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有色金属(矿山部分):2020,72(3):50-56
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再论贵州省大地构造特征(三)
杨顺文,黄波,杨涛
(贵州省有色金属和核工业地质勘查局物化探总队)
Further discussion on the tectonic characteristics of Guizhou Province(Third)
YANG Shunwen,HUANG Bo,YANG Tao
(Geophysical Nonferrous Metals and Geochemical Survey, Non-ferrous Metals and Nuclear Industry Geological Exploration Bureau of Guizhou)
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投稿时间:2019-12-24    修订日期:2020-01-12
中文摘要: 贵州地区新元古代-早古生代的武陵、雪峰及加里东运动的裂陷离散、汇聚及碰撞造山的洋陆转换,呈现台地-斜坡-盆地沉积格局,岩浆活动较弱。通过研究认为:南华系-早古生代中期随着扬子陆块与华南古陆的汇聚,使黔北-黔东-黔南沉积建造在次级拉张裂陷构造形成了重要“内生外成”的成矿系统,造就了以锰、磷、重晶石、铅锌、汞、镍钼钒等为主的喷流沉积型大型-超大型矿床系列;早古生代末-晚古生代早期陆内造山作用形成大陆裂谷盆地,广泛的红土风化壳集中在黔中、黔东和黔北的泻湖海湾的弱酸-还原性沉积环境中,“移硅沉铁富铝”形成了大规模铝土矿。因此提出,新元古代-晚古生代中期是贵州省重要的外生成矿期,由此加强勘查工作和研究,以期达到新一轮找矿突破。
Abstract:The?Neoproterozoic?Early?Paleozoic?in?Guizhou?Province?experienced?Wuling?movement,?Xuefeng?movement?and?Caledonian?movement,?ocean?land?transition?of?rifting?dispersion,?convergence?and?collisional?orogenyplatform?slope?basin?sedimentary?pattern.?During?this?period,?magmatism?was?weak.?Through?comprehensive?research,?it?is?believed?that:?With?the?convergence?of?the?Yangtze?block?and?the?South?China?ancient?land?in?the?middle?of?the?Central?South?China?early?Paleozoic?era,?making?the?sedimentary?formation?of?North,?East?and?south?of?Guizhou,?in?the?secondary?tension?rift?structure,?an?important?"theory?of?the?upper?mantle?origin?and?exogenous?mineralization?"?metallogenic?system?has?been?formed,?A?series?of?large-scale?and?superlarge?deposits?are?formed,?which?are?mainly?composed?of?manganese,?phosphorus,?mercury,?lead?zinc,?barite,?nickel,?vanadium?and?molybdenum.?The?continental?rift?basin?was?formed?by?intracontinental?orogeny?from?the?end?of?Early?Paleozoic?to?the?early?stage?of?Late?Paleozoic,?with?extensive?lateritic?weathering?crust?concentrated.?In?the?weak?acid?reducing?sedimentary?environment?of?lagoon?Bay?in?central,?Eastern?and?Northern?Guizhou,?large-scale?bauxite?was?formed?by?“Si?migration,?Fe?moves?down?and?Al?enrichment”.Therefore?put?forward:?Neoproterozoic?late?Paleozoic?is?an?important?exogenetic?period?in?Guizhou?Province,?so?as?to?strengthen?the?exploration?work?and?research,?to?achieve?a?new?round?of?prospecting?breakthrough.
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基金项目:贵州省科技计划项目(黔科合[2016]支撑2809)和中国地质调查局全国海陆成矿图件编制更新(DD20160344)共同资助
引用文本:
杨顺文,黄波,杨涛.再论贵州省大地构造特征(三)[J].有色金属(矿山部分),2020,72(3):50-56.
YANG Shunwen,HUANG Bo,YANG Tao.Further discussion on the tectonic characteristics of Guizhou Province(Third)[J].NONFERROUS METALS(Mining Section),2020,72(3):50-56.

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