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Kenticha mine, Kenticha pegmatite field, Sidamo-Borana Province, Ethiopia

Amazonite
Kenticha mine, Kenticha pegmatite field, Sidamo-Borana Province, Ethiopia

Photo: Rob Lavinsky
Latitude: 5°31'N
Longitude: 39°2'E
Active tantalite mine in the Main Kenticha pegmatite sheet (thickness 40-100 m; exposed over 2 km). Annual production of about 120 tons of tantalum concentrate grading at 50-70% Ta2O5.
Mining is presently (Küster et al., 2009) restricted to the upper zone in the eastern and northern parts of the pegmatite.

References

- Küster, D. (2009): Granitoid-hosted Ta mineralization in the Arabian-Nubian Shield: Ore deposit types, tectono-metallogenetic setting and petrogenetic framework. Ore Geology Reviews 35, 68-86.
- Küster, D. et al. (2009): Mineralium Deposita 44, 723-750.

Mineral List

Albite
Amblygonite
'Apatite'
Arsenopyrite
Beryl
var: Emerald
Cassiterite
Columbite-(Fe)
Columbite-(Mn)
'Garnet'
Holmquistite
Ilmenite
Ixiolite
Kaolinite
Lepidolite
Magnetite
Microcline
var: Amazonite
Microlite Group
Muscovite
var: Sericite
Petalite ?
Phlogopite
Pyrite
Quartz
Spodumene
Swinefordite
Tantalite-(Mn)
Topaz
'Tourmaline'
Wodginite
Zircon


32 entries listed. 26 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 5th Jul 2011 15:09:05
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