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
收藏
页码：1103 / 1106
页数：4
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