Two kinds of Carlin-type gold deposite in southwestern Guizhou, China |
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Authors: | Hanping Zhuang Jialan Lu Jiamo Fu Dehan Liu |
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Institution: | (1) Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, 510640 Guangzhou, China |
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Abstract: | Based on the organic geochemical studies on two typical Carlin-type deposits in southwestern Guizhou, as well as the comparison
between the two deposits in terms of geological background, igneous rock, paleo-oilfield, lithofacies and paleogeographical
and geochemical features, two kinds of Carlin-type deposit were proposed: Lannigou Type and Getang Type. The former includes
Lannigou, Banqi and Yata gold deposits. These deposits are hosted by turbidite, geographically situated in the southwest of
the mineralized district, and related genetically to paleo-oilfields. The latter includes Getang, Zimudang and Dachang gold
(mercury and thallium) deposits, situated geographically in the northwest of the mineralized district where Emeishan basalt
commonly occurs. These deposits are associated with reduction of coaly organic matter. |
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Keywords: | genetic type Carlin-type gold deposit southwestern Guizhou |
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