陕北斜坡店塔地区铬尖晶石特征  

CHROMIUM SPINEL IN DIANTA AREA OF XIEPO,NORTHERN SHAANXI PROVINCE

作　　者：王凤瑞 李麟 王旭斌 赵强 王侃 Wang Feng-rui;Li Lin;Wang Xu-bin;Zhao Qiang;Wang Kan(Shaanxi Mining Development Industry and Trade Co.,Ltd.,Xi’an 710054)

机构地区：[1]陕西矿业开发工贸有限公司,西安710054

出　　处：《陕西地质》2018年第2期57-61,共5页Geology of Shaanxi

基　　金：中国地质调查局"鄂尔多斯陕北斜坡金刚石远景调查"项目(编号:12120114054701)和中国地质调查局"华北和扬子地区金刚石矿产调查"项目(编号:DD20160059)联合资助

摘　　要：前人已在鄂尔多斯盆地陕北斜坡圈出了铬尖晶石指示矿物的异常区和远景区,研究表明,区内店塔地区铬尖晶石具幔源特征,铬尖晶石表面具阶梯状小立方体结晶纹理结构,与国外含金刚石岩体中铬尖晶石表面特征具有相似性,表明店塔地区铬尖晶石可能与含金伯利岩岩体有关。On the basis of the anomalous areas of indicator minerals for prospecting chromium spinel in the Northern Slope of Shaanxi in the Ordos Basin,which was delineated by previous geological work,further researches indicate that chromium spinel in the Dianta area has Mantle-derived characteristics,which is featured in small cubes on surface with a ladder crystal texture and the surface features of which are similar to those chromium spinels occurring in diamond-bearing rock mass in abroad.It demonstrates that the chromium spinel in the Dianta area may be related to kimberlite rock mass.

关 键 词：铬尖晶石 陕北斜坡 店塔地区 

分 类 号：P619.28[天文地球—矿床学]