METHOD OF GEODYNAMIC ZONING OF A MOUNTAIN RANGE USING RADONOMETRY Russian patent published in 2023 - IPC G01V9/00 

FIELD: engineering geology.

SUBSTANCE: invention relates to methods that ensure the safety of subsoil assets, and can be used to obtain a structural-geodynamic model of a rock mass. A method for geodynamic zoning of a mountain range using radonometry is claimed, including measurements of volumetric activity in soil air with an alpha-active gas radiometer on the daylight surface of the studied rock mass along profile lines. Moreover, at the stage of in-office processing of the results of field measurements, in order to determine precisely the geodynamic component of the formation of the radon field, the study area is divided into areas with a characteristic sustained factor in the formation of the field of radon emanations, not associated with modern geodynamic activity: according to the material composition of rocks; according to the granulometric composition of the cover deposits; according to the position of the groundwater level; according to the degree of moistening of the cover deposits. To determine the geodynamic component of the formation of the radon emanation field, each value of the volumetric activity of radon in the soil air is normalized, Q_i (Bq/m³), measured within the boundaries of the selected areas: N_i =Q_i/Q_comp., where N_i is the normalized volumetric activity of radon at the measurement point i, dimensionless value; Q_i - the value of the volumetric activity of radon in the soil air of the measurement point on the profile line, Bq/m³; Q_comp. is the arithmetic mean of the volumetric activity of radon in the soil air of a group of measurement points, Bq/m³.

EFFECT: using the interpolation method, a map of the distribution of normalized values of radon volumetric activity is constructed and, based on the distribution of normalized values of radon volumetric activity in the soil air of the study area, its geodynamic zoning is carried out.

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