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Preliminary Investigation of Precious and Base Metals Mineralization on Basement Rocks of Geresse...

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https://www.ijert.org/preliminary-investigation-of-precious-and-base-metals-mineralization-on-basement-rocks-of-geresse-area-southern-ethiopia
IJERTV9IS050408
Preliminary Investigation of Precious and Base Metals Mineralization on Basement Rocks of Geresse Area, Southern Ethiopia

Gosaye Berhanu , Tamene Tadele , Gebru Hadush , Muluken Fanta, Agenegnehu Borko

The present study has been conducted to access precious and base metals mineralization in Gamo district, southern Ethiopia. Lithological and structural map of the study area is generated at the scale of 1:50,000. Forty-nine stream sediment samples were collected from sets of first and second order of streams and analysis of precious and base metals mineralization (Cu, Pb, Zn, etc) conducted using Atomic Absorption Spectrometry. The lithologies exposed in the area are Pegmatite, Granitic gneiss, Amphibole gneiss, Amphibolite, Schist and rhyolite. The study area is characterized by ductile and brittle geological structures such as foliation, folds, joints, dikes, veins and vein lets. Except copper, all precious and base metals contents are below the threshold value and they are insignificantly mineralized in the study area. Copper has high mineralization on the study area with a threshold value of 656.9 ppm which further indicates copper mineralization in the study area.
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