陕西陇宝地区透辉石矿开发利用现状及找矿潜力

陇宝地区以盛产透辉石而闻名,透辉石已成为陇宝地区的代名词。陇宝地区指陕西省宝鸡市以西,渭河以北,千河以南的三角地带,是秦岭褶皱陇山褶皱束,即八渡-宝鸡断裂与拓石-宝鸡断裂所挟持的三角地区。陇山地区地层以秦岭群灰色二云母石英片岩为主,夹有白色-灰白色透辉石大理岩,透辉石石英岩等。从上世纪九十年代中期,透辉石得到开发利用至今已年采透辉石量达40~60万t,为宝鸡陶瓷工业提供了原料。陇宝地区秦岭群地层分布较广,是寻找透辉石最有利地区之一。宝鸡凤县北部、渭滨南部、太白县北部都是寻找透辉石最有潜力的地区。

The Status of Exploitation and Utilize,Also the Prospecting Potential of Diopside in Longbao Area of Shaanxi

Longbao area is famous of rich in diopside mines , and the diopside has become the sign board of Longbao area . This area include the western of Baoji city , the northern of Weihe river , the southern of Qianhe river , and these formed a triangle zone.In geology, it belongs to the Longshan virgation of Qingling folds .That is the triangle between Badu-Baoji faults and Zheshi-Baoji faults group .The stratum features ofLongshan area focus on grey two micas quartz schist of Qingling group, and mixed up with white-grey white diopside marble and diopside quartz rock .The test results are thinked the quali-ty of diopside in Longbao area as the upper moderate grade in domestic .It can be used as the material of producing the best porcelain .Begin at the medium of ninety ages last century , diopside has been developed and utilized up to present , and the annual yield reached to 400-600,000 ton.These quantity supplied the plenty material for Baoji ceramic industy .The stra-tum of Qinling group distributes very broad in Longbao area , it is the distinct sign for finding the diopside mines .There are three areas existed in north of Fengxian county , south of Weibin and north of Taibai county , which are the most potential zone for searching the diopside .