论文部分内容阅读
对北乌拉尔山东坡泥盆纪石灰岩中不溶残余的大量岩矿鉴定,旨在查清泥盆纪时期大陆的成分特点,结果表明,在27个样品中有1—7粒自然金。已研究过的碳酸盐剖面,是从下泥盆统洛
The identification of a large number of insoluble remnant rocks in the Devonian limestone on the eastern slope of the Northern Urals aims to ascertain the compositional characteristics of the Devonian continent. The results show that there are 1-7 grains of natural gold in 27 samples. The carbonate profiles that have been studied are from Lower Devonian