FIELD: physics.
SUBSTANCE: method includes collecting sedimentary rock samples and extracting insoluble organic matter therefrom; measuring the intensity of infrared spectral bands at 2930, 2850, 1710 and 630 cm-1 of the infrared spectrum of the insoluble organic matter. The obtained values are used to calculate standardised parameters, from which the catagenesis substage and the corresponding maturity of the sapropel organic matter are determined.
EFFECT: high reliability and level of detail of determining maturity of organic matter.
5 cl, 2 dwg, 1 tbl
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