河南新密密玉地质特征及成矿因素浅探  

Geological Features and Genesis of the Mixian Jade Deposit in Xinmi

作　　者：刘超良[1] 宋利睿[1] 彭智博[1] 

机构地区：[1]河南省地质测绘总院,郑州450006

出　　处：《四川地质学报》2009年第3期281-283,共3页Acta Geologica Sichuan

摘　　要：河南省新密密玉是我国史书记载的名玉之一。通过对该矿术地质背景、矿床特征、矿物组合、化学成份等方面的初步探讨。结果表明密玉产于古元古界庙坡山组中,属于后期热液交代型矿床,为细粒石英岩;并根据物理性质差别对密玉进行了品质分级,确定了密玉玉脉分布特点及找矿标志。The mixian jade is one of the famous jades in history of China.Study of geological setting and geological features of the deposit and mineral assemblage and chemical composition of the ore shows that the jade deposit is a hydrothermal metasomatic one.Mixian jade quality grading is discussed.Prospecting criteria for the mixian jade deposit are put forward.

关 键 词：密玉 矿床特征 成矿因素 河南新密 

分 类 号：P619.28[天文地球—矿床学]