首页> 外文会议>Joint Sixth Biennial Sga-Seg Meeting, 6th, Aug 26-29, 2001, Krakow/Poland >C, 0 and Sr isotopic halos related to the giant McArthur River stratiform Zn-Pb-Ag deposit, northern Australia
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C, 0 and Sr isotopic halos related to the giant McArthur River stratiform Zn-Pb-Ag deposit, northern Australia

机译:与澳大利亚北部麦克阿瑟河层状锌-铅-银矿床有关的C,0和Sr同位素晕

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摘要

An extensive C, O and Sr isotopic halo occurs within the dolomite component of dolomitic silt-stones that extend to the west and above the McArthur River Zn-Pb-Ag deposit. Dolomite within the halo is enriched in ~(18)O and radiogenic Sr, and depleted in ~(13)C compared with the regional dolomite outside the halo. The halo is interpreted to mark the extent of the brine pool in which the stratiform Zn-Pb deposit formed.
机译:在白云质粉砂岩的白云岩成分中,广泛的C,O和Sr同位素晕影向西延伸,并延伸至麦克阿瑟河Zn-Pb-Ag矿床上方。与晕圈外的区域白云石相比,晕圈内的白云石富含〜(18)O和放射源性Sr,并在〜(13)C中贫化。晕圈被解释为标记在其中形成层状Zn-Pb沉积物的盐水池的范围。

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