the spectrophotometric method and fingerprinting using high-performance liquid chromatography with ultraviolet detection.
The antioxidant activities of propolis samples were measured using model systems including the analysis of the scavenging activities for 2,2'-azino-bis 3-ethylbenzthiazolinesulfonic acid ABTS and 2,2-diphenylpicrylhydrazyl DPPH radicals and the beta-carotene bleaching assay. The results showed that propolis had a higher free radical scavenging and lipid peroxidation inhibitory capacity than butylated hydroxytoluene and quercetin, antioxidants used in the pharmaceutical and food industries.
Samples collected in November had the highest antioxidant capacity. A significant positive correlation was found between the antioxidant capacity and flavonoid content of each analyzed extract. The chemical profiles were very similar. Galangin 3,5,7-trihydroxyflavone , an antioxidant compound, was detected in all samples as a major compound. The chromatographic profile suggests that of Baccharis sp. Our results suggest that Argentine propolis from Cuyo is a promising source of bioactive compounds as ingredients for developing functional foods with a.
Departamento Pocito, San Juan , Argentina. Megelenophorus americanus Lacordaire Coleoptera: Polybia ruficeps Schrottky Hymenoptera: In order to determine the specific composition of cadaverous arthropod fauna associated to different decomposing vertebrate substrates, we studied the carrion arthropods that feed on outdoor carcasses in San Juan province, Argentina. Arthropods were collected on animal and human remains in the field and on carcasses of domestic pig placed outdoors under controlled conditions.
Forty species of carrion arthropods belonging to four orders and 15 families were recorded for the first time in this province. We present the first record of forensic fauna in Argentina of the necrophagous species Megelenophorus americanus Coleoptera: The infusion of the aerial parts of Gentianella multicaulis Gillies ex Griseb. Fabris Gentianaceae , locally known as 'nencia', is used in San Juan Province, Argentina , as stomachic and as a bitter tonic against digestive and liver problems. The bioassay-guided isolation of G.
The dermatophytes Microsporum gypseum, Trichophyton mentagrophytes, and T. In addition, oleanolic acid 1 and ursolic acid 2 were also isolated. These findings demonstrate that Gentianella multicaulis collected in the mountains of the Province of San Juan , Argentina , is an important source of compounds with antifungal and antioxidant activities. The larger and more abundant effects were concentrated in the km long band of the lowlands in the Valle del Bermejo and in an equally long band along the Rio San Juan in the Valle de Tulum.
Fissures in the Valle del Bermejo were up to several hundred meters long and up to several meters wide. Sand deposits, from boils that erupted through the fissures, covered areas up to tens of square meters. Fissures generally parallelled nearby stream channels. Because the Valle del Bermejo is undeveloped, these large features caused no damage. Liquefaction in the Valle del Tulum caused important or unusual damage at several localities, including the following five sites: Castro, a subdivision of Caucete, liquefaction of subsurface sediments decoupled overlying, unliquefied stiff sediments, producing a form of ground failure called "ground oscillation".
The associated differential ground movements pulled apart houses and pavements in extension, while shearing curbs and buckling canal linings in compression at the same locality. That displacement fractured and tilted columns supporting the roof. The foundation was fractured at several places, leaving open cracks, as wide as 15 mm. The cumulative width of the open cracks was 48 mm, an amount roughly equivalent to the 63 mm of offset between the roof and foundation at the east end of the building.
The ground and foundation beneath the building extended or spread laterally opening cracks and lengthening the foundation while the roof remained in place. Island heat effect and spatial urban occupancy in San Juan , Argentina: Geochemical features of the Cretaceous alkaline volcanics in the area of Morado hill, Jachal town, San Juan , Argentina.
This paper is about the alkaline volcanic rocks that crop out at the Morado hill located in the southern end of the Mogna ranges, which are part of the Eastern border of the pre mountain in the San Juan province, Argentina. The petrography and geochemistry study of the alkaline volcanics has allowed to classify them as tephrite basanite or basanite nephelinite, with strong alkaline chemical affinity, showing a characteristic composition of within plate geochemistry environment. The discussion of the results makes conspicuous the relationships of these alkaline rocks with others of the central and northwestern regions of the country that allowed to establish an alkaline petrographic province.
The accomplishment of the co-location consisted in the design, construction, measurement, adjustment and compensation of a geodesic net between the stations SLR and GPS, securing support points solidly built in the soil. The co-location allows the coordinates of the station to be obtained by combining the data of both SLR and GPS techniques, achieving a greater degree of accuracy than individually.
