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秦岭是我国著名大陆碰撞造山带 .其主造山期结束时间还存在争议 .报道了秦岭新发现的沙河湾奥长环斑花岗岩的40 Ar 3 9Ar,Rb Sr和锆石U Pb年龄 ,讨论了秦岭造山带主造山期结束时间 .
The Qinling Mountains are the famous continent collision orogenic belts in China, and there are still controversies about the end of the main orogenic period.40 Ar 3 9Ar, Rb Sr and zircon U Pb ages of the newly discovered Shahewan dolostone in the Qinling Mountains were reported. The main orogeny orogeny end time.