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与火山岩有关的各类矿床,特别是与海底火山喷发细碧角斑岩建造有关的矿床,一般认为都与火山机构的一定部位有关.因此在火山岩区确定火山机构,无疑对寻找与火山岩有关的各类矿床具有指导意义.但是古火山机构,特别是与各类黄铁矿型矿床有关的元古代火山岩,由于后期构造的变动和岩浆的侵入,使之变得残缺不全.后期的剥蚀风化作用使火山中心处于负地形上.由于地表为残坡积物所覆盖,使地质人员对火山机构的确定,发生困难.利用物化探资料研究火
Various types of volcanic deposits, especially those related to submarine volcanic eruption Penicillian porphyry, are generally considered to be related to certain parts of volcanic structures, and therefore the identification of volcanic structures in the volcanic area is undoubtedly of great interest in finding volcanic rocks Various types of ore deposits are instructive, but paleo-volcanic institutions, especially palaeo-volcanic rocks related to various types of pyrite deposits, became incomplete due to structural alteration and magma intrusion during the later stages of denudation weathering So that the volcano center is in a negative terrain.As the surface of the debris covered by debris, so that geological staff to determine volcanic institutions, difficulties occur. The use of geochemical data to study the fire