论文部分内容阅读
近年来脉金矿床在成因模式研究方面，有岩浆成因模式，变质模式、地幔去气—麻粒岩化和连续成矿模式等。并着重从成矿流体、矿质来源、沉淀过程和构造背景方面，探讨了脉金产出的地球动力学背景，控矿构造特征，煌斑岩（脉）与金成矿时空关系等。指出我国主要产于花岗岩中的脉金矿床，其流体来源性质，花岗岩中构造对成矿的控制作用，花岗岩的地球动力学背景是值得注意的研究课题。并指出应谨慎对待同位素测年资料。
In recent years, vein gold deposits in the study of genetic models, magmatic origin model, metamorphism, mantle deglazing - granulitization and continuous metallogenic model. The geodynamic background, ore - controlling tectonic characteristics, the relationship between lamprophyre (vein) and gold mineralization are discussed from the aspects of ore - forming fluid, mineral source, sedimentation process and tectonic setting. It is pointed out that the veins and gold deposits mainly produced in granite in China are of fluid origin and granite structure controlling the mineralization. The geodynamic background of granite is a research subject of note. And pointed out that isotope dating data should be treated with caution.