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Mostrando ítems 61-70 de 78
Nuevas metodologías en la exploración del agua subterránea en base a la investigación del origen y la movilidad del arsénico en el acuífero pampeano
(2019-05-06)
El objetivo principal de esta tesis consiste en analizar del contenido de arsénico (As) del acuífero Pampeano que subyace el área periurbana de la ciudad de Tres Arroyos con el fin de evaluar herramientas de exploración ...
Geochemical processes controlling silica concentrations in groundwaters of the Salado River drainage basin, Argentina
(Elsevier Science, 2001-11)
Chemical analyses of dissolved silica in the shallow groundwater of the lower part of the Salado River drainage basin indicate that silica values averaged 60 ppm. The groundwaters are oversaturated in relation to quartz, ...
Integrated geochronology of Acheulian sites from the southern Latium (central Italy): Insights on human-environment interaction and the technological innovations during the MIS 11-MIS 10 period
(2018-05-01)
We have explored the multimethod approach combining 40Ar/39Ar on single crystal, ESR on bleached quartz, and ESR/U-series on teeth to improve the age of four neighbours “Acheulian” sites of the Frosinone Province (Latium, ...
Retombées volcaniques dans des tourbières et lacs autour du massif des Nevados Ampato et Sabancaya (Pérou méridional, Andes Centrales)
(Association Francaise pour l'Ëtude du QuaternaireFR, 2008)
(FR) -- Des recherches multidisciplinaires ont été réalisées à partir de coupes et carottes extraites de tourbières et d’un lac, au Pérou méridional, dans la région volcanique du massif des Nevados Ampato, Sabancaya et ...
Eruptive activity at Turrialba volcano (Costa Rica): Inferences from 3He/4He in fumarole gases and chemistry of the products ejected during 2014 and 2015
(AGU Publications, 2016)
A new period of eruptive activity started at Turrialba volcano, Costa Rica, in 2010 after almost 150 years of quiescence. This activity has been characterized by sporadic explosions whose frequency clearly increased since ...
lgnimbritas riolíticas neoproterozoicas en la Sierra Norte de Córdoba: ¿evidencias de un arco magmático temprano en el ciclo Pampeano?Neoproterozoic rhyolite ignimbrites in the Sierra Norte de Córdoba: evidence of an early magmatic arc in the Pampean cycle?
(Asociación Geológica Argentina, 2003-07)
La Sierra Norte forma parte de las Sierras Pampeanas de Córdoba por lo cual las principales intrusiones graníticas y el metamorfismo están relacionadas al ciclo orogénico Pampeano. La mayor diferencia con las Sierras de ...
Geologia, petrologia e geocronologia (Pb-Pb) da formação Serra da Bocaina : terreno Rio Apa – Sul do Cráton Amazônico
(Universidade Federal de Mato GrossoBrasilInstituto de Ciências Exatas e da Terra (ICET)UFMT CUC - CuiabáPrograma de Pós-Graduação em Geociências, 2012-05-31)
This work presents geological, petrological and geochronological (Pb-Pb zircon) results of Serra da
Bocaina, emphasizing the homonymous geological formation that belongs to the Amoguijá Magmatic
Arc of Rio Apa Terrene, ...