Ore mineralogy of the chisel lake Zn-Cu-Ag (Þau) VMS deposit in the Flin Flon – Snow Lake domain, Manitoba, Canada

被引：0
作者：
Alexandre P. [1 ]
Heine T. [2 ]
Fayek M. [3 ]
Potter E. [4 ]
Sharpe R. [3 ]
机构：
[1] Department of Geology, Brandon University, 270 18th Street, Brandon, R7A 6A9, MB
[2] 304 Centennial Crescent, Flin Flon, R8A 1T1, MB
[3] Department of Geological Sciences, University of Manitoba, 240 Wallace Road, Winnipeg, R3T 2N2, MB
[4] Geological Survey of Canada, 601 Booth Street, Ottawa, K1A 0E8, ON
来源：
Canadian Mineralogist | 2019年 / 57卷
关键词：
Acanthite; Chisel Lake; Flin Flon; Freibergite–argentotennantite series; Manitoba; Mineral chemistry; Sulfide mineralogy; Sulfur isotopes; VMS deposits;
D O I：
10.3749/CANMIN.1900034
中图分类号：
学科分类号：
摘要：
The Chisel Lake deposit, in the Flin Flon – Snow Lake Mineral Belt in northern Manitoba, is characterized by an ore mineral assemblage dominated by pyrite and sphalerite, with minor chalcopyrite, galena, and pyrrhotite and trace amounts of other Cu-, Fe-, Sb-, Sn-, As-, Ni-, and Ag-bearing sulfides. Silver is hosted in a variety of Ag-bearing sulfides (chalcopyrite and freibergite–argentotennantite series) and its own sulfide (acanthite). The major elements chemical compositions of the ore sulfides define two populations of sphalerite (Fe-rich and Fe-poor), three populations of chalcopyrite (pure, Ag-rich, and Ag- and Sb-rich), and a typical galena, in addition to pyrite and pyrrhotite. Trace elements are dominated by Mn and Cd for sphalerite; Sn, Zn, and Ge for chalcopyrite; Se and Ni for pyrrhotite; and As and Co for pyrite. Formation temperature was best estimated, from the Fe and trace elements (Ga, Ge, Mn, and In) concentrations in sphalerite, at approximately 340 8C, with other methods giving less reliable temperature and pressure estimates. © 2019 Mineralogical Association of Canada. All rights reserved.
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页码：925 / 945
页数：20
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