Litho-structural controls on orogenic gold deposits within the Sandstone greenstone belt, Yilgarn Craton, Western Australia: implications for exploration targeting

IF 0.9 Q4 GEOSCIENCES, MULTIDISCIPLINARY

Applied Earth Science-Transactions of the Institutions of Mining and Metallurgy Pub Date : 2019-10-02 DOI:10.1080/25726838.2019.1674540

Rhys S. Davies, D. Groves, J. Standing, A. Trench, M. Dentith, J. Sykes

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引用次数: 5

Abstract

ABSTRACT The 920 km2 Archean Sandstone greenstone belt lies in the central-northern part of the Southern Cross Domain of the Youanmi Terrane, Western Australia. The belt, forming an arrow-head geometry, is bounded by the Youanmi and Edale shear zones on its eastern and western margins, respectively. The belt has a total gold endowment, including historic production, resources and reserves, of approximately 62 t (2.0 Moz). Most known deposits are situated within a central-southern ultramafic domain, although this is likely a function of exploration focus. The distribution of historical exploration efforts and domaining of deposit types, based on litho-structural controls on ore formation, highlight the potential for significant undiscovered deposits, hosted within arrays of shear zones parallel and adjacent to the lithosphere-scale Youanmi and Edale shear zones.

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澳大利亚Yilgarn克拉通砂岩绿岩带造山带金矿的岩石构造控制:找矿方向的意义

摘要:太古代砂岩绿岩带位于西澳大利亚尤安米地体南十字域中北部，面积920 km2。东缘为酉米剪切带，西缘为埃代尔剪切带，呈箭头状。该带的总黄金禀赋，包括历史产量、资源和储量，约为62吨(200万盎司)。大多数已知矿床位于中南部超镁铁质域，尽管这可能是勘探重点的作用。根据岩石构造对矿床形成的控制，历史勘探工作的分布和矿床类型的域，突出了在岩石圈规模的Youanmi和Edale剪切带平行和邻近的剪切带阵列中存在重大未发现矿床的潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Applied Earth Science-Transactions of the Institutions of Mining and Metallurgy GEOSCIENCES, MULTIDISCIPLINARY-

CiteScore

1.70

自引率

10.00%

发文量