PROSPECTIVITY OF KRASNOPOLYANSKY DISTRICT IN SOCHI (RUSSIA) FOR PRECIOUS METAL MINERALIZATION

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Abstract


The article presents theoretical pre-requisites for gold mineralization in the Jurassic black shale strata of the Krasnaya Polyana geostructural zone of the North Caucasus. A brief historical review of investigation and extraction of gold in the area of the Mzymta and Shahe rivers was made. The search criteria and criteria of endogenous precious metal mineralization in black shale are identified: the presence of magmatic vein complexes in the region, lithostratigraphic and lithogeochemical barriers, deep-seated regional faults and other en echelon faults, sulphide mineralization. In 2013, during a geological field trip, the ore zone on the right side of the Mzymta River was located and investigated. Mineralized black shale and Mesozoic limestone cut through the intrusive body of gabbro-diorites, with a complex zonal structure. The microscopic analysis data showed that a significant part of the ore mineralization is represented by pyrite with globular structure, which is an important criterion in the genesis of sulfide deposits. Increased sulfide content, structural features of magmatic bodies, as well as chemical analysis data indicate their prospectivity for gold content.


About the authors

E V Karelina

The Department of Geology, Mining and Oil&Gas Engineering, Engineering Academy Russian University of Peoples’ Friendship

Author for correspondence.
Email: elkarelina@mail.ru
Miklukho-Maklaya str., 6, Moscow, Russia, 117198

Elena V. Karelina, associate professor in the Department of Geology, Mining, Oil&Gas Engineering, Engineering Academy, Peoples’ Friendship University of Russia (RUDN University). Research interests: mineral exploration and prospecting, mathematical modelling of geological problems, deposits of precious, base, and ferrous metals.

V E Markov

The Department of Geology, Mining and Oil&Gas Engineering, Engineering Academy Russian University of Peoples’ Friendship

Email: vemarkov@yandex.ru
Miklukho-Maklaya str., 6, Moscow, Russia, 117198

Vladimir E. Markov, senior lecturer in the Department of Geology, Mining, Oil&Gas Engineering, Engineering Academy, Peoples’ Friendship University of Russia (RUDN University). Research interests: mathematical modelling of geological problems, innovative methods of remote sensing of the Earth, computer technologies, geoscience information technology, structural criteria for localisation of chromite deposits.

V I Blokov

The Department of Geology, Mining and Oil&Gas Engineering, Engineering Academy Russian University of Peoples’ Friendship

Email: blok_off@mail.ru
Miklukho-Maklaya str., 6, Moscow, Russia, 117198

Viachaslav I. Blokov, Specialist, graduate of the Department of Geology, Mining, Oil&Gas Engineering, Engineering Academy, Peoples’ Friendship University of Russia (RUDN University). Research interests: lithogeochemical exploration of mineral deposits, mathematical modelling of geological problems, structural criteria for localisation of chromite deposits.

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Copyright (c) 2017 Karelina E.V., Markov V.E., Blokov V.I.

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