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| Africa | Asia & Russia | Australia | Europe | North America | South America |

Earth Impact Database Sorted by : | Age | Diameter | Name |
Africa
Place mouse over site to view name
Africa Kalkkop Roter Kamm Morokweng Vredefort Tswaing Kgagodi Bosumtwi Aouelloul Tenoumer Ouarkziz Talemzane Tin Bider B.P. Structure Oasis Aorounga Qweni Fada
*For more exact coordinates please consult the database.
Crater Name
Location
Latitude
Longitude
Diameter (km)
Age (Ma)*
Exposed
Drilled
Target Rock**
Google Maps Links
Bolide Type***
Amguid
Algeria
N 26° 5'
E 4° 23'
0.45
< 0.1
Y
N
S
Go
-
Aorounga
Chad
N 19° 6'
E 19° 15'
12.60
< 345
Y
N
S
Go
-
Aouelloul
Mauritania
N 20° 15'
W 12° 41'
0.39
3.0 ± 0.3
Y
N
S
Go
Iron (IIIB, IIID?)
B.P. Structure
Libya
N 25° 19'
E 24° 20'
2.00
< 120
Y
N
S
Go
-
Bosumtwi
Ghana
N 6° 30'
W 1° 25'
10.50
1.07
Y
N
C-Ms
Go
Chondrite? Iron?
Gweni-Fada
Chad, Africa
N 17° 25'
E 21° 45'
14.00
< 345
Y
N
S
Go
-
Kalkkop
South Africa
S 32° 43'
E 24° 26'
0.64
0.250 ± 0.050
Y
Y
S
Go
-
Kgagodi
Botswana
S 22° 29'
E 27° 35'
3.5
< 180
Y
Y
C
Go
-
Morokweng
South Africa
S 26° 28'
E 23° 32'
70.00
145.0 ± 0.8
N
Y
C
Go
Chondrite
Oasis
Libya
N 24° 35'
E 24° 24'
18.00
< 120
Y
N
S
Go
-
Ouarkziz
Algeria
N 29° 0'
W 7° 33'
3.50
< 70
Y
N
S
Go
-
Roter Kamm
Namibia
S 27° 46'
E 16° 18'
2.50
3.7 ± 0.3
Y
N
C
Go
-
Talemzane
Algeria
N 33° 19'
E 4° 2'
1.75
< 3
N
Y
S
Go
-
Tenoumer
Mauritania
N 22° 55'
W 10° 24'
1.90
0.0214 ± 0.0097
Y
N
M
Go
-
Tin Bider
Algeria
N 27° 36'
E 5° 7'
6.00
< 70
Y
N
S
Go
-
Tswaing (formerly Pretoria Saltpan)
South Africa
S 25° 24'
E 28° 5'
1.13
0.220 ± 0.052
Y
Y
C
Go
Chondrite
Vredefort
South Africa
S 27° 0'
E 27° 30'
300.00
2023 ± 4
Y
Y
M
Go
Chondrite

Africa Map from http://www.worldcountries.info/

* pre-1977 K-Ar, Ar-Ar and Rb-Sr ages recalculated using the decay constants of Steiger and Jager (1977) Ages in millions of years (Ma) before present.

** Abbreviations: C - Crystalline Target; C-Ms - Metasedimetary Target; M - Mixed Target (i.e.sedimentary strata overlying crystalline basement); S - sedimentary target (i.e. no crystalline rocks affected by the impact event). From Osinski. G. R., Spray J. G., and Grieve R. A. F. 2007. Impact melting in sedimentary target rocks: A synthesis. In The Sedimentary Record of Meteorite Impacts, Geological Society of America Special Paper. Editors: Evans K. Horton W., King D., Morrow J., and Warme J. Geological Society of America: Boulder, in press.

*** From Koeberl,C. Identification of meteoritic components in impactites. 1998, Koeberl, C. The Geochemistry and Cosmochemistry of Impacts. 2007 and PASSC Files. (IAB, IIIAB, IIIB, IIID - Iron Meteorite)


| Africa | Asia | Australia | Europe | North America | South America |

Earth Impact Database Sorted by : | Age | Diameter | Name |

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PASSC Director: John Spray
Data Manager

Last updated May 18, 2010

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