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José Alfredo Flores Ronces, Edith R. Salcedo Sánchez, Manuel Martínez Morales, Juan Manuel Esquivel Martínez, Oscar Talavera Mendoza and María Vicenta Esteller Alberich
The Taxco mining district is a well-known international producer of silver, jewelry, and precious metal handicrafts. Inappropriate disposal wastes from anthropogenic activities have been deteriorating the hydric resources and threatening the inhabitants?...
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Anamaria Iulia Török, Ana Moldovan, Claudiu Tanaselia, Eniko Kovacs, Ionu? Cornel Mirea, Oana Teodora Moldovan and Erika Andrea Levei
Natural and anthropogenic factors highly influence the concentration of major (Na, Mg, K, Ca) and trace (Sr, Ba, Mn, Li) elements, anions (HCO3-, NO3-, SO42-, Cl-), and Sr isotopic signatures. The current study identified the Sr isotopic signature in gro...
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Pavel Mikhailik, Irina Vishnevskaya, Liang Yi, Natalia Soloshenko and Vadim Pellinen
A study of the isotopic compositions of neodymium and strontium in four mineral fractions of the hydrogenous ferromanganese crusts of the northernmost Pacific has been carried out for the first time. The relationship of the 87Sr/86Sr ratio and eNd value ...
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Daniele Luigi Pinti, Marie Haut-Labourdette, André Poirier, Marion Saby, Vincent J. van Hinsberg, Kim Berlo, Maria Clara Castro, Bjarni Gautason and Ásgerður K. Sigurðardóttir
The determination of the current and past recharge sources, as well as the reconstruction of the timing of the recharge in geothermal reservoirs, is required in order to correctly assess the resource potential of these systems. Theistareykir is a newly d...
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Denisse de la Fuente,Óscar Figueroa,Daniel Demaiffe,Mauricio Mella,Paul Duhart,David Quiroz,Jorge Muñoz,Verónica Oliveros
Pág. 24 - 53
Upper Cretaceous intrusives of limited extent crop out in the Coastal Cordillera near of Valdivia (39º48? S), 100 km west of the main topographic divide of the Andean Cordillera. Given that plutonic rocks of the same age crop out at the same latitudes in...
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Alejandro Sánchez Valenzuela,Michel de Saint-Blanquat,Francisco Hervé,Mireille Polvé,Diego Morata,Phillipe de Parseval,Mathieu Benoit
Pág. 359 - 402
In this work, we present the results of a petrographic and geochemical study that involves seven Cenozoic plutons located in a NS trending belt in western Patagonia, south of the present Chile Triple-Junction and to the east of the present magmatic arc. ...
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Henrik Drake, Ellen Kooijman and Melanie Kielman-Schmitt
The strontium isotope signature (87Sr/86Sr) of calcite precipitated in rock fractures and faults is a frequently used tool to trace paleofluid flow. However, bedrock fracture networks, such as in Precambrian cratons, have often undergone multiple fractur...
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Chu Wu, Xiong Wu, Wenping Mu and Ge Zhu
Hongjiannao Lake is the largest desert freshwater lake in the Ordos Plateau, China, and the relict gull is an endangered species that uses the lake for its habitat, with the largest colonies being located there. Using hydrochemical parameters, stable hyd...
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Xue Fang, Zhigang Zeng, Siyi Hu, Xiaohui Li, Zuxing Chen, Shuai Chen and Bowen Zhu
Frequent volcanic activity has occurred in the Okinawa Trough (OT) during the late Quaternary, which attracted much attention to the origin of volcanic rocks. Pumice collected from the seafloor has been extensively investigated, whereas few studies paid ...
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Mustafa A. Eissa
The Dahab watershed comprises three aquifers; the alluvial Quaternary, the Early Cambrian sandstone, and the fractured Pre-Cambrian basement aquifers. The Dahab watershed is located in the southeastern part of the arid Sinai Peninsula, where low precipit...
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