Geological Characteristics and Genesis of Cementmarble Deposit in Dangjinshan No.2 Block,Gansu Province
Marble mine in Dangjinshan No.2 block,Gansu province,occurs in the second lithologic member(Oyc2)of Ordovician Yanchiwan Formation(Oyc).The ore body is stratified and the ore grade is stable,belonging to grade Ⅰ.This paper summarizes the geological characteristics of marble mine in Dangjinshan No.2 block,including occurrence position,ore body shape and size,ore material composition,texture andstructure,and natural type.Through comprehensive analysis of the geological characteristics of the area,it is determined that the marble deposit belongs to the shore-shallow shelf sedimentary metamorphic deposit,the marble is formed by regional magmatic thermal metamorphism,and the marble exposed on the surface is the prospecting indicator.
cementmarblegeological characteristicsgenesis of mineral depositDangjinshan
万方数据
维普