The International Earth Rotation and Reference Systems Service IERS considers the co-located stations as the most valuable and important points for the maintenance of terrestrial reference systems and their connection with the celestial ones. The 3 mm precision required by the IERS has been successfully achieved. Geology and metallogeny of the volcanic complex of Rio Blanco Ullum. Province of San Juan. Argentina are summarized in the present paper. These studies are focused on geological and metallogenic features o f this unit.
The study area is located 20 km. The older rocks aotcroping in the area correspond to limestones of Ordovician San Juan Formation, the chronologic succession continues with sales and siltstones of Silurian Tambolar Formation, pelites and subgraywackes of Devonian Punta Negra Formation and finally a m thick package of piroclastics and sediments of Albarracin Formation of Tertiary age. Albarracin Formation is composed pf a Basal Member sandstones and stilstones , a Tuffaceous Member tuffs, tuffites and oligomictic breccia s with conglomerate interbed dings in the upper part and a Conglomeratic Member polimictic para conglomerates.
According to piroclastics facies, relationships and spreading area of piroclastics deposits a c olapsed dome and avalanche model is proposed to be the main process for the piroclastics package outcropping in the area. Sedimentary and piroclastics rocks are intruded by five sub volcanic units as noted by Leveratto which are composed by different lithologies such as: Detailed work on alteration assemblages and metallogenic features in the southwestern sector of the Complejo resulted in the identification of three alteration zones with characteric features of potassic, argillic and propyllitic signature.
This discussion of Argentina covers geography, the people, history and political conditions, government, economy, foreign relations, and relations between the US and Argentina. In , the population of Argentina was estimated to be The infant mortality rate is Descendants of Italian and Spanish immigrants predominate in Argentina , but many trace their origins to British and West and East European ancestors.
In recent years, there has been a substantial influx of immigrants from neighboring Latin American countries. The native Indian population, estimated to be 50,, is concentrated in the peripheral provinces of the north, northwest, and south. What is now Argentina was discovered in by the Spanish navigator Juan de Solia. The formal declaration of independence from Spain was made on July 9, In the late 19th century, 2 forces worked to create the modern Argentine nation: Argentina has impressive human and natural resources, but political conflict and uneven economic performance since World War II have impeded full realization of its considerable potential.
Yet, it is one of the wealthiest countries in Latin America. Among the reasons for the military coup of March was the deteriorating economy, caused by declining production and rampant inflation. Under the leadership of the Minister of the Economy, the military government focused attention on those immediate problems, and, in , embarked on a new development strategy focusing on the establishment of a free market economy. There was little improvement in the economy, and a new economic plan was introduced in which has capped inflation by.
Succession of carrion fauna in the arid region of San Juan Province, Argentina and its forensic relevance. Two pig carcasses Sus scrofa were placed in wire mesh cages, m apart from each other. Each carcass was surrounded by pitfall traps, and a modified Malaise trap was placed above.
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Daily samplings were carried out to collect the insects present in the carcasses and the traps, and body and environmental temperature were measured. The main colonizer species was Chrysomya albiceps Wiedemann and its larvae were dominant over other Diptera. The first adult blowflies emerged at 8. The time to reach the remains stage was 8 days shorter than for other South American sites.
We recorded the early arrival of adult Dermestes maculates De Geer and Dermestes ater De Geer 2 days after the beginning of the assay, and larvae of these species were recorded 4 days after. We determined a 1. The purpose of the geophysical survey was to determine the degree of fracturing and the rigidity of the rock mass through which it is planned to build a m long road tunnel traversing the mountain almost perpendicular to the axis thereof, at around m depth from the summit. Several difficulties arose from the operational point of view which made it almost impossible to conduct fieldwork in normal circumstances.
Legal restrictions regarding the use of explosives on the one hand and insufficient power when using hammer blows on the other made it necessary to design and build a gas-powered gun to achieve the minimum energy 2 kJ required for detecting seismic signals. Secondly, using conventional interpretation methods involving layered models was inoperable in such geological structures; seismic tomography methods were thus used which make use of the velocity gradient concept both lateral and in-depth.
This allowed mapping subsurface velocity variations in the form of velocity contour lines.
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The methodology used with the new seismic waves' source generator, as well as SRT application in this type of geological structure, demonstrated that satisfactory results could be obtained for this kind of geophysical study for geotechnical purposes. The Chilean Pampean flat slab of Argentina associated with the subduction of the Juan Fernandez ridge lies in a region of a series of foreland uplifts corresponding to the thin-skinned Precordillera and basement cored Sierras Pampeanas ranges.
