云南澄江县七江矿区磷矿体成矿地质特征  

THE GEOLOGICAL FEATURE OF QIJIANG P METALLOGENESIS IN CHENGJIANG,YUNNAN

作　　者：丁兴波 熊磊 段伟 DING Xing-bo;XIONG Lei;DUAN Wei(Team 306,Yunnan Bureau of Nonferrous Geology,Kunming 650217)

机构地区：[1]云南省有色地质局三O六队,云南昆明650217

出　　处：《云南地质》2020年第2期273-276,共4页Yunnan Geology

摘　　要：云南澄江县七江矿区磷矿赋矿层位为寒武系下统渔户村组(∈1y),矿体呈层状赋存于渔户村组砂质白云岩及细粒砂岩中,矿石以内碎屑结构、生物碎屑结构为主,呈条带、条带状构造。综合特征反映出该磷矿属浅海相沉积型磷矿床。The P ore horizon of Qijiang orefield in Chengjiang,Yunnan is Lower Cambrian Yuhucun Formation(∈1y),the bedded orebody is in Yuhucun Formation sandy dolomitite and fine grained sandstone.The ore texture is mainly intraclast and bioclastic,with banded structure.According to the comprehensive feature,it belongs to the neritic facies sedimentary P deposit.

关 键 词：沉积型磷矿床 地层控矿 云南澄江七江 

分 类 号：P619.213[天文地球—矿床学]