METHODS FOR DELINEATING THE RESOURCE PERSPECTIVE AREA OF COBALT-RICH CRUSTS
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摘要: 提出了4种不同的富钴结壳资源远景区圈定方法,即水深法、工程间距外推法、网格微分法和综合法,对比了它们的优缺点,对同一研究区运用不同的方法圈定了不同的资源远景区并进行了资源评价,结果表明:这几种方法是层层递进、相辅相成的,水深法和工程间距外推法可以给出研究区资源远景的大致范围,网格微分法是圈定较为精确资源远景区的基础,但是,加入地质规律的综合法可以提供更接近真实情况的资源远景区。不同的方法适合不同的勘探程度和不同研究目的,并且有不同的精度。Abstract: The paper brings forward four different methods for delineating the resource perspective areas of cobalt-rich crusts, and they are as follows:water depth method, exploration engineering distance extrapolation method,gridding differential coefficient method and comprehensive method. The advantage and disadvantage are also compared with each other. The different resource perspective areas of cobalt-rich crusts are delineated using different methods, and their resources are also evaluated. The results show that the four methods are related to one another, and the water depth method and exploration engineering distance extrapolation method can give the approximate variation range of resource future, and gridding differential coefficient method is the base to delineate better resource perspective area, but the comprehensive method considers the geological rules, so it can give one resource perspective area which is closer to reality. Each of the four methods fits its own investigate degree and research aim, and has its own precision.
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