The SIEMBRA project deployed 40 broadband stations in in both the Precordillera and the Sierras Pampeanas with the aim to foster the understanding of the entire central Andean flat slab region. We thus performed a receiver function analysis using teleseismic data recorded at the DOCA station during the SIEMBRA project and from October to June using a broadband UNSJ National University of San Juan seismic station with the purpose to obtain crustal images with details of the intracrustal structure consistent with a mechanism that could explains both the observed earthquake depths and the uplift pattern in the Central Precordillera.
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Our results show that the Moho beneath the Precordillera lies at a depth of about 66 km. The Moho signal appears diminished and behaves irregularly as a function of azimuthal orientations. Although this observation could be the result of an irregular geometry it also correlates with the hypothesis of partial eclogitisation in the lower crust. Two mid-crustal discontinuities have also been revealed. The deeper one which the presence has been matched with a sharp decrease of the crustal seismic activity drove us to the hypothesis of a major change in crustal composition at 36 km.
Geomorphic, tectonic, and paleoseismic evidence. Romina; Vargas, Horacio N. Moreover, it is not a piggy-back basin as we could have expected between two ranges belonging to a fold-thrust belt, but a very active tectonic corridor coinciding with a thick-skinned triangular zone, squeezed between two different tectonic domains. The two domains converge, where the Precordillera Oriental has been incorporated to the Sierras Pampeanas province, becoming the western leading edge of the west-verging broken foreland Sierras Pampeanas domain.
This depression dies out against the transversely oriented Precordillera Sur, which exhibits a similar tectonic style as Precordillera Occidental and Central east-verging fold-thrust belt. The herein gathered evidence comprise Late Pleistocene-Holocene landforms of active thrusting, fault kinematics micro-tectonic data and outcrop-scale meso-tectonic faulting and folding of recent lake and alluvial sequences. Rock glaciers are frozen water reservoirs in mountainous areas.
Water resources are important for the local populations and economies. The presence of rock glaciers is commonly used as a direct indicator of mountain permafrost conditions. Over active rock glaciers have been identified, showing that elevations between and m asl. The predictive performances of the model have been estimated by known rock glaciers locations and by the area under the receiver operating characteristic curve AUROC.
This regional permafrost map can be applied by the Argentinean Government for their recent initiatives which include creating inventories, monitoring and studying ice masses along the Argentinean Andes. Further, this generated map provides valuable input data for permafrost scenarios and contributes to a better understanding of our geosystem. The rockslide-debris avalanche blocked the course, resulting in the development of a lake with maximum length of around 3.
On 12 November the dam failed, releasing The resulting outburst flood caused damages mainly on infrastructure, and affected the facilities of a hydropower dam which was under construction km downstream from the source area. In this work we describe causes and consequences of the natural dam formation and failure, and we dynamically model the rockslide-debris avalanche with DAN3D. We analyzed two potential scenarios: The spreading of those potential events shows that a new blockage of the Santa Cruz River is likely to occur.
According to their modeled morphometry and the contributing watershed upstream the blockage area, as the one of , the dams would also be unstable. This study shows the importance of back and forward analysis that can be carried out to obtain critical information for land use planning, hazards mitigation, and emergency management. Carbonate fault breccia dykes in the Cerro La Chilca area, Eastern Precordillera, west-central Argentina , provide clues on the probable mechanism of both fault movement and dyke injection. The timing of breccia dyke emplacement is constrained by cross cutting relationships with the uppermost Triassic unit and conformable contacts with the Early Miocene sedimentary rocks.
This study supports a tectonic-hydrothermal origin for these breccia dykes; fragmentation and subsequent hydraulic injection of fluidized breccia are the more important processes in the breccia dyke development. Brecciation can be triggered by seismic activity which acts as a catalyst.
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The escape of fluidized material can be attributed to hydrostatic pressure and the direction of movement of the material establishes the direction of least pressure. Previous studies have shown that cross-strike structures have had an important role in the evolution of this Andean segment since at least Triassic times.
These structures represent pre-existing crustal fabrics that could have controlled the emplacement of the dykes. The dykes, which are composed mostly of carbonate fault breccia, were injected upward along WNW fractures. Argasidae sobre Rhinella arenarum Anura: Carbonate microfacies of the San Juan Formation Ordovician: This contribution presents the description and interpretation of carbonate microfacies of the San Juan Formation Ordovician at the Niquivil section, considering the stratigraphical interval between the Oepikodus evae and Oepikodus intermedius conodont zones.
The distribution of the microfacies and the conodonts assemblages allow us to identify different sub-environments within the late Floian carbonate ramp of the Central Precordillera. Five microfacies were recognized from the base to the top: The vertical distribution of these microfacies indicates a shallowing trend of the carbonate ramp in the Niquivil section for this temporal interval, which suggests a middle ramp environment with low energy, without wave action, and that evolved towards the middle-inner ramp environment with more energy by wave action and development of tempestites.
