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Corbetti Volcanic Complex, East Shewa Zone, Oromia Region, Ethiopiai
Regional Level Types
Corbetti Volcanic ComplexVolcanic Complex
East Shewa ZoneZone
Oromia RegionRegion
EthiopiaCountry

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Latitude & Longitude (WGS84):
7° 10' North , 38° 27' East
Latitude & Longitude (decimal):
7.16667,38.45000
GRN:
N05E27
Type:
Volcanic Complex
Köppen climate type:
Cfb : Temperate oceanic climate
Mindat Locality ID:
406716
Long-form identifier:
mindat:1:2:406716:3
GUID (UUID V4):
0


The complex consists of Corbetti caldera, which has 12 km diameter and younger volcanoes of Urji, which is located in the centre of the caldera, and Chabbi, which overlaps the eastern caldera margin (Di Paola 1972). The whole complex is about 20 km east-west.

There is intense fumarolic activity in one area of Chabbi and a large earthquake was recorded in 1960 the epicentre of which was beneath Chabbi (Mohr 1966).

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Standard Detailed Gallery Strunz Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

5 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

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Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Aegirine
Formula: NaFe3+Si2O6
ⓘ Aenigmatite
Formula: Na4[Fe2+10Ti2]O4[Si12O36]
ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Albite var. Anorthoclase
Formula: (Na,K)AlSi3O8
ⓘ Fayalite
Formula: Fe2+2SiO4
ⓘ Quartz
Formula: SiO2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 9 - Silicates
ⓘFayalite9.AC.05Fe2+2SiO4
ⓘAegirine9.DA.25NaFe3+Si2O6
ⓘAenigmatite9.DH.40Na4[Fe2+10Ti2]O4[Si12O36]
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘvar. Anorthoclase9.FA.35(Na,K)AlSi3O8

List of minerals for each chemical element

OOxygen
Oⓘ AegirineNaFe3+Si2O6
Oⓘ AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Albite var. Anorthoclase(Na,K)AlSi3O8
Oⓘ FayaliteFe22+SiO4
Oⓘ QuartzSiO2
NaSodium
Naⓘ AegirineNaFe3+Si2O6
Naⓘ AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ Albite var. Anorthoclase(Na,K)AlSi3O8
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Albite var. Anorthoclase(Na,K)AlSi3O8
SiSilicon
Siⓘ AegirineNaFe3+Si2O6
Siⓘ AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Albite var. Anorthoclase(Na,K)AlSi3O8
Siⓘ FayaliteFe22+SiO4
Siⓘ QuartzSiO2
KPotassium
Kⓘ Albite var. Anorthoclase(Na,K)AlSi3O8
TiTitanium
Tiⓘ AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
FeIron
Feⓘ AegirineNaFe3+Si2O6
Feⓘ AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Feⓘ FayaliteFe22+SiO4

Localities in this Region

Ethiopia

Other Regions, Features and Areas containing this locality

AfricaContinent
African Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Mohr, P. A. (1966). Chabbi volcano (ethiopia). Bulletin Volcanologique, 29(1), 797-815. doi.org/10.1007/BF02597195
Macdonald, R., Gibson, I. L. (1969) Pantelleritic obsidians from the volcano Chabbi (Ethiopia) Contributions to Mineralogy and Petrology, 24 (3) 239-244 doi:10.1007/bf00376050
DI, P., & DI PAOLA, G. M. (1972). GEOLOGY OF THE CORBETTI CALDERA AREA (MAIN ETHIOPIAN RIFT VALLEY. Bulletin Volcanologique, 35, 497-506.
Woolley, A. R. (2001) Alkaline Rocks and Carbonatites of the World, Part 3: Africa - Alkaline Rocks and Carbonatites of the World. The Geological Society of London.p.86
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