新疆西昆仑托日提乌托克铜(金)矿床地质特征及发现意义

Geological characteristicsof the Tuoritiwutuoke Cu(-Au) deposit in west Kunlun,Xinjiang and its discovery significance

西昆仑地区成矿地质条件优越,受自然条件限制,矿产研究程度较低,斑岩型铜矿的勘查一直未取得新的突破。托日提乌托克铜(金)矿是新疆西昆仑最近发现的一斑岩型矿床,现已初步圈出5条具一定规模的铜(金)矿体。文章以野外调查为基础,通过对地质背景、成矿条件、矿体特征、矿化蚀变等研究总结,初步探讨了该矿床成因,认为其为一叠加有后期构造改造的斑岩型铜(金)矿床,且具有良好的找矿前景,并指出西昆仑存在一条具有找矿价值的加里东期斑岩铜(钼、金)成矿带。

The West Kunlun region are superior for metallogenic geological conditions,but the prospecting of porphyry deposits hasn′t been broken through up to now due to the difficultnature condition and poor extent of geologic research.The Tuoritiwutuoke Cu (-Au) deposit is a newly-discovered porphyry type deposit in the West Kunlun area, and Five Cu (-Au) orebodies were found initially.Based on the field investigation, the genesis of the deposit is preliminarily discussed by means of geologic setting, minerogenetic condition, orebody characteristic, mineralization and alteration in the ore district. Tuoritiwutuoke Cu (-Au) deposit is considered as a porphyry type deposit superimposed with later transformation,and a good prospecting is believed. It is also pointed out that there is a porphyry Cu (-Au and-Mo) Metallogenic belt of Caledonian for prospecting value in West Kunlun.