摘要
一九九四年,我所在易门狮子山因民组中下部发现的(似)层状含铁铜矿产于热水沉积岩中,其底板为细碧岩及火山质沉积角砾岩。通过成矿古环境分析及岩石、矿床学研究确认为中元古代裂谷早期火山—喷流沉积成因,属东川稀矿山式铁铜矿类型,类似于奥林匹克坝型,从而为滇中地区找矿拓宽了思路。
In 1994, we dixcovered the(quasi-) bedded Fe-bearing Cu deposit in the middle-lower part of Yinming Formation on Shin Mt,Yimen.It exists in the hydrothermal sedimentary rock whose bottom consists of spilite and volcanic deposition breccia.According to the palaeo-environment analysis of metallogenesis and the study of rock and edposit,it is confirmed that this deposit is formed by the volcanic effusion deposition in a rift of the early stage of Middle Proterozoic rift and belongs to the type of Xikuang Mt style Fe-Cu deposit,Dongchuan, similar to the Olympic Dam type,which broadens the ore-finding idea in the Central Yunnan.
出处
《云南地质》
1996年第2期192-204,共13页
Yunnan Geology