陕西省商南县千家坪铁矿成矿地质特征及成矿浅析

GEOLOGY AND MINERALIZATION OF IRON DEPOSIT IN QINAJIAPING OF SHAMGNAN COUNTY,SHAANXI PROVINCE

商南县千家坪铁矿位于秦岭褶皱系南秦岭印支褶皱带的凤县—镇安褶皱束东段南缘,南与留风关—金鸡岭褶皱束相邻,北与礼县—柞水华力西褶皱带相邻,区域上处于千家坪背斜北翼,赋存于震旦系下统耀岭河群三亚群二岩段二岩性层中,为变质沉积矿床。

The Qianjiagou iron deposit occurring in Shangnan county is located in the southern margin of the east part of the Fengxian-Zhen＇an fold bundle,the southern Qinling-Indosinian fold belt of the Qinling fold system.The iron deposit is adjacent to the Liufengguan-Jinjiling fold bundle at south and to the Lixian-Zhashui Variscan fold belt at the north.Regionally,it lies in the north wing of Qianjiaping anticline area and occurs in the second lithostrome of the second rock section in the lower Sinian Sanya Group and the Yaolinghe Group,belonging to metamorphic sedimentary deposit.