Three-dimensional geological and geophysical model of the Myutenbay gold deposit, Muruntau ore field, Uzbekistan

A three-dimensional geomagnetic model of the Myutenbay deposit has, been created in the Geosoft Oasis Montaj program, based on digital modelling of magnetic exploration data previously carried out at the site, and using the petrophysical characteristics of the ore-bearing rocks. A three-dimensional model of the ore bodies was created in Micromine software using information from boreholes obtained during the exploration stage of the deposit. The shape of the ore bodies and that of the three-dimensional magnetically disturbing objects in the geomagnetic model were established as identical. A two-dimensional geomagnetic model clearly shows the fault zone, the folded rocks of the Murun suite and the orientation of the ore bodies within the Kosmanachi ore-bearing strata. The mapped magnetic anomalies reflect zones of progressive regional metamorphism, which collectively determined the location of gold ore mineralization. Zones of correlatable magnetic maxima reflect the development of pyrite-pyrrhotite vein-disseminated mineralization, related to areas of gold-producing ore body.

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