今年暑假,当我们在冀热边区一带调查地质的时候,老乡们见了就问:“这山上出啥呀?有金线(矿脉)没有?”是的,在矿产当中,要算金最为他们所熟识了。在那里有一些小的金矿,由当地人用土法开采提炼,产量虽然少,但是在他们的生活中,却起了不小的作用。为什么他们对金这样熟识呢?我想有三个原 This summer, when we surveyed the geology in the Jibei Border Region, fellow villagers met and asked, “What’s on the mountain? Are there any gold lines?” Yes, in the mineral industry, Familiar. There are some small gold mines, the natives extracted by indigenous mining methods, although the output is small, but in their lives, it played a small role. Why are they familiar with gold? I think there are three original