The genesis of the Variscan ultramafic-hosted magmatic Cu-Ni deposit of Aguablanca, SW Spain

被引：0
|
作者：
Tornos, F [1 ]
Casquet, C [1 ]
Galindo, C [1 ]
Canales, A [1 ]
Velasco, F [1 ]
机构：
[1] Inst Tecnol Geominero Espana, Madrid, Spain
来源：
MINERAL DEPOSITS: PROCESSES TO PROCESSING, VOLS 1 AND 2 | 1999年
关键词：
D O I：
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中图分类号：
P57 [矿物学];
学科分类号：
070901 ;
摘要：
The Cu-Ni-rich Aguablanca deposit consists of two vertical lenses associated with ultramafic cumulates hosted by diorites in the composite and epizonal Variscan Santa Olalla Plutonic Complex. It is a synorogenic magmatic mineralization in which magmas ascended from a deep chamber forcefully carrying part of a stratiform complex, including the intercumulus sulphides. The isotope geochemistry (S, Pb, Nd, Sr) indicates that. there was significant crustal contamination, which favoured the formation of immiscible magmatic sulphides in the deep chamber.
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页码：795 / 798
页数：4
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