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东亚壳体南部地洼区地壳演化特征与锰矿形成的关系

Features of Crustal Evolution in Diwa District on the South of the East Asian Crustal Body and the Relationship With Mn Ore Forming
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摘要 根据我国大陆时空演化及结构分区特点,本文分析了东亚壳体南部地洼区成锰的控制因素;结合两类锰质来源,划分出区内成锰条件各异的三类成矿域;讨论了优质富锰矿在各成矿域的形成方式、特点和找矿方向。 Based upon the features of the time-space evolution of China continent and its structure division,in this paper an analysis ismade on controlling factors for the formation of Mn-ores in the diwa district in the south of East Asian crustal body.In combina-tion with two different source beds of Mn ores,three metallogenetic provinces with diefferent Mn-ore forming conditions are class-fied.Furthermore,the formation patterns of super quality—high grade Mn-ores in different provinces,their characteristics and ex-ploration guides are also discussed.
出处 《地质与勘探》 CAS CSCD 北大核心 1993年第1期7-11,共5页 Geology and Exploration
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