Bio-organic Geochemical Characteristics of Gold Deposits in Northwestern Guangxi and Their Metallogenetic Significance

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摘要 ThegolddepositsofTriassicperiodinthenorthwesternGuangxiarealllocatedinthemarine,fine-grained,fragmentalrockseriescontainingorganicmatter,i.e.thedistributiondistrictsofblackrockseries.Thefine-grainedgolddepositsoccurinorganicmatter-bearingC,D,E,orD,EdivisionsoftheclassicalBoumasequences.Theevolutiondegreeoforganicmattersthroughoilwindowstagereachedtheover-maturedegree.Boththebio-sourcesoftheorganicmattersandthedistributionofgoldintheorganicmattersdisclosethecloseassociationbetweengold,livingbeingsandorganicmatters.Thethermalevolutionoforganicmattersledtothegoldtobeactivized,migratedandenriched,andfinallyformedgolddepositsinthefaultbeltandcrushedzoneofblackrockseries.
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机构地区 不详
出版日期 1995年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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