A5069933526- Geological and Geochemical Analysis
- Geochemistry and Geologic Mapping
- Geology and Paleoclimatology Research
- Geological and Geophysical Studies Worldwide
- Environmental and Cultural Studies in Latin America and Beyond
- Geological and Tectonic Studies in Latin America
- Groundwater and Isotope Geochemistry
- Isotope Analysis in Ecology
- Soil and Unsaturated Flow
- earthquake and tectonic studies
- Geochemistry and Elemental Analysis
- Agriculture Sustainability and Environmental Impact
- Methane Hydrates and Related Phenomena
- Academic Research in Diverse Fields
- Analytical chemistry methods development
- Seed and Plant Biochemistry
- Microbial Metabolites in Food Biotechnology
- Archaeological and Historical Studies
- Water Quality Monitoring and Analysis
- Archaeological and Geological Studies
- Cultural Heritage Materials Analysis
- Mineralogy and Gemology Studies
- Water Treatment and Disinfection
- X-ray Diffraction in Crystallography
- Amazonian Archaeology and Ethnohistory
Geociencias Barcelona
2011-2023
La erupción del Complejo Volcánico Cerro Blanco en el sur de la Puna, noroeste Argentina (4410–4150 a BP) se investigó para obtener nueva información sobre estratigrafía, geomorfología, volcanología física, dataciones por radiocarbono, petrografía y geoquímica. caracterización los productos relación evolución caldera permitió estimar distribución depósitos ceniza fase paroxísmica Plineana erupción. Estos novedosos resultados evidencian una gran explosiva riolítica que generó cineríticos un...
ABSTRACT Shells of Nacella magellanica are abundant in archaeological shell middens distributed along the Beagle Channel. In this study we analyzed oxygen isotopic composition shells species to obtain information on its seasonal exploitation patterns by hunter-gatherer-fisher groups region during nineteenth century. Oxygen data from recovered Lanashuaia and some occupations Túnel VII (both contact sites) indicate that N. was gathered different seasons. Our agree with fauna-derived...
Quinoa may be a promising alternative solution for arid regions, and it is necessary to test yield mineral accumulation in grains under different soil types. Field experiments with Chenopodium quinoa (cv. CICA-17) were performed Egypt non-saline (electrical conductivity, 1.9 dS m−1) saline (20 soils. Thirty-four chemical elements studied these crops. Results show yields accumulations the grains. Potassium (K), P, Mg, Ca, Na, Mn, Fe are main occurring grains, but their concentrations change...
In this study, the effects of goat manure fertilization (2, 4, 8, and 12 Tn/ha) on grain yield, organic compounds, mineral composition two quinoa varieties (CICA-17 Regalona Baer) were evaluated under field conditions in Northwest Argentina. The results indicate that improved yield total protein content. Low doses positively affected fatty acid (FA) profile, significant changes determined for monounsaturated (MUFA) polyunsaturated (PUFA) contents CICA-17 saturated (SFA) R. Baer seeds. amino...
Shoshonitic volcanic centres are scarce within the back-arc mafic volcanism of Puna Plateau in Central Volcanic Zone Andes. San Jerónimo and Negro de Chorrillos volcanoes two well preserved shoshonitic monogenetic edifices that developed mainly Strombolian activity lava flows, which extended more than 9 4 km from vent, producing a volume DRE (Dense Rock Equivalent) 0.091 0.020 km3, respectively. The new unspiked K–Ar (groundmass) ages (144 ± 3 ka) (51 2 eruptions presented this work both...
The Raigón aquifer is an important groundwater system in southern Uruguay. increasing use of resources the last decades has provoked changes concentration many elements which are strongly related to anthropogenic pollution sources. Concentration levels useful detect reservoir status but it also necessary analyze their chemical significance order make accurate assessment sources contamination and causes changes. In this work we available thermodynamic data calculate speciation on these...
The characterization of the mineralogy and chemical composition multi-phase mixtures is chief importance in many different contexts, from industry to basic research. In case industrial processes, it often necessary perform fast reliable quantitative phase analyses (QPAs) large amounts samples that contain amorphous phases. Rietveld refinement powder x-ray diffraction (XRD) data widely employed for this purpose. quantification content with method usually performed by spiking an internal...