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Somali Margin, Somali Plate i
Regional Level Types
Somali Margin Passive Margin
Somali Plate Tectonic Plate

Regional Level Types
Somali Margin	Passive Margin
Somali Plate	Tectonic Plate

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L5 chondrite meteorite

Ergheo meteorite, Lower Shabelle Region, Somalia

L5 chondrite meteorite

Ergheo meteorite, Lower Shabelle Region, Somalia

L5 chondrite meteorite

Ergheo meteorite, Lower Shabelle Region, Somalia

Area:

205,451 km²

Type:

Passive Margin

Largest Settlements:

Place	Population
Mogadishu	2,587,183 (2012)
Kismayo	234,852 (2014)
Marka	230,100 (2014)
Wete	26,450 (2016)
Chake Chake	21,686 (2016)
Micheweni	9,838 (2018)

Mindat Locality ID:

444961

Long-form identifier:

mindat:1:2:444961:7

GUID (UUID V4):

No description has been added for this locality. Can you add one?

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

7 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

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ L5 chondrite meteorite

Detailed Mineral List:

ⓘ Chromite

Formula: Fe²⁺Cr³⁺₂O₄

Locality: Ergheo meteorite, Lower Shabelle Region, Somalia

References:

Bunch, T.E., Keil, Klaus, Snetsinger, K.G. (1967) Chromite composition in relation to chemistry and texture of ordinary chondrites. Geochimica et Cosmochimica Acta, 31 (10). 1569-1582 doi:10.1016/0016-7037(67)90105-6

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

ⓘ 'Fayalite-Forsterite Series'

Locality: Ergheo meteorite, Lower Shabelle Region, Somalia

Description: Olivine composition — (Fa25), Mason 1963, (Fa23.7), Keil & Fredriksson 1964 — typical L-group ordinary chondrites

References:

Merrill, G. P. (1916) Handbook and Descriptive Catalogue of the Meteorite Collections in the U.S. National Museum. Bull. U. S. Natl. Museum, No.94, Washington. 207 pp., 41 pls.

Mason, Brian (1963) Olivine composition in chondrites. Geochimica et Cosmochimica Acta, 27 (10) 1011-1023 doi:10.1016/0016-7037(63)90062-0

Keil, K. & Fredriksson, K. (1964) The Fe.Mg and Ca Distribution in Coexisting Olivines and Rhombic Pyroxenes of Chondrites. Journal of Geophysical Research Atmospheres 69 (16): 3487-3515. (August 1964)

Baldanza, B. & Levi-Donati, G.R. (1971) Evidence of Shock-Metamorphic Effects in the Ergheo Meteorite: Mineralogical Magazine 38(294): 197-204. (June 1971).

ⓘ 'Feldspar Group'

Locality: Ergheo meteorite, Lower Shabelle Region, Somalia

References:

Baldanza, B. & Levi-Donati, G.R. (1971) Evidence of Shock-Metamorphic Effects in the Ergheo Meteorite: Mineralogical Magazine 38(294): 197-204. (June 1971).

ⓘ 'Glass'

Locality: Ergheo meteorite, Lower Shabelle Region, Somalia

Description: Dark brown glass in veins as well as transparent interstitial maskelynite.

References:

Baldanza, B. & Levi-Donati, G.R. (1971) Evidence of Shock-Metamorphic Effects in the Ergheo Meteorite: Mineralogical Magazine 38(294): 197-204. (June 1971).

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

Locality: Ergheo meteorite, Lower Shabelle Region, Somalia

Description: Peculiar tri-planar twinning in magnetite.

References:

Baldanza, B. & Levi-Donati, G.R. (1971) Evidence of Shock-Metamorphic Effects in the Ergheo Meteorite: Mineralogical Magazine 38(294): 197-204. (June 1971).

