Algorithm for calculating neotectonic stresses in platform areas by the structural-geomorphological method

نویسندگان

چکیده

An algorithm for calculating stress values proposed here is based on the results of reconstruction performed by L.A. Sim’s structural-geomorphological method platform areas. This makes it possible to determine orientation axes principal stresses shear zones from lineament analysis satellite images and photographs Gzovsky’s palette, identify lineaments characterizing basement active faults which are covered sediments. It that dataset obtained will be subjected second-stage Cataclastic Analysis faulting displacements, in Mohr diagram used calculate normalized cohesion strength massif. The further determination absolute data lithostatic pressure fluid fracture-pore space massif (either measured or prescriptive). calculation was tested a small area (60 square km imagery) near territorial district Seversk – southern border West Siberian Platform. calculations have shown with variations ranging hydrostatic twice higher than those, rock mass at base sedimentary cover (500 m depth) range 41.0 16.8 bar, level maximum tangential lies 75 31 bar.

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ژورنال

عنوان ژورنال: Geodinamika i Tektonofizika

سال: 2022

ISSN: ['2078-502X']

DOI: https://doi.org/10.5800/gt-2022-13-1-0577