Distinct velocity variations are revealed between Precordillera in the west and Pie de Palo in the east. The low velocity anomaly beneath Precordillera is associated with the presence of thick sedimentary rocks and thick sediment cover of Matagusanos valley. Similarly, the high velocity anomaly east of Eastern Precordillera is correlated with the presence of basement rocks. A northeast trending west dipping high velocity anomaly is imaged beneath the southern half of Pie de Palo.
This anomaly represents a Grenvillian suture zone formed when Pie de Palo collided with the Precordillera. Relocated seismicity using 3-D Vp and Vs models obtained in this study revealed crustal scale buried faults beneath the Eastern Precordillera and Sierra Pie de Palo. These results confirm that present day active crustal thickening involves the entire crust in the tectonic process and results in thick-skinned deformation beneath both the Eastern Precordillera and Pie de Palo. Based on the seismicity pattern, geomorphology, and velocity structures, Sierra Pie de Palo, a basement uplift block, can be divided into two separate semi-blocks separated by a northeast trending fracture zone.
Spatial distribution of the well-relocated crustal earthquakes along these. Background notes on Argentina provide a profile of the geography, selected demographic features, government and economic conditions. Descriptive text includes a discussion of the people, their history and political conditions, the government and officials, the state of the economy, their defense, foreign relations, and relations with the US.
There are only 50, native Indians remaining in peripheral provinces. The population enjoys a high standard of living and a low growth rate. The country was shaped by dominant forces: Foreign investment aided the economic revolution. Conservative and radical rule has swung the country back and forth politically since Colonel Juan Domingo Peron led a successful military coup in and was elected in Policies were instituted to give a greater voice to the working class, and with the influences of his wife, women's groups. In , he was ousted by the military, which failed to revive the economy and quiet increasing terrorism.
After a number of difficult elections, Peron was reinstated as president in Extremists on the left and right threatened public order; the military as a consequence imprisoned persons indefinitely. Peron's wife succeeded him after his death, but was removed from office in the military coup of Basic human rights were violated during this period. By , a fair election was held and support increased for a democratic system. In , Carlos Saul Menem, a Peronist candidate, won and established. Herpetofauna de la provincia de San Juan , Argentina: El conocimiento de la fauna de anfibios y reptiles de la Provincia de San Juan es fragmentario e incompleto.
The knowledge of amphibians and El estudio focaliza en tres aspectos: The study focuses on three areas: The chemical characterization as well as the assessment of geographical origin of propolis from several areas of the Provincia de San Juan Argentina is reported. Chemical characterization of propolis was performed by measuring total phenolic TP , total flavonoids FL , free radical scavenging capacity DPPH bleaching , and metal content in samples of six different districts.
Six main flavonoids were isolated and identified from the propolis samples, comprising the flavanones 7-hydroxymethoxyflavanone 1 , pinocembrin 2 , and pinobanksin 3 , the flavones chrysin 4 and tectochrysin 5 , and the flavonol galangin 6. Free radical scavenging activity, measured as percent DPPH bleaching, ranged from A direct relationship of DPPH free radical scavenging activity with TP or with compounds was not found, showing the need of further evaluation on the origin of free radical activity in propolis samples.
Provincia de San Juan - Argentina. Full Text Available El conocimiento de la fauna de anfibios y reptiles de la Provincia de San Juan es fragmentario e incompleto. The knowledge of amphibians and reptiles of San Juan Province is characterized by being fragmentary and incomplete. For that reason, the main purpose of this work is to present a list of the amphibians and reptiles of the province. The sources of information are a revision of herpetological collections from national and regional museums and bibliographic research.
We establish a list of 59 species and we present geographic localities of collections. Articles written in Sadhana. Volume 41 Issue 8 August pp El caso del Gran San Juan en Argentina. Uno de estos edificios fue la vivienda de Juan Fugl, principal precursor de la ciudad. The appearance of vestiges of tunnel-like underground constructions and ancient sand quarries in the historic center of the city of Tandil has generated a series of urban myths.
Full Text Available In this work framed within the functional variacionist theory that relates form, motivation and culture, we want to show how the XIX century native speaker of Spanish in San Juan , Argentina , alternates between synthetic and periphrastic devices to refer to future time according to their communicative purposes. The corpus consists of family letters written between and , in the "century of political independencies and the creation of new states, in which the fight for Latin American identity begins" [Majfud, ].
We consider that these alternate constructions are not equivalent syntactically, semantically nor pragmatically, their use being favoured by certain parameters. We adhere to the fact that "the functional explanations of linguistic change do not exclude but imply cultural explanations" [Coseriu, ].
