贵州开阳以东震旦系陡山沱组磷矿富磷机制与“三位一体”预测找矿重大突破*
刘建中1,2, 王泽鹏1,3, 杜远生1,4, 张亚冠4,5, 吴文明1,3, 陈国勇2, 付芝康3, 万大学3, 王大福3, 谭代卫3

Enrichment mechanism of phosphorite deposits and significant breakthrough in “Triunity Model”for ore prospecting in the Sinian Doushantuo Formation of eastern Kaiyang region,Guizhou Province
Liu Jian-Zhong1,2, Wang Ze-Peng1,3, Du Yuan-Sheng1,4, Zhang Ya-Guan4,5, Wu Wen-Ming1,3, Chen Guo-Yong2, Fu Zhi-Kang3, Wan Da-Xue3, Wang Da-Fu3, Tan Dai-Wei3
开阳地区陡山沱组磷块岩结构类型特征 A—泥晶磷块岩,可见内部磷质细纹层,开阳温泉矿区露头剖面,正交偏光;B—叠层石磷块岩,磷质叠层石呈树枝状,开阳新寨勘查区ZK701钻孔;C—叠层石磷块岩,磷质叠层石柱体间可见磷质砂屑颗粒,开阳新寨勘查区ZK701钻孔,正交偏光;D—砾屑磷块岩,开阳永温勘查区ZK1207钻孔,正交偏光;E—砂屑磷块岩,磷质颗粒可见等厚纤维状磷质包壳,粒间由泥晶白云石胶结,开阳永温勘查区ZK1207钻孔,正交偏光;F—粉屑磷块岩,可见内部磷质细纹层与粉屑磷质颗粒,开阳新寨勘查区ZK709钻孔,正交偏光;G、H—渣土状磷块岩,胶结程度极差,开阳永温勘查区ZK313钻孔,手标本样品与薄片单偏光。PG: 磷质砂屑;PGL: 磷质砾屑;PL: 磷质纹层;PC: 磷质胶结物;PF: 磷质碎屑;Dol: 白云石胶结物