tantalum deposits in zimbabwe

OVERVIEW OF TANTALUM - NIOBIUM MINERALISATION IN , Coltan first discovered Zimbabwe on Ebonite claims near Bikita in 1911 First production Ebonite-A Claim in 1926 - 091t coltan concentrate Mining elsewhere Bikita area commenced and continued throughout World War II Coltan and microlite mined, often by-product beryl and cassiterite, majority deposits produced