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Gold Bearing Quartz Vein Dyke Swarms and Shear Zones in the Aburna Gold District and Its Implication as a Low Rank Dextral Shear System
Alpha Exploration Eritrea, S.A. Building, Asmara, Eritrea
- 1 Alpha Exploration Eritrea, S.A. Building, Asmara, Eritrea
International Journal of Geosciences·Volume 17 (2026)·Pages 434–447·Published 23 June 2026·DOI10.4236/ijg.2026.176021
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Abstract
This paper describes field mapping and structural analysis of the Aburna gold district to identify the structural controls on gold mineralization. The study links NE-trending shear corridors, quartz-carbonate-sulphide vein generations, and silica flooding to an orogenic gold system developed within a dextral transperssional setting. The main conclusion is that gold is concentrated in subsidiary shear zones within a broader regional Dextral shear framework. The structural data indicates that regional dextral shearing was responsible for a low rank dextral shear system. Subsidiary dextral shear systems create critical ore depositional space through a combination of shear extension and compression.
KeywordsSilica FloodingDextralTranspressionalOrogenic GoldGold District
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