This pragmatic approximation to linguistic use demands at the same time a qualitative and quantitative analysis. Vertical-axis rotations and deformation along the active strike-slip El Tigre Fault Precordillera of San Juan , Argentina assessed through palaeomagnetism and anisotropy of magnetic susceptibility. Palaeomagnetic data from poorly consolidated to non-consolidated late Cenozoic sediments along the central segment of the active El Tigre Fault Central-Western Precordillera of the San Juan Province, Argentina demonstrate broad cumulative deformation up to m from the fault trace and reveal clockwise and anticlockwise vertical-axis rotations of variable magnitude.
This deformation has affected in different amounts Miocene to late Pleistocene samples and indicates a complex kinematic pattern. Several inherited linear structures in the shear zone that are oblique to the El Tigre Fault may have acted as block boundary faults. Displacement along these faults may have resulted in a complex pattern of rotations. The maximum magnitude of rotation is a function of the age of the sediments sampled, with largest values corresponding to middle Miocene-lower Pliocene deposits and minimum values obtained from late Pleistocene deposits.
The kinematic study is complemented by low-field anisotropy of magnetic susceptibility data to show that the local strain regime suggests a N-S stretching direction, subparallel to the strike of the main fault. Our main goal was to verify if different wine varieties could be differentiated from their VOCs profile, considering changes induced by their age, the yeast inoculated and the type of alcoholic fermentation, establishing those compounds that could be used as chemical markers of a particular variety.
Using controlled fermentations, 1-hexanol, a pre-fermentative VOC, presented a similar trend in wines produced from different yeast; while other fermentative VOCs, like ethyl caproate and ethyl caprilate, presented lower levels for Bonarda but also for Syrah. To our knowledge, this is the first report on characterization of VOCs from Bonarda. Additionally, the quantitative analysis of VOCs profile, coupled to chemometrics, present a good alternative to differentiate wines from different varieties and also for studying wine fermentation.
Thermal and mineral resource exploitation in Angaco department, province of San Juan , Argentina , as therapeutic and recreational resort area.
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In this paper the development of the Guayaupa thermal and mineral spring water intended as therapeutic and recreational resort area is presented. From the analysis of the information related to geological, hydrogeological, hydrochemical, location, accessibility and climate aspects and also to the processing of the Landsat Tms satellite images to evaluate the geomorphologic and flora features an ordered diagnosis of the organization internal reality and its relation with the environment FODA analysis is presented. Results obtained from the strategic planning process conclude the availability and convenience of the project.
Se reconocieron cinco microfacies que, de base a techo, son: Se clasificaron 37 especies agrupadas en 18 familias. Las Fabaceae y Asteraceae son predominantes. In the Natural Area Protected President Sarmiento APN, situated in an intermountain depression of an arid region of the Zonda valley, a multidisciplinary analysis was performed, to stablish a relationship between habitat diversity, relief, soils and vegetation.
This wetland, Provincial Park Reserve President Sarmiento, is lies in a desertic area of central-western part of Argentina. Ten regional environment units within the basin, and 7 sites within the Park were identified and classified. The sites are located in the distal part of an extensive alluvial fan.
The survey of the vegetation identified a total of 37 plant species grouped into 18 families. The Fabaceae and Asteraceae are dominants. The tamarindo Tamarix gallica was the exotic flora most adaptable to this environment. Rock avalanche occurrence in the San Juan province Argentina: This article provides information on the energy resources, government, electricity supply, nuclear industry and fuel cycle of Argentina. The operating capacity, history and partial privatisation of the nuclear industry are covered, and fuel cycle facilities described.
These include uranium mining and processing, enrichment, fuel fabrication and heavy water production. This economical study summarizes the energy situation of Argentina: Energy data for the period are summarized in graphs and tables. Vale la pena describirlo The Sanrafaelic remagnetization revisited: Systematic rock-magnetic and magnetofabric studies were carried out on samples from twenty-three palaeomagnetic sites distributed on the La Laja, Zonda, La Flecha, La Silla and San Juan Formations, which constitute a thick middle Cambrian to early Ordovician carbonate sequence exposed in the Eastern Precordillera of Argentina.
Previous palaeomagnetic studies on these rocks showed that this succession is characterized by a recent full overprint in the lower levels and a post-tectonic Permian remagnetization associated to the widespread Sanrafaelic event in the upper part. Our investigation revealed that the fluctuations of the magnetic properties are stratigraphically lithologically controlled. Anisotropy of magnetic and anhysteretic susceptibility measurements defined consistent fabrics along the entire section that switch progressively from "inverse", at the bottom, to "normal", at the top, with "intermediate" fabrics occurring mainly at medium levels.
