金矿是重要矿产之一。搞好金矿的普查评价工作,对“四化”有着重要的意义。一、金矿床的普查特点会矿床按其普查特征可分为四类:1.高温、中温和低温的热液石英—金矿床。这类矿床的普查特征是:(1)产于中酸性花岗岩类侵入体发育的地区或中、新生代火山活动的地区; Gold is one of the most important minerals. Doing a good job in the census and evaluation of gold mines is of great significance to the “four modernizations.” First, the characteristics of the general survey of gold deposits will be classified according to their census features four categories: 1. High temperature, moderate temperature and low temperature hydrothermal quartz - gold deposits. The census features of such deposits are: (1) in areas where mesocarcic intrusive bodies develop or in Mesozoic-Cenozoic volcanic activity areas;