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Shu Zhang, Yong Zhang, Gang Huang, Bo Zhang, Yichan Li, Xin Chen, Junkang Xu and Yujie Wei
Granites, widely distributed in the Earth?s crust, undergo pedogenic processes, shaping diverse soil-mantled landscapes influenced by climatic factors in different regions. Investigating the geochemical signatures in granite weathering profiles across va...
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María Josefina Pons,Juan Mendiberri,Martín Arce,Gerson Alan Greco,Telma B. Musso,María Lis Fernández,Natalia Hauser,Pamela Aparicio González
Pág. 93 - 126
The Sofía-Julia-Valencia vein system, located in the Andacollo mining district in central west Argentina, is hosted by ENE-WSW oriented strike-slip faults which are the result of reactivation of normal faults affecting Carboniferous to Jurassic rocks dur...
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Amina Hadadi, Ali Imessaoudene, Jean-Claude Bollinger, Aymen Amine Assadi, Abdeltif Amrane and Lotfi Mouni
Due to their cost-effectiveness, low toxicity, and naturally renewable properties, bio-coagulants for water treatment are gaining popularity. In this context, four bio-coagulants were tested for their ability in turbidity reduction in a synthetic bentoni...
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Faraz Ahmed, Zulfiqar Ali Mirani, Pirbhat Nadir Mirani, Muhammad Janees Imdad, Fouzia Zeeshan Khan, Muhammad Naseem Khan, Abdul Basit Khan, Yufeng Li and Yong Zhao
The present study aimed to unveil the phenotypic heterogeneity and heteroresistance of P. aeruginosa to acidic stress and imipenem. Furthermore, the growth, morphology, and potential for biofilm formation of the subject isolates at different pHs were ass...
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Jorge E. Morales Leal,Andrew Menzies,Hans-G. Wilke,José Zuluaga
Pág. 185 - 207
The El Peñón low-sulfidation epithermal deposit, located in the Paleocene metallogenic belt in the Antofagasta region, northern Chile, consists of Au-Ag bearing veins and hydrothermal breccias hosted in volcanic rocks and surrounded by alteration haloes ...
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Alper Baba and Orhan Gündüz
Water?rock interactions strongly influence water quality. Waters originating from highly altered zones affect human health. Mount Ida region in western Anatolia is an example for such geogenic interactions and additional anthropogenic impacts. A water qu...
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Aly A. Hamouda and Sachin Gupta
Different Low Salinity Waters (LSWs) are investigated in this work to understand the role of some ions, which were recognized from our previous work and the literature for their effect on wettability alteration. Different flooding stages were followed. T...
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Stefan Richter,Jens Götze,Hans Niemeyer,Robert Möckel
Pág. 386 - 396
In the present study a first found of agates in Chile is reported from the Cordón de Lila region in northern Chile. The agates occur as veins and lenses in altered Permian volcanic rocks. The rock composition is rhyodacitic/ dacitic consisting of a fine-...
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Danielle dos Santos Tavares Pereira, Amanda Lys Santos Silva, Ana Maria Queijeiro López
Pág. 33 - 36
The intention of this work was to evaluate the growth of Pseudomonas aeruginosa (C1 LBPVMA-UFAL) on lubricant oil and verify the production of rhamnolipid biosurfactant. Tests in solid medium containing lubricant oil supplemented with different sources o...
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Waldo Vivallo,Sergio Espinoza,Fernando Henriquez
Pág. 75 - 88
ABSTRACT. Metasomatism and hydrothermal alteration in the Cerro Negro Norte iron ore district, Copiapo, Chile. The magnetite-apatite ores in the Cerro Negro Norte iron district, Copiapo, are hosted by hydrothermally altered andesitic volcanic rocks. As a...
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