Degree of dolomitization significantly affects many rock-magnetic parameters, but appears unrelated to the presence of the Permian remagnetization, which is determined to reside in magnetite despite the complex magnetic mineralogy shown by the studied carbonates. Hysteresis cycles of rocks affected by the Sanrafaelic remagnetization are governed by ferromagnetic fractions showing a clear difference respect to those not affected and characterized by the dominance of paramagnetic or diamagnetic signals. The magnetic fabrics and mineralogical characterization rule out a thermoviscous origin and suggest a chemical remagnetization originated in the authigenic formation of magnetite for the Sanrafaelic overprint.
X-ray diffraction analyses indicate that clay minerals are virtually absent in the whole succession with no traces of illite in any sample, discarding burial diagenesis of clay minerals for the origin of the remagnetization. Lack of late Palaeozoic magmatic rocks near the study area difficults correlation of. This report presents a brief overview of the socio-economic, energy and environmental context in which climate change mitigation actions in Argentina shall be inserted. To that end, the dynamic of the Argentine economic development, its influence on the energy system and environmental impacts is summarised.
From the environmental standpoint, emphasis shall only be made on the impact of economic development patterns and energy policies on GHG emission. Argentina has embarked on an ambitious domestic nuclear research and energy program. The venture promises to provide the nation with the infrastructure to play an important role in the nuclear export market in the years ahead.
Buenos Aires built its program on a foundation of international support and assistance that overlay an emerging sophisticated industrial and scientific establishment. The foreign contribution sensitized Argentina to opportunities in the global market. Producing, respectively, MW e and MW e , they supply roughly 10 percent of the country's electricity.
With a capacity factor of 84 percent, Atucha I is among the best operated plants in the world. During this period, construction also may begin on three MW e plants, although the country's foreign indebtedness plus cost overruns in earlier construction will place a heavy burden on these plans.
This paper reports that like so many other countries, Argentina is in the throes of privatization and restructuring of its economic programs. This has had a direct effect on the LPG industry. Argentina is a country with many natural resources. However, natural gas and crude, while present, are not in abundance. Imports of these and their associated products are needed to satisfy the growing need of the population from time to time. This is especially true with LPGs. Production of the fuel averages about 1 million tons, not enough to satisfy internal needs in the winter but enough to permit some exports in the summer to nearby Brazil.
The Country's Congress approved a plan to sell-off or lease parts of the natural gas distribution network and other businesses of Gas del Estado. Subsequent new legislation has called for ten new natural gas distribution zones. Included in the sell-off is the company's propane distribution division. Stocks in YPF are to be sold to the public. By this reason, native material culture produced in the past for ancient inhabitants, produces in the present symbolical representations that subvert the established order.
But these symbolical representations not always are lacking of ambiguities, they have some cracks that allow knowing local interpretations about the past. These interpretations promote local senses that are in relationship with the territory and with temporal memories related with social and cultural identities that have been change through the time, even cause by violence and traumatic experiences of exclusion and inclusion This paper works about theses process. O caudilho da sociologia mexicana: El arbolado constituye un componente fundamental de los paisajes artifi ciales ya que contribuye al aumento del confort y al mejoramiento de la calidad del medio.
To do so, we analyze its politic behavior and its speech in the context of its relation with the communism, the antifascism, The Civil War in Spain and the Soviet Union. We reflect on its taking of position in favor of the communism, the revolution and its relation with the communist politic culture, considering its contradictions and changes of opinion. Mucormicosis is a frequently fatal, opportunistic fungal infection, that affects immunocompromised patients.
The risk factors include diabetes mellitus, leukemia, lymphoma, burns, etc. We present three cases of cutaneous mucormicosis in children 3, 10 and 11 years old, who had been sent to the hospital due to compound fractures in a car crash; one case of pulmonary mucormicosis in an adult 28 years old with prolonged corticotherapy and rhinocerebral mucormicosis in a patient 38 years old with a diagnosis of acute lymphoid leukemia.
Tectonic and paleoenviromental reconstruction. In this region three major stratigraphic units have been recognized. The San Ignacio Formation Early Permian covers unconformably the Cerro Agua Negra Formation and it is formed by conglomerates, breccias, sandstones, mudstones, stromatolitic limestones, volcanic and pyroclastic rocks. Three facies associations were recognized in the San Ignacio Formation. The lower AFa is composed of breccias, conglomerates and lithic sandstones which were very probably deposited in alluvial and fluvial braided systems that filled the irregular topography carved into the Cerro Agua Negra Formation.
The facies association AFb, formed by conglomerates, sandstones and mudstones, characteristically develops metric-scale finning-upward cycles probably formed in high-sinuosity fluvial systems. Regarding the facies association AFc comprises stromatolitic limestones, mudstones, volcanics and pyroclastic rocks which are interpreted as deposited in shallow water bodies under recurrent volcanic activity.
