 | ZHANG, Yaoyao, CHU, Fengyou, LI, Zhenggang, DONG, Yanhui, LONG, Jiangping, WANG, Hao, ZHU, Jihao, LIU, Jiqiang (2020) Distribution Patterns of Ag in Hydrothermal Precipitates from the Okinawa Trough. Acta Geologica Sinica - English Edition, 94 (1) 126-140 doi:10.1111/1755-6724.14331 | Journal (article/letter/editorial) | | Ag in Hydrothermal Precipitates from Okinawa Trough Distribution Patterns of Ag in Hydrothermal Precipitates...Precipitates from the Okinawa Trough ZHANG Yaoyao1, CHU Fengyou1, 2, *, LI Zhenggang2, DONG Yanhui2, LONG...2 Abstract: The Okinawa Trough is characterized by enrichment of Ag in hydrothermal precipitates; however...constrained. This study presents the results of a field-emission scanning electron microscopy and electron-microprobe...distribution of Ag within Ag-rich sulfide samples from the Okinawa Trough. The tetrahedrite, covellite, and |  | Crespo, Jorge, Reich, Martin, Barra, Fernando, Verdugo, Juan José, Martínez, Claudio, Leisen, Mathieu, Romero, Rurik, Morata, Diego, Marquardt, Carlos (2020) Occurrence and Distribution of Silver in the World-Class Río Blanco Porphyry Cu-Mo Deposit, Central Chile. Economic Geology, 115 (8). 1619-1644 doi:10.5382/econgeo.4778 | Journal (article/letter/editorial) | | Ag concentration are related to the different hydrothermal alteration types. The concentration of Ag is...(avg 0.59 ppm). Drill core samples from major hydrothermal alteration zones were selected for in situ analysis...analysis of Ag and associated elements in sulfide and sulfosalt minerals. To ensure representativeness...paragenesis. Chalcopyrite is the most abundant Cu sulfide in Río Blanco, with Ag concentration that ranges...by cooling, changes in pH, fO2 and fS2 of the hydrothermal fluids, and the intensity of alteration. Overall |
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