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笔者曾在2007年撰文《长江奇石资源的变化及应对》(发表在《石道》杂志2007年第十期),阐述了因为三峡工程蓄水和计划中长江中上游几个大坝对长江石资源已经和可能带来的影响,但也带来前所未有的机遇。文中例举了长江石三个采集方式:原生碛坝采选(图1),通过砂石船抽取江底砂石中采集(万州模式-图2),通过机械采石场采选(泸州模式-图3)。时隔两年,虽然基本的采集方式没变,但三种方式的份量和作用在长江石不同的产区已悄然发生了变化。
In 2007, the author wrote “Changes and Countermeasures of Kistler Resources in the Yangtze River” (published in 2007 in Shitao Magazine), explaining that because of the Three Gorges Project’s impoundment and planning of several dams in the upper and middle reaches of the Yangtze River, Has and may have an impact, but also brings unprecedented opportunities. The paper cites three acquisition methods of Yangtze River stone: primary moraine dam mining (Figure 1), grit removal from river bottom gravel (Wanzhou mode - Figure 2), mechanical quarry selection (Luzhou mode -image 3). A lapse of two years, although the basic collection methods have not changed, but the three methods of weight and role in the different production areas of the Yangtze River has quietly changed.