The main wall rock alterations of the Kangshan goldfield are silication , sericitization, carbonicacidation and pyritization.康山金矿田围岩蚀变主要为硅化 、 绢云母化、碳酸盐化及黄铁矿化....
Mark can say the driest, most cutting things in the quietest tones.马克能以最安静的声调说最枯燥, 最伤人感情的话.Antarctica is the coldest and driest place on Earth.南极洲是地球上最冷、最干的地方.It was one of the driest and dustiest places in Africa.那是非洲最干...