Apatite in the Olympic Dam Fe-Oxide Cu-U-Au-Ag Deposit

被引：0

作者：

Krneta, Sasha ^{[1
]}

Ciobanu, Cristiana L. ^{[2
]}

Cook, Nigel J. ^{[2
]}

Ehrig, Kathy ^{[3
]}

Kamenetsky, Vadim S. ^{[4
]}

机构：

[1] Univ Adelaide, Sch Phys Sci, Adelaide, SA 5005, Australia

[2] Univ Adelaide, Sch Chem Engn, Adelaide, SA 5005, Australia

[3] BHP Billiton Olymp Dam, Adelaide, SA 5000, Australia

[4] Univ Tasmania, Sch Phys Sci, Hobart, Tas 7001, Australia

来源：

MINERAL RESOURCES IN A SUSTAINABLE WORLD, VOLS 1-5 | 2015年

关键词：

Olympic Dam; apatite; mineral chemistry; SOUTH-AUSTRALIA; YORKE PENINSULA; MONAZITE; MINERALS; DISSOLUTION; SYSTEMS; REE;

D O I：

暂无

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Apatite from igneous rocks hosting the World class Olympic Dam iron-oxide-copper-gold deposit, South Australia is characterized with respect to morphology, chemistry, mineral assemblage and grain-scale compositional zoning. In granites, apatite displays a characteristic core-to rim zonation due to REE content. Fields of dusty monazite as 'emulsion'-like cores or symplectite intergrowths with host apatite are recognized. Compositional data, and their correlation with textures, show a complexity but nevertheless, potential for characterizing the igneous-to-hydrothermal evolution at Olympic Dam. Knowledge of the evolution and geochemistry of apatite at Olympic Dam may offer insights into deposit formation and, potentially, be a tool to discriminate Cu-Au mineralized and barren Fe-oxide dominated hydrothermal systems.

引用

页码：1103 / 1106

页数：4

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