Geo-Electrical Resistivity Investigation of Mineral ...
2020-8-26 · Gold mining has been done in cross-cutting quartz veins, banded iron formation; strata bound horizons in tuffs and alluvial deposits, with the main mines located at Macalder, Masara and Kehancha (Shackleton, 1946). II. Geologic setting The area is covered by volcano-sedimentary sequences and intrusive rocks of the Migori greenstone ...