Zinchuk Н.Н. and Zinchuk М.Н. 2021. Lithologic-mineralogical features of ancient diamondiferous thicknesses in the regions of kimberlite magmatism development. Problems of mineralogy, petrography and metallogeny. Scientific readings in memory of P.N. Chirvinsky. 24 (Oct. 2021), 36–53. DOI:https://doi.org/10.17072/chirvinsky.2021.36.