摘要
对西秦岭地区4种主要成因类型铜矿的区域地球化学研究证明,在72个铜矿床或矿(化)点上很少显示铜或其它元素的浓集区。通过对甘肃南部碧口群分布地区主要铜矿产出的地球化学环境的分析认为,西秦岭地区各类型铜矿指示元素反映的是相应铜矿类型的区域地质建造,最佳指示元素则反映的是含矿地质建造。碧口群分布区的已知具规模的铜矿床及新探明的伐子坝中型铜矿均位于本区火山喷发沉积型铜矿的最佳指示元素所指示的有利部位。
A study of regional geochemical characteristics of four main genetic types of copper deposits in West Qinling Mountain area shows that there exist very few concentration areas of copper or other elements in 72 copper deposits or occurrences. Based on an analysis of the geochemical environment for the formation of major copper deposits within the distributive area of Bikou Group in southern Gansu, it is held that in West Qinling Mountain area, the indicator elements of various types of copper deposits only reflect the regional geological formations of the corresponding types of copper deposits, whereas the optimal indicator elements reflect orebearing geological formations. The known copper deposits in the distributive area of Bikou Group and the newlydiscovered Faziba medium-size copper deposits are all located in the favorable positions indicated by the optimal indicator elements for the eruptive-sedimentary copper deposits of this area.
出处
《物探与化探》
CAS
CSCD
2003年第4期269-275,共7页
Geophysical and Geochemical Exploration
