Electron Microscopic Study of Siliceous-Carbonate Rocks of the Domanikoid Type

Abstract

The methods and results of electron microscopic study of the microstructure of siliceous-carbonate rocks of the domanikoid type are shown. For this purpose, both standard methods for studying the surface of sample chips and a polished surface for microprobe studies and a specially developed method for cathode luminescence study of the pore space are used. Regularities in the catagenetic transformation of Domanik deposits are studied at the microscopic level by electron microscopy. The performed studies show that subcapillary porosity in them is formed only in fractal-cluster areas of origin of secondary (authigenic and syngenetic) carbonatization. This study substantiates the fractal-cluster approach to the probabilistic forecasting of areas of secondary carbonatization and oil-saturated pore volumes.