ⓘ 'Limonite'

Locality: Ergheo meteorite, Lower Shabelle Region, Somalia

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

Locality: Ergheo meteorite, Lower Shabelle Region, Somalia

References:

Baldanza, B. & Levi-Donati, G.R. (1971) Evidence of Shock-Metamorphic Effects in the Ergheo Meteorite: Mineralogical Magazine 38(294): 197-204. (June 1971).

ⓘ 'Maskelynite'

Locality: Ergheo meteorite, Lower Shabelle Region, Somalia

References:

Merrill, G. P. (1916) Handbook and Descriptive Catalogue of the Meteorite Collections in the U.S. National Museum. Bull. U. S. Natl. Museum, No.94, Washington. 207 pp., 41 pls.

Baldanza, B. & Levi-Donati, G.R. (1971) Evidence of Shock-Metamorphic Effects in the Ergheo Meteorite: Mineralogical Magazine 38(294): 197-204. (June 1971).

ⓘ Native Iron

Formula: Fe

Locality: Ergheo meteorite, Lower Shabelle Region, Somalia

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

ⓘ Native Iron var. Kamacite

Formula: (Fe,Ni)

Locality: Ergheo meteorite, Lower Shabelle Region, Somalia

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

ⓘ 'Orthopyroxene Subgroup'

Locality: Ergheo meteorite, Lower Shabelle Region, Somalia

Description: Orthopyroxene composition (Fs2o.5), typical of L-group ordinary chondrites.

References:

Merrill, G. P. (1916) Handbook and Descriptive Catalogue of the Meteorite Collections in the U.S. National Museum. Bull. U. S. Natl. Museum, No.94, Washington. 207 pp., 41 pls.

ⓘ 'Plessite'

Locality: Ergheo meteorite, Lower Shabelle Region, Somalia

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

ⓘ Riebeckite

Formula: ◻[Na₂][Fe²⁺₃Fe³⁺₂]Si₈O₂₂(OH)₂

Localities:

Wadi Keregnidi, Socotra Governorate, Yemen
Wadi Sjahi, Socotra Governorate, Yemen

ⓘ Taenite

Formula: (Fe,Ni)

Locality: Ergheo meteorite, Lower Shabelle Region, Somalia

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

ⓘ Troilite

Formula: FeS

Locality: Ergheo meteorite, Lower Shabelle Region, Somalia

Description: Often in recrystallized polycrystalline masses.

References:

Merrill, G. P. (1916) Handbook and Descriptive Catalogue of the Meteorite Collections in the U.S. National Museum. Bull. U. S. Natl. Museum, No.94, Washington. 207 pp., 41 pls.

Baldanza, B. & Levi-Donati, G.R. (1971) Evidence of Shock-Metamorphic Effects in the Ergheo Meteorite: Mineralogical Magazine 38(294): 197-204. (June 1971).

