库鲁克塔格地区古元古界磁铁石英岩型铁矿的发现及找矿意义

DISCOVERY AND PROSPECTING SIGNIFICANCE OF PALEOPROTEROZOIC ERATHEM MAGNETITE-QUARTZITE TYPE IRON DEPOSIT IN KURUK TAG AREA

通过塔里木地台北缘找矿研究,在库鲁克塔格地区首次发现磁铁石英岩型铁矿床,铁矿赋存于前寒武系兴地塔格群沙依提组地层中。对该矿床含矿岩系特征、岩矿石化学组成、微量元素、稀土元素组成与矿床地质特征的调查与研究表明,鲁克塔格地区古元古界兴地塔格群沙依提组含铁石英岩主要分布于兴地河—辛格尔一带,含铁建造呈东西向展布。在兴地河-辛格尔地区发现含铁石英岩建造出露长约160km,找矿前景可观。

We discovered the magnetite-quartzite type iron deposit which hosted in precambrian Shayiti formation of Xingditag group for the first time according to the prospecting study on the northern edge of tarim platform. Some investigate and research on ore-bearing rock series characters, ore chemical composition, microelement and rare earth element composition and deposit characters shows that, the paleoproterozoic erathem magnetite-quartzite type iron deposit in Shayiti formation of Xingditag group in Kuruktag area was distributed in the Xingdi river-Xingeer area with a EW iron formation. We found an 160km outcrop of ferruginous quartzite formation in Xingdi River-Xingeer area with well prospecting potential.