GEOLOGY OF THE ALMADEN MERCURY DEPOSIT, PROVINCE OF CIUDAD-REAL, SPAIN

被引：52

作者：

SAUPE, F

机构：

来源：

ECONOMIC GEOLOGY AND THE BULLETIN OF THE SOCIETY OF ECONOMIC GEOLOGISTS | 1990年 / 85卷 / 03期

关键词：

D O I：

10.2113/gsecongeo.85.3.482

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

Almaden is the largest known mercury deposit in the world. It is formed by three lenticular strata-bound cinnabar impregnations in the two quartzite members of the Criadero quartzite formation of Lower Silurian age. The most probable source of mercury is the Ordovician black shales rather than a positive mercury anomaly in the mantle. Data suggest that mercury may have been transported as a sulfide complex and/or as Hg 0 (aq). The deposit and its host rocks were folded vertically and faulted during the Hercynian orogenesis. The regional metamorphism is of very low grade (210°-270°C, 1 kbar). A sequence of events which best accounts for the various field and laboratory observations is presented. -from Author

引用

页码：482 / 510

页数：29

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