Abstract
We showed the effectiveness of the various existing methods applied for the determination of the diamond prospectivity of kimberlite pipes based on the composition of garnets on the examples of high-grade diamond-bearing kimberlite pipes V. Grib and Arkhangelsk and low-grade kimberlite pipe TsNIGRI-Arkhangelsk, located in the Arkhangelsk diamondiferous province. The reasons for the low diamond grade of the TsNIGRI-Arkhangelskaya pipe are revealed. The results of this work allowed us to determine the analytical procedure for studying the garnet grains extracted from panned samples and magmatic bodies in order to assess the potential diamond grade of prospected areas in order to plan subsequent exploration and appraisal work in the Arkhangelsk region.
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