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扬子地台东南缘震旦纪—早寒武世沉积环境及有关矿产 被引量:15

DISCUSSION ON SINIAN - EARLY CAMBRIAN SEDIMENTARY ENVIRONMENT AND MINERAL RESOURCES IN SOUTHEASTERN MARGIN OF THE YANGTZE PLATFORM
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摘要 通过对区域内沉积环境和沉积特征的深入研究,探讨了该区沉积盆地的性质及其演化特点,并对该时期赋存于黑色岩系的镍钼矿床、重晶石矿床以及磷矿床的基本地质特征和矿床成因进行了分析,认为赋存于该区震旦系一下寒武统的层控矿床的主要成矿物质均和弧后盆地形成过程中海底火山作用有关,属于海底热水沉积矿床。 Located between the Yangtze Platform and the south China sea, the southeastern margin area of the Yangtze Platform is the key part of analyzing sedimentary environments and their evolution trend of south China. With systematical study on sedimentary facies, the authors have discussed in this paper the properties of sedimentary basins and their evolution, the ore-control conditions and origin of the stratabound ore deposits(such as nickel-molybdenum, barite phosphorite deposit) concentrated in the Sinian - early Cambrian black rock series, and conclude that the mineralization was related to synsedimentary sea-floor volcanic eruption.
出处 《华南地质与矿产》 CAS 1998年第2期24-31,共8页 Geology and Mineral Resources of South China
基金 中德合作项目"扬子地台震旦纪-早寒武世黑色岩系环境地层学及沉积史"
关键词 沉积环境 海底火山作用 扬子地台 震旦纪 矿化作用 沉积矿床 sedimentary environment mineralization sea-floor volcanic eruption southeastern margin of the Yangtze Platform
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