新疆莫托萨拉铁锰矿硅质岩特征及其成因探讨

Guo-long YAO,Zhi-an QIN,Kai-jun ZHU, Gui-qiao ZUI

wf(2000)

Cited 1|Views4
No score
Abstract
莫托萨拉铁锰矿硅质岩呈层状产于铁矿中,含热水沉积矿物.岩石的Fe2O3,Au,Ag,Cu,Pb,Zn,As,Sb,Hg质量分数高,Cr,Ni,Co,FeO,Al2O3质量分数低,w(Al)/w(Al+Mn+Fe)比值低,这些元素组合指示出其热水沉积成因.在判别硅质岩形成作用的主元素和微量元素关系图上,硅质岩主要位于热水沉积作用的范围内或接近于热水沉积作用.岩石的稀土元素和O,Si同位素组成表明硅质岩是由热水沉积作用形成的.
More
AI Read Science
Must-Reading Tree
Example
Generate MRT to find the research sequence of this paper
Chat Paper
Summary is being generated by the instructions you defined