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Alteration And Minralaization Of Iron Orein Ethiopia

Acteristics of fluid responsible for gold mineralization were so far unknown. The purpose of this paper is to report the mineral paragenesis, chemistry of wall rock alteration that asso ciated with gold mineralization, stable isotope data of Fig. 1. Location the study area on the geological map of southern Ethiopia.

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    Wallrock alteration is moderate (sericitic carbonate silicification). The ore replaced beds of dolomite. Local alteration includes oxidation and hydrothermal alteration. The metasediments are probably Paleozoic, and possibly Precambrian. The ore minerals are probably Cretaceous and certainly Mesozoic. Associated rocks include quartz monzonite.

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