Moreover the analyzed sequence. This paper reports results from a punctual epidemiological survey performed in San Juan , at Bermejo, a rural village located km east from the provincial capital, in December The village had been rebuilt after almost complete destruction by an earthquake, in Information gathered included, sex, age, working activity, number of people and domestic animals at the house, construction patterns of houses and outdoor premises, resting habits of animals, specially dogs, domestic use of insecticides and migration patterns of inhabitants.
A timed collection of triatomines man-hour method was undertaken in 17 out of 48 of the visited households. Sampled triatomines were kept and classified by collection site, instar, and sex at the field. Species identification, microscopical examination of fecal contents to detect trypanosomes and blood-meals identification, were performed at the laboratory. The remainder were as follows: The aim of this research work is to characterize bentonites, both physically and chemically, as well as mineralogically, from deposits located in the Argentine provinces of San Juan and Rio Negro.
To carry out this work, four samples of bentonite, identified as M1, M3, and M4, from the province of San Juan , and another, identified as M2, from the province of Rio Negro were used. Physical characterization consisted of determining: Chemical characterization of major components was carried out by using wet methods through acid attack, whilst ICP was used to characterize minor components. Mineralogical characterization was carried out by using an infrared spectrometer.
The M3 bentonite, due to its physico-chemical characteristics such as low rheology, swelling, low iron content, amongst others, is the most suitable for the ceramics industry. A geodynamic model within the context of the Andean flat-slab segment and metallogenesis. Igneous rocks in the area have been grouped into the Early Miocene Lower Volcanic Complex -composed of intercalations of lava flows and thin volcaniclastic units that grade upwards to a thick massive tuff- and the Middle-Late Miocene Upper Subvolcanic Suite that consists of a series of porphyritic stocks and dikes and magmatic and hydrothermal breccias.
Their magmas equilibrated with an assemblage consisting of plagioclase- and pyroxene-dominated mineral residues, and experienced fractional crystallization and crustal contamination procesess. Their radiogenic signatures are interpreted to indicate conditions of relatively thickened continental crust in Altar during the Early Miocene, compared to the south and west. A magmatic gap in Altar area betwen the Lower Volcanic Complex and Upper Subvolcanic Suite correlates with documented higher rates of compression in this period, that may have favored the storage of the USS magmas in cameras within the crust.
Magmas of the Upper Subvolcanic Suite require a hornblende-bearing residual mineral assemblage that is interpreted to reflect their higher water contents. The relatively uniform radiogenic isotope compositions of the Upper Subvolcanic Suite magmas suggest a homogeneously mixed crust-mantle contribution in the source region.
They have similar REE signatures as other fertile intrusives of the flat-slab. The differences observed in their. Morphotectonic and neotectonic control on river pattern in the Sierra de la Cantera piedmont, Central Precordillera, province of San Juan , Argentina. The drainage pattern on the western piedmont of the Sierra de La Cantera is divergent, typical of alluvial fans and showing anomalies that are directly related to the trace of La Cantera thrust.
In previous studies, two types of anomalies were identified: In this contribution, these morphotectonic aspects were analyzed in detail, making direct and indirect analysis to quantify the relationship between these anomalies and the faults affecting alluvial fans. In addition, the influence of neotectonic activity on smaller water course patterns in the alluvial fan areas was investigated in order to find indicators of on-going vertical movements, since the spatial arrangements of these piedmont channels are determined by slope and structure, where active faults cause diversions or anomalies.
Topographic profiles in two selected channels cutting across the trace of the fault were performed using a differential GPS in order to establish the relationship between the sinuosity and slope of these rivers.
New PDF release: En tiempos de guerra (Solaris ficción) (Spanish Edition)
The results obtained allow us to state that the most sinuous channels have lower slopes and are located in the hanging wall of the fault. Morphometric analysis of scarps stated that active tectonics have played an essential role in controlling the drainage pattern in the piedmont, leading the rivers to adjust to these slope variations. Essential oil of Azorella cryptantha collected in two different locations from San Juan Province, Argentina: The compounds identified amounted to The EO composition for the two populations was similar, although with differences in the identity and content of the main compounds and also in the identity of minor components.
