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利用岩石化学区分金伯利岩和基性—超基性岩;确定金伯利岩的含矿性,是一种可靠而又有效的方法。通过对各种方法的检验,表明多数方法对判别金伯利岩和金伯利岩的含矿性是有效的,但正确率不同。作者在综合前人方法的基础上提出金伯利岩岩石化学综合方法预测方程,并根据方程系数判别金伯利岩含矿性。生成金刚石最理想的样品得分为100,完全排除生成金刚石可能性的样品得分为-100。根据计算结果,含金刚石的金伯利岩最低得分为0.40,不含或含极少金刚石的岩体最高得分为-22.01,介于两者之间的过渡岩体,可视其具体情况安排工作。这个方法的主要优点,可以迅速地从一个地区获取金刚石找矿线索。
It is a reliable and effective method to distinguish kimberlite from basic-ultrabasic rocks by using petrochemistry. To determine the ore-bearing property of kimberlites is a reliable and effective method. Through the tests of various methods, it shows that most of the methods are effective to discriminate the mineralization of kimberlite and kimberlite, but the accuracy is different. Based on a combination of previous methods, the authors propose a comprehensive prediction method of kimberlite petrochemistry, and determine the kimberlite mineralization according to the equation coefficients. The best sample for diamond production scores a score of 100, completely eliminating the diamond score of -100. According to the calculation results, the minimum score of diamond-bearing kimberlite is 0.40, and the highest score of rock mass without or with minimal diamond is -22.01. The transitional rock mass between the two can be arranged according to the actual situation. The main advantage of this method is that it can quickly get diamond prospecting leads from one area.