【摘要】 我省开展金刚石普查和找矿的重点地区是大理海东-马关八寨新生代基性-超基性火山角烁岩筒分布地区。其次是腾冲新近纪及第四纪火山群分布地区及腾冲-瑞丽沿瑞丽江两岸冲积层、冲积阶地沉积分布区;第三是姚安及镇源新生代火山岩-次火山喷发侵入及煌斑岩分布区。更多还原

【Abstract】 First,the areas of Cenozoic basic-ultrabasic volcanic breccia pipe in Haidong of Dali and Bazhai of Maguan are the focus in diamond deposit prospecting.Second,the Neogene and Quaternary volcanic rock group area of Tengchong and the alluvium,alluvial terrace distribution area of Ruili River in Tengchong-Ruili.Third,the areas of Cenozoic volcanic-subvolcanic rock eruption-intrusion and lamprophyre distribution.更多还原