The dermatophytes Microsporum gypseum, Trichophyton rubrum, and T. This is the first report on the composition of A. Re-Creating Pablo Picasso's "Guernica". Recently, the teachers at the author's school completed a group project with their eighth-graders in which they recreated a mural version of the famous painting by Pablo Picasso, "Guernica. Paleogene and Neogene magmatism in the Valle del Cura region: New perspective on the evolution of the Pampean flat slab, San Juan province, Argentina. The Valle del Cura region is characterized by a thick volcanic and volcaniclastic sequence that records the Tertiary arc and backarc magmatic evolution of the Argentine Main Cordillera over the modern Pampean flatslab at During the Eocene, a retroarc basin developed, represented by the Valle del Cura Formation synorogenic volcanosedimentary sequence, which includes rhyolites and dacitic tuffs.
These silicic volcanic rocks have weak arc chemical signatures and high lithophile element concentrations and are isotopically enriched relative to the late Oligocene-early Miocene volcanic rocks that followed them. Their chemical characteristics fit with eruption through a thin crust.
Subsequent shallowing of the downgoing Nazca plate caused the volcanic front to migrate eastward. Two stages are recognized: Isotopic ratios in the younger group are consistent with an increase in original crustal components and crust introduced into the mantle source by forearc subduction erosion. A peak in forearc subduction erosion near Ma is consistent with when the main part of the Juan Fernandez Ridge began to subduct beneath the region. In addition to late Miocene Tambo Formation dacitic.
The geometry and related geomorphological features of the right-lateral strike-slip El Tigre Fault, one of the main morphostructural discontinuities in the Central-Western Precordillera of Argentina , were investigated. Achievements of this survey include: In the Central Segment of the El Tigre Fault, 2D electrical resistivity tomography surveys were carried out across the fault zone.
The resistivity imaging permitted to infer the orientation of the main fault surface, the presence of blind fault branches along the fault zone, tectonic tilting of the Quaternary sedimentary cover, subsurface structure of pressure ridges and depth to the water table. Based on this information, it is possible to characterize the El Tigre Fault also as an important hydro-geological barrier. Our survey shows that the main fault surface changes along different segments from a high-angle to a subvertical setting whilst the vertical-slip component is either reverse or normal, depending on the local transpressive or transtensive regime induced by major bends along the trace.
These local variations are expressed as sections of a few kilometres in length with relatively homogeneous behaviour and frequently separated by oblique or transversal structures. Mendoza y San Juan , Tectonic-sedimentary evolution of foreland basins: U-Pb dating of the discharge that would have originated the piggy-back basin of Rodeo-Iglesias, San Juan-Argentina ; Evolucao tectono-sedimentar de bacias de antepais: The Bermejo basin and Rodeo-Iglesias piggy-back basin would be associated with the progressive development of landslides, backscatter and minor faults, and basin fragmentation.
Two samples of volcanic rocks, R-1 rhyolitic dome and R-3 fall deposit of the Rodeo-Iglesias basin, had ages of 8. At the same time, the age of the R-1 made it possible to infer quantitatively the age of the first cavalcade that occurred approximately 8. From the data obtained in the Rodeo-Iglesias basin both volcanism and the first cavalcade could have been synchronous. Across the 's, 50's, and 60's, a wide range of popular crime fiction was translated, written, theorized, printed and reprinted in Argentina , and these popular genres grew steadily in readership, visibility, and cultural legitimacy Dimensions on the originals of Pablo Neruda.
Pablo obtained his Bachelor of Science in Physics at the Universidade de Santiago de Compostela USC in , specialising in electronics before going on to work in industry. He then continued his studies with a PhD, becoming the principal author for the experiment control system of the Silicon Tracker. Actress Cote de Pablo talks about her own cervical cancer scare and shares advice for other women. A high-resolution and high-precision detailed gravimetric geoid has been computed for San Juan province in Argentina , ranging from 27 degrees S to 34 degrees S in latitude and 72 degrees W to 65 degrees W in longitude.
The gravimetric geoid was calculated using the RTM method, a multiband spheric Dealing with the Holdouts. Para ello, se desarrolla un trabajo de campo mediante encuestas. Attention is focused on two main typologies: Seventy-two gravity cores were collected by the U. The gravity cores collected within San Pablo Bay contain bioturbated laminated silts and sandy clays, whole and broken bivalve shells mostly mussels , fossil tube structures, and fine-grained plant or wood fragments.
Gravity cores from the channel wall of Carquinez Strait east of San Pablo Bay consist of sand and clay layers, whole and broken bivalve shells less than in San Pablo Bay , trace fossil tubes, and minute fragments of plant material. The Andean Swallow Orochelidon andecola in Argentina. During ornithological studies in the provinces of Jujuy, Salta, and San Juan , we recorded the Andean Swallow Orochelidon andecola at 40 localities. These are the first records in Argentina , and also represent the southernmost for the species. Some of these localities are up to m lower than the previously known elevational limit now masl , and up to km southwards.
This is a relatively poorly known swallow, and we present novel natural history data.