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格陵兰矿产资源丰富,种类繁多,目前已探明的金属矿点(床)有800多个,具有巨大的找矿潜力,世界主要矿业公司多数对格陵兰的找矿与开发表现出积极态度。因此,选择典型地区开展深入研究对进一步找矿有重要的理论指导意义。格陵兰西南部的那萨克(Nassaq)地区交通较为便利,本文在对该地区系统的野外地质特征研究基础上,采集了含辉钼矿斜长角闪岩样品,并从中选择代表性样品,进行辉钼矿Re-Os年代学研究,为其成矿作用及相关问题的研究提供基本依据。该地区辉钼矿的形成年龄为2553 Ma,为新太古界末期的产物,其矿化是Qorqut花岗岩侵入时(2550Ma)所形成,在格陵兰西南部应重视Qorqut花岗岩有关的辉钼矿的找矿与评价工作。
Greenland has rich mineral resources and a great variety of mineral resources. At present, there are more than 800 metal deposit sites (beds) that have been proven and have great potential for prospecting. Most of the world’s major mining companies are positive about prospecting and development in Greenland. Therefore, choosing a typical area for further research has important theoretical significance for further prospecting. The traffic in the Nassaq region of southwestern Greenland is more convenient. Based on the systematic study of the field geology in the area, a sample of plagioclase amphibolites containing molybdenite was collected and representative samples were selected for conducting The molybdenite Re-Os chronological study provides a basic basis for the study of its mineralization and related issues. The age of molybdenite formation in this area is 2553 Ma, which is the product of the end of Neoproterozoic. Its mineralization is formed when Qorqut granite was intruded (2550 Ma), and the prospecting of molybdenite related Qorqut granites should be emphasized in southwestern Greenland And evaluation work.