Prospecting for Metal Ore Deposits in Second Deep Space of Crustal Interior,the Building of Strategy Reserve Base of Northeast China
TENG Ji-wen1,2,LIU Jian-ming2,LIU Cai1,YAO Jing-jin3,HAN Li-guo1,ZHANG Yong-qian21.College of GeoExploration Science and Technology,Jilin University,Changchun 130026,China2.Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing 100029,China3.Chinese Academy of Geological Sciences,Langfang,Hebei 102849,China
China is on the eve of rapid industrialization and economic development,the requirement about metal ore resources must rise increasingly.However,the resources detected and exploited in the first deep space(0-500m depth) is too deficient to satisfy the requirement.The resources all over the world may be used with different ways.At the same time,to guarantee the sustainable development of society and economy of our country,the geophysical survey and exploitation of ore resources in the second deep space(500~2000m depth) of crustal interior with high accuracy should be enforced at once,and the strategic reserve base for supplement of metal ore resource with safety,dependable and steady characters should be built in the northeast area of China,on account of the formation and collection of metal ore resources depend on the deep process of physics-mechanics-chemistry and the dynamical response and the exchange of substance and energy.The following six problems are discussed:(1)the tendency of requirement about metal ore resources in each country of the world at the present time.(2)the demand of metal ore resources and the degree of dependence on abroad of our couitry in eve of fast industrialization and economic development.(3)one of our pledged ways of the necessary metal resources demanded by our country;multi-utilization of the resources in the world.(4)we should depend on our own resources and share the resources in the world at the same time.(5)the survey,detection and exploitation about multi-metal ore resources in deep space,and the buildcig of strategic reserve base in the northeast of our country.(6)the detection and exploitation of metal resources by geophysical technology in second deep space of crustal interior must be enforced rapidly.