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引言陕南洋县-西乡-南郑一带基性岩分布地区,解放以来,在党的正确领导下,进行了大量的地质、物探工作,其中以矿点检查工作为多,其次为1/20万区域地质测量和1/10万区域航磁普查;洋县毕机沟钒钛磁铁矿区及其外围,十余年来,历经陕西省地质局、陕西冶金地质勘探公司先后进行过大量矿区评价勘探及外围普查找矿工作,积累了丰富的地质成果,我组1971-1973年,在前人工作的基础上,对南郑碑坝基性岩体(碑坝至西河一段)、西乡望江山基性岩体、洋县毕机沟含钒钛磁铁矿床辉长岩体重点进行了调查研究。并对西乡
Introduction Since the liberation, under the correct leadership of the Party, a great deal of geology and geophysical work has been carried out in the areas of Yangxian-Xixiang-Nanzheng area of Shaanxi Province, of which there are more ore spot inspections, followed by 1/20 10,000 regional geological survey and 1/10 million regional airborne census; Bi County ditch ergonomic vanadium-titanium magnetite and its periphery, more than 10 years, after geological Bureau of Shaanxi Province, Shaanxi Metallurgical Geological Exploration Company has conducted a large number of mining area evaluation of exploration And peripheral geological prospecting work has accumulated rich geological results, our group from 1971 to 1973, based on the work of predecessors, the basic characteristics of Nanzhengbeiba rock (Beiba dam to the section of the West River), Xixiang Wangjiang Mountain base Sex pluton and bixiagou vanadium titanomagnetite gabbro deposit in Yangxian County were investigated. And Xixiang