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Iron	1.AE.05	Fe
ⓘ	var. Kamacite	1.AE.05	(Fe,Ni)
ⓘ	Taenite	1.AE.10	(Fe,Ni)
Group 2 - Sulphides and Sulfosalts
ⓘ	Troilite	2.CC.10	FeS
Group 4 - Oxides and Hydroxides
ⓘ	Chromite	4.BB.05	Fe²⁺Cr³⁺₂O₄
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
Group 9 - Silicates
ⓘ	Riebeckite	9.DE.25	◻[Na₂][Fe²⁺₃Fe³⁺₂]Si₈O₂₂(OH)₂
Unclassified
ⓘ	'Feldspar Group'	-
ⓘ	'Limonite'	-
ⓘ	'Maskelynite'	-
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Plessite'	-
ⓘ	'Orthopyroxene Subgroup'	-
ⓘ	'Glass'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Riebeckite	◻[Na₂][Fe₃²⁺Fe₂³⁺]Si₈O₂₂(OH)₂
O	Oxygen
O	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Riebeckite	◻[Na₂][Fe₃²⁺Fe₂³⁺]Si₈O₂₂(OH)₂
O	ⓘ Fayalite-Forsterite Series
Na	Sodium
Na	ⓘ Riebeckite	◻[Na₂][Fe₃²⁺Fe₂³⁺]Si₈O₂₂(OH)₂
Mg	Magnesium
Mg	ⓘ Fayalite-Forsterite Series
Si	Silicon
Si	ⓘ Riebeckite	◻[Na₂][Fe₃²⁺Fe₂³⁺]Si₈O₂₂(OH)₂
Si	ⓘ Fayalite-Forsterite Series
S	Sulfur
S	ⓘ Troilite	FeS
Ti	Titanium
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Cr	Chromium
Cr	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	Iron
Fe	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Native Iron	Fe
Fe	ⓘ Native Iron var. Kamacite	(Fe,Ni)
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Riebeckite	◻[Na₂][Fe₃²⁺Fe₂³⁺]Si₈O₂₂(OH)₂
Fe	ⓘ Taenite	(Fe,Ni)
Fe	ⓘ Troilite	FeS
Fe	ⓘ Fayalite-Forsterite Series
Ni	Nickel
Ni	ⓘ Native Iron var. Kamacite	(Fe,Ni)
Ni	ⓘ Taenite	(Fe,Ni)

Fossils

There are 11 fossil localities from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences

Youngest Fossil Listed

0.01 Ma (Pleistocene)

Oldest Fossil Listed

247 Ma (Early/Lower Triassic)

Stratigraphic Units

Unit	No. Occurrences	Age
Pemba	4	15.97 - 13.65 Ma (Miocene)
Pemba - Chake-Chake	3	23.03 - 11.608 Ma (Miocene)
Carcar	1	48.6 - 37.2 Ma (Eocene)

