Further discussion on the tectonic characteristics of Guizhou Province(Third)
Received:December 24, 2019  Revised:January 12, 2020
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KeyWord:Exogenetic?mineralization?period;?Geotectonic;?Neoproterozoic?-?middle?Late?Paleozoic;?Guizhou
        
AuthorInstitution
YANG Shunwen 贵州省有色金属和核工业地质勘查局物化探总队
HUANG Bo
YANG Tao
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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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