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第二講 礦床学研究什么什么是礦床学我們已經知道,人类自誕生以來,由于日常生活的需要就开始自然而然地利用各种不同的矿产了。最初这些矿产大都取自附近地面上的露头,当时地面上的露头可能是比較多的,而且保存得也是比較好的,因为它們自“露面”以來,尚未經过人类大量的利用和采掘。可是日子久了,一方面露头越來越少,另外一方面需要量却越來越多,这时人类就不得不到較远的
Lecture 2 Mineral Deposit Study What What Is Mineral Deposit? We already know that since the birth of mankind, due to the needs of daily life, we have started to naturally utilize various kinds of minerals. Initially most of these minerals were derived from the outcrops of the nearby ground, which were probably more outcropping and better preserved because they had not been extensively exploited and extracted by humans since their appearance. However, as time goes by, on the one hand fewer and fewer outcrops and on the other hand the demand is more and more, then human beings have to go further