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Acropora genus	Animalia : Cnidaria : Anthozoa : *Acropora*	0.126 - 0.0117 Ma Pleistocene
Favia genus	Animalia : Cnidaria : Anthozoa : Scleractinia : Faviidae : *Favia*	0.126 - 0.0117 Ma Pleistocene
Favites genus	Animalia : Cnidaria : Anthozoa : Scleractinia : Merulinidae : *Favites*	0.126 - 0.0117 Ma Pleistocene
Galaxea genus	Animalia : Cnidaria : Anthozoa : Scleractinia : Euphylliidae : *Galaxea*	0.126 - 0.0117 Ma Pleistocene
Goniopora genus	Animalia : Cnidaria : Anthozoa : Scleractinia : Poritidae : *Goniopora*	0.126 - 0.0117 Ma Pleistocene
Lobophyllia genus	Animalia : Cnidaria : Anthozoa : Scleractinia : Lobophylliidae : *Lobophyllia*	0.126 - 0.0117 Ma Pleistocene
Porites genus	Animalia : Cnidaria : Anthozoa : Scleractinia : Poritidae : *Porites*	0.126 - 0.0117 Ma Pleistocene
Neogondolella genus	Animalia : Chordata : Conodonta : Ozarkodinida : *Neogondolella*	247.2 - 242 Ma Triassic
Sirenia family	Animalia : Chordata : Mammalia : Sirenia	23.03 - 11.608 Ma Miocene
Trionychidae family	Animalia : Chordata : Reptilia : Testudines : Trionychidae	15.97 - 13.65 Ma Miocene
Crocodylidae family	Animalia : Chordata : Reptilia : Crocodylia : Crocodylidae	23.03 - 11.608 Ma Miocene
Canthumeryx genus	Animalia : Chordata : Mammalia : Artiodactyla : Giraffidae : *Canthumeryx*	23.03 - 11.608 Ma Miocene
Indopacetus pacificus species	Animalia : Chordata : Mammalia : Cetacea : Ziphiidae : Indopacetus : *Indopacetus pacificus*	0.0117 - 0 Ma Quaternary
Budurovignathus genus	Animalia : Chordata : Conodonta : Conodontophorida : *Budurovignathus*	242 - 235 Ma Triassic
Dielasmatidae family	Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Dielasmatidae	242 - 235 Ma Triassic
Prototherium genus	Animalia : Chordata : Mammalia : Sirenia : Dugongidae : *Prototherium*	48.6 - 37.2 Ma Eocene
Spirigerellina stoliczkai species	Animalia : Brachiopoda : Rhynchonellata : Athyridida : Diplospirellidae : Spirigerellina : *Spirigerellina stoliczkai*	247.2 - 235 Ma Triassic
Nudirostralina mutabilis species	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Norellidae : Nudirostralina : *Nudirostralina mutabilis*	247.2 - 235 Ma Triassic
Koeveskallina koeveskalyensis species	Animalia : Brachiopoda : Rhynchonellata : Spiriferinida : Mentzeliidae : Koeveskallina : *Koeveskallina koeveskalyensis*	247.2 - 242 Ma Triassic
Paragondolella genus	Animalia : Chordata : Conodonta : *Paragondolella*	247.2 - 242 Ma Triassic
Lepismatina lilangensis species	Animalia : Brachiopoda : Rhynchonellata : Spiriferinida : Lepismatinidae : Lepismatina : *Lepismatina lilangensis*	247.2 - 242 Ma Triassic
Adygella socotrana species	Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Dielasmatidae : Adygella : *Adygella socotrana*	247.2 - 242 Ma Triassic
Libycochoerus massai species	Animalia : Chordata : Mammalia : Artiodactyla : Suidae : Libycochoerus : *Libycochoerus massai*	15.97 - 13.65 Ma Miocene
Neogondolella cornuta species	Animalia : Chordata : Conodonta : Ozarkodinida : Neogondolella : *Neogondolella cornuta*	247.2 - 242 Ma Triassic
Neogondolella longa species	Animalia : Chordata : Conodonta : Ozarkodinida : Neogondolella : *Neogondolella longa*	247.2 - 242 Ma Triassic
Neogondolella excentrica species	Animalia : Chordata : Conodonta : Ozarkodinida : Neogondolella : *Neogondolella excentrica*	247.2 - 242 Ma Triassic
Paragondolella bulgarica species	Animalia : Chordata : Conodonta : Paragondolella : *Paragondolella bulgarica*	247.2 - 242 Ma Triassic
Paragondolella excelsa species	Animalia : Chordata : Conodonta : Paragondolella : *Paragondolella excelsa*	247.2 - 242 Ma Triassic

Fossil Localities

Click to show 10 fossil localities

Somalia

Eocene🐚 Mogadishu
Pleistocene🐚 Mogadishu coast
Jubaland Autonomous Region
- Lower Juba Region (Jubbada Hoose Gobol)
  - Pleistocene🐚 Kisimayo

Tanzania

Miocene🐚 Chwaka
Miocene🐚 Weti

Yemen

Aden Governorate
- Socotra Island
  - Triassic🐚 RMA37
  - Triassic🐚 RMA58
  - Triassic🐚 RMA71
  - Triassic🐚 RMA80
  - Triassic🐚 RMA85bis

Localities in this Region

Somalia

Lower Shabelle Region
- Ergheo meteorite

Yemen

Socotra Governorate
- Wadi Keregnidi
- Wadi Sjahi

Other Regions, Features and Areas that Intersect

AfricaContinent

African Plate

Mogadishu-Somali Coastal basinBasin
Southern Gulf of Aden basinBasin

Somali PlateTectonic Plate

Yemen

Aden Governorate
- Socotra IslandIsland

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.

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Mineral List

Rock Types Recorded

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Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Fossils

Localities in this Region

Other Regions, Features and Areas that Intersect

Somali Margin, Somali Plate i
Regional Level Types
Somali Margin Passive Margin
Somali Plate Tectonic Plate