贵阳马场地区陡山沱组含磷特征分析  

Analyses on the Phosphor-bearing Character of Doushantuo Formation in Machang Area,Guiyang

作　　者：陈群[1] 杨明坤[1] 田维红[1] 

机构地区：[1]贵州省地矿局115地质大队,贵州清镇551400

出　　处：《贵州地质》2009年第3期206-208,205,共4页Guizhou Geology

摘　　要：震旦系上统陡山沱组为黔中地区的开阳磷矿和瓮福磷矿的含磷层位,贵阳马场地区陡山沱组隐伏于地下,根据钻孔揭露,区内陡山沱组顶部与上伏灯影组接触面为一水蚀间断面,无磷矿分布,为磷矿层缺失区。Doushantuo formation, leg length of Sinian system is the phosphor -beating layer of Kaiyang phosphorite and Weng＇ an -Fuquan phosphorite in central Guizhou, Doushantuo formation in Machang area concealed underground. According to the drill hole exposure, the contact of Doushantuo formation and Shangfu Dengying formation in this area is a water erosion discontinuity and no phosphorite distributed, is the lacuna region of phosphorite layer.

关 键 词：磷 陡山沱组 贵阳马场 

分 类 号：P534.31[天文地球—古生物学与地层学] P619.213[天文地球—地质学]