黔中息烽磷矿床成矿环境、成矿作用及成矿模式探讨*
曹胜桃1, 谢宏1,2, 郑禄林3, 魏怀瑞1,2, 张兰1

Study on metallogenic environment,mineralization and metallogenic model of the Xifeng phosphate deposits in central Guizhou Province,China
CAO Shengtao1, XIE Hong1,2, ZHENG Lulin3, WEI Huairui1,2, ZHANG Lan1
黔中息烽磷矿岩/矿石结构构造 a—紫红色泥质粉砂岩(XW-10);b—砂质白云岩(XW-9);c—粉—砂屑磷质岩(XW-8),胶磷矿以砂屑为主,石英以粉砂为主;d—砂屑磷块岩(XW-7),亮晶胶结;e—砂屑磷块岩(XW-6);f、g—角砾状砂屑磷块岩(XW-5);h—砂屑磷块岩(XW-4),碎屑磨圆度好,亮晶胶结;i—砂屑磷块岩(XW-3),亮晶胶结;j—粉屑硅质磷质岩(XF-B);k—含藻粉屑白云岩(XF-A);l、m—细—中晶硅质白云岩(XW-2),具栉壳状结构、硅质成分主要为玉髓;n、o—微晶白云岩(XW-1),具鸟眼构造,含藻。k为单偏光,其他为正交偏光