Geological and geochemical characteristics of the cherts in the Mojiang gold deposit and their implications

Geological and geochemical characteristics of cherts of the low-middle parts of the Jinchang Formation indicate that cherts are associated with hydrothermal sedimentation, but the middle-upper parts of the Jinchang Formation are mixed with normal sediments. The cherts are characterized by high Fe, A...

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Bibliographic Details
Published in:Acta geochimica 2001-09, Vol.20 (3), p.249-257
Main Authors: Xie, Guiqing, Hu, Ruizhong, Fang, weixuan, Qi, Liang
Format: Article
Language:English
Subjects:
Geochemistry
Gold
Sedimentary geology
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Summary:Geological and geochemical characteristics of cherts of the low-middle parts of the Jinchang Formation indicate that cherts are associated with hydrothermal sedimentation, but the middle-upper parts of the Jinchang Formation are mixed with normal sediments. The cherts are characterized by high Fe, As, Sb, Bi and Ga, low Al and total REE, negative Ce anomaly and HREE enrichment. Their δ18O values show that the forming temperatures of the cherts range from 128°C to 146°C. [PUBLICATION ABSTRACT]
ISSN:1000-9426
2096-0956
1993-0364
2365-7499
DOI:10.1007/BF03166146