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华北地台北缘是我国一个巨型金成矿带。成矿作用主要受控于前寒武纪的结晶基底、区域性的深大断裂带和火山-岩浆活动。海西晚期—燕山期的构造岩浆活动是本区的最重要控矿因素。与构造岩浆活动有关的金矿类型,尤其是其中的特殊类型和新类型,具有巨大的找矿潜力。以下三种分布广泛、类型特殊、工作程度不足的金矿床会在将来的勘查工作中有更多的发现:1.浅成低温热液型金矿床(与花岗斑岩有关);2.斑岩型金矿床,矿体赋存于花岗斑岩和花岗质侵入岩中;3.与碱性岩有关的金矿床
North China platform is the northern margin of a giant gold metallogenic belt. The metallogenesis is mainly controlled by Precambrian crystalline basement, regional deep fault zone and volcanic-magmatic activity. Late Hercynian-Yanshanian tectonomagmatic activity is the most important ore-controlling factor in this area. The gold types associated with structural magmatic activity, especially their special types and types, have great potential for prospecting. The following three kinds of widely distributed, special types and underemployed gold deposits will have more discoveries in future exploration work: 1. Shallow epithermal gold deposits (related to granite porphyry); 2. Porphyry type gold deposits, ore bodies occur in granite porphyry and granitic intrusive rocks; 3. Gold deposits associated with alkaline rocks