摘要
云南西畴县菜园子铅锌铜矿,矿体呈层状、似层状赋存于下泥盆统坡脚组(D_(1)p)之矽卡岩层中,矿体产状与岩层产状基本一致,成矿结构面为硅钙面;通过对矿体系统的稀土元素地球化学研究,结合区域地质和矿床地质特征,该矿床至少存在2次成矿作用,早期为喷流沉积成矿,晚期叠加了燕山期隐伏花岗岩提供岩浆热液成矿,该矿床的形成为多源多期成矿。
The orebody of Caiyuanzi Pb-Zn-Cu deposit in Xichou,Yunnan is bedded,stratoid in LowerD Pojiao Formation(D_(1)p)skarn bed,orebody occurrence consists basically to that of rock bed..The metalogene-sis structure surface is Si-Ca surface.According to the REE geochemical Study oforebody system and in combination with regional geolocal and ore deposit feature,we think there are 2 times of metallogeneises at least.The earlier is the effusive sedimentary metallogenesis.The later is superimposition of magmatic hydrothermal metallo-genesis of Yanshanian buried granite.It is metallogenetic f multiple origin and phase.
作者
蔡金君
王吉东
李凌霄
杨卓
CAI Jin-jun;WANG Ji-dong;LI Ling-xiao;YANG Zhuo(Team 317,Yunnan Bureau qf Nonferrous Geology,Qujing 655000;Chuxiong Exploration Institute,Yunnan Bureau qf Nonferrous Geology,Chuxiong 675000)
出处
《云南地质》
2021年第2期193-198,共6页
Yunnan Geology
基金
云南省马关县都龙矿区外围锌锡铜多金属矿整装勘查区矿产调查与找矿预测(子项目编码:121201004000150017-86)。
关键词
喷流沉积
岩浆热液
叠加成矿
云南西畴菜园子
Effusive Sedimentation
Magma Hydrothermal
Superimposition Metallogenesis
Caiyuanzi,Xichou,Yunnan
