美国与中国西部卡林型金矿的对比

详细信息

收稿日期: 2003-06-23

刊出日期: 2003-12-31

COMPARATIVE ANALYSIS OF CARLIIN-TYPE GOLD DEPOSITS BETWEEN AMERICA AND WESTERN CHINA

Received Date: 23 June 2003

Publish Date: 31 December 2003

摘要: 通过对美国的卡林型金矿与我国的卡林型金矿地球动力学、矿床的地质背景、成矿条件分析,其类似表现为:均发育于地壳活动强烈的部位,具有以硅化、碳酸盐化为主的中低温热液蚀变类型,具有以黄铁矿、雄黄、雌黄、辉锑矿、辰砂、重晶石和石英等矿物组合,且干酪根的成熟度相近;其差异表现为:成矿时代与赋矿围岩的时代相差甚远(矿岩时差),与岩浆岩作用密切程度不同,Au、Hg、Sb、As、Tl的存在形式不同.并根据以上差异,对有关问题进行了探讨.
- 卡林型金矿 /
- 成矿地球动力学 /
- 成矿条件 /
- 对比
Abstract: The comparative analysis of recent literatures on the metallogenetic dynamics,geological backgrounds and ore forming conditions of Carlin-type gold deposits in both America and China shows a similar metallogenetic geological background,such as the composition of tectonic elements,ancient rift setting,wall-rock alteration,paragenetically associated minerals,element assemblage and maturity of kerogen.The differences are presented in metallogenic epoch,relation to magmatism,occurrence mode of elements etc.The reasons for these differences are also discussed.
- Carlin type gold deposit /
- metallogenetic dynamic /
- ore-forming condition /
- comparative analysis