The uranium-carbonaceous matter association, McArthur River, Canada

被引:0
|
作者
McCready, AJ [1 ]
Annesley, IR [1 ]
Parnell, J [1 ]
Richardson, L [1 ]
机构
[1] Queens Univ, Sch Geosci, Belfast, Antrim, North Ireland
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 recently developed McArthur River deposit in Saskatchewan, Canada contains accumulations of carbonaceous matter. These accumulations share many of the petrographic features displayed by QPC-hosted radioelement-bearing bitumen nodules from both the Phanerozoic and the Archean. The inclusions within the carbonaceous matter display textures indicative of a hydrothermal or authigenic origin. The primary uraninite has been altered by a P-Ca-REE-bearing fluid(s) to uranyl phosphates, interpreted to be autunite. Chemical dating of the inclusions yields the date of younger alteration/remobilization events, rather than the primary mineralisation events.
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页码:251 / 254
页数:4
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