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引言关于自然块金成因的普遍的观点,在已提出的关于河流砂矿形成的模式中都有所暗示。关于这种形成过程的经典描述,可见于W.F.Boericke 1933年发表的一本普及性著作《小砂金矿的勘查与开采》的第一章:<砂金矿是怎样形成的>:
INTRODUCTION The prevailing view of the genesis of natural gold has been implicated in the proposed patterns of river sand formation. A classic description of this process of formation can be found in chapter 1 of W.F. Boericke’s popular book “Prospecting and Exploiting the Xiaosha Gold Deposit” published in 1933: “How does the placer gold mine?”