新疆西昆仑塔什库尔干赞坎铁矿矿床地质特征初探

Primary Study on Geological Characteristics of Zankan Iron Deposit in Tashkurgan in Western Kunlun in Xinjiang Uygur Autonomous Region

摘要:

赞坎磁铁矿位于新疆喀什塔什库尔干自治县内，处在塔什库尔干陆块西部，属于沉积变质型热液矿床。区内含矿地层主要为古元古代布伦阔勒群，构造运动和岩浆活动十分发育。矿区内有7个规模较大的磁铁矿体，矿体一般长30～560m，宽6～84m，矿床矿石矿物单一，原生磁铁矿占全铁的5%～94%，矿区有明显的磁异常。可通过地层、磁化率异常，地表黄钾铁矾化、褐铁矿化的方法来寻找新的磁铁矿。

Abstract:

Zankan iron Located in Xinjiang Kashi Tashkurgan Autonomous county in west part of continental block of Tashkurgan. It belongs to the sedimentary metamorphic hydrothermal deposits. Ore-bearing strata are mainly ancient Proterozoic Bulunkuole group. Tectonic and magmatic activities are very active. There are seven larger iron ore deposits in mining areas. The length is generally 30~560m, and the width is 6~84m. Ore mineral in iron ore deposit is single. The original magnetite takes 5%～94% of the TFe. There has an obvious magnetic anomaly in mining area. Through strata, magnetic susceptibility anomalies, surface jarosite, limonitization, new magnetite deposits can be found.