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Ore shoots formation in a sinistral strike-slip setting: an interpreted from the map of the Au-Ag Milin Kamak deposit in the Breznic area, Southwest Bulgaria

Ore shoots formation in a sinistral strike-slip setting: an interpreted from the map of the Au-Ag Milin Kamak deposit in the Breznic area, Southwest Bulgaria

Authors :
Dian Strahilov
Plamen Doychev
Ivan Dimitrov
Source :
Review of the Bulgarian Geological Society. 83:131-134
Publication Year :
2022
Publisher :
Bulgarian Geological Society, 2022.

Abstract

This work presents а structural interpretation of a well-known gold deposit from SW Bulgaria. The interpretation is based on the geological map and structural data, collected during the prospecting. The data indicates that а regional sinistral shearing was responsible for a low rank sinistral shear system, which created ore depositional space by the combined action of shear extension and compression. The two mechanisms opened tension gashes, dilated previously formed Riedel faults and buckled the veins and the faults. The buckling happened, when the structures were rotated anticlockwise in the compressional quadrant of the space between the regional shears thus creating buckling structures. Ore shoots have been formed in the extended domains of the main shear and along the dilated previously formed Riedel shears.

Details

ISSN :
00073938
Volume :
83
Database :
OpenAIRE
Journal :
Review of the Bulgarian Geological Society
Accession number :
edsair.doi...........2e083daa65c32b20e7364d2ba3a656bf
Full Text :
https://doi.org/10.52215/rev.bgs.2022.83.3.131