Epigenetic alteration at the Ernest Henry Fe-oxide-(Cu-Au) deposit, Australia

被引：0
|
作者：
Mark, G [1 ]
Crookes, RA [1 ]
机构：
[1] James Cook Univ N Queensland, Sch Earth Sci, EGRU, Townsville, Qld 4811, Australia
来源：
MINERAL DEPOSITS: PROCESSES TO PROCESSING, VOLS 1 AND 2 | 1999年
关键词：
D O I：
暂无
中图分类号：
P57 [矿物学];
学科分类号：
070901 ;
摘要：
The Proterozoic Ernest Henry Fe-oxide-(Cu-Au) deposit is hosted within potassically affected intercalated metasedimentary and metavolcanic rock (ca 1740? Ma). Economic mineralisation (ca 1476 Ma) overprints multiple stages of alteration, all of which post-dated peak amphibolite facies metamorphism. Preexisting stages of alteration were produced by high temperature (400-550 degrees C) fluids associated with both mineralisation and externally-derived fluids associated with the regional Na-Ca alteration system. The style of mineralisation and alteration at this deposit is unique to the Cloncurry district, and describes a new 'Ernest Henry-style ' of Fe-oxide-(Cu-Au) mineralisation within the Fe-oxide-(Cu-Au) class of deposits.
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收藏
页码：185 / 188
页数：4
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