Abstract
Analysis of the results of carried out investigations of mantle modules in kimberlite diatremes of main diamondiferous regions of the Siberian platform was made. Morphology and chemistry of garnets, chrome-diopsides, clinopyroxenes, picroilmenites, chromites and chrome-spinellids were investigated. Generally, the quantity of diamond association minerals is proportional to diamondiferousness of certain variety of kimberlite for each type of kimberlite rocks composing pipes. It is stated that comprehensive studying of kimberlites and diamond property are very important, because the diamond is a mineral with a broad complex of physical-chemical and crystal-morphological features, reflecting peculiarity of thermodynamic and geochemical conditions of their formation, which can be used as typomorphic indicators. Detailed complex investigations of diamond and its paragenetic accessory minerals allow establishing material-indicative parameters of kimberlite magmatism of various productivity and geologic-structural position of kimberlite bodies, and address issues about primary sources of placer diamonds, as well. Upgrading the line of research on creation of more efficient ore processing flowsheets and providing crystalintegrity technologies, expansion of diamond application areas with consideration of their real structure and physical features, as well as revelation of natural targets with increased quality of diamond raw material, are all related with investigation of primary indicator minerals of kimberlites.
Published Version
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