manicouagan

Africa

Image Map error Bosumtwi Aouelloul Tenoumer Ouarkziz Talemzane Tin Bider Amguid Aorounga Gweni-Fada Kamil Oasis B. P. Structure Luizi Kgagodi Tswaing Vredefort Kalkkop Roter Kamm Morokweng

Click on any crater.

 
Crater Name
Location
Latitude
Longitude
Diameter (km)
Age (Ma)*
Exposed
Drilled
Target Rock**
Bolide Type***
Morocco
N 31°59'
W 5°30'
-
0.105
Y
N
S
-
Algeria
N 26° 5'
E 4° 23'
0.45
< 0.1
Y
N
S
-
Chad
N 19° 6'
E 19° 15'
12.6
< 345
Y
N
S
-
Mauritania
N 20° 15'
W 12° 41'
0.39
3.0 ± 0.3
Y
N
S
Iron (IIIB, IIID?)
Ghana
N 6° 30'
W 1° 25'
10.5
1.07
Y
N
C-Ms
Chondrite? Iron?
Libya
N 25° 19'
E 24° 20'
2
<120
Y
N
S
-
Chad
N 17° 25'
E 21° 45'
14
< 345
Y
N
S
-
South Africa
S 32° 43'
E 24° 26'
0.64
0.25 ± 0.05
Y
Y
S
-
Egypt
N 22°01'
E 26°05'
0.045
-
Y
N
S
Iron
Botswana
S 22° 29'
E 27° 35'
3.5
< 180
Y
Y
S
-
DRCongo
S 10° 10'
E 28° 00'
17
< 573
Y
N
S
-
South Africa
S 26° 28'
E 23° 32'
70
145.0 ± 0.8
N
Y
C
Chondrite
Libya
N 24° 35'
E 24° 24'
18
< 120
Y
N
S
-
Algeria
N 29° 0'
W 7° 33'
3.5
< 70
Y
N
S
-
Namibia
S 27° 46'
E 16° 18'
2.5
3.7 ± 0.3
Y
N
C
-
Algeria
N 33° 19'
E 4° 2'
1.75
< 3
N
Y
S
-
Mauritania
N 22° 55'
W 10° 24'
1.9
0.0214 ± 0.0097
Y
N
M
-
Algeria
N 27° 36'
E 5° 7'
6
< 70
Y
N
S
-
South Africa
S 25° 24'
E 28° 5'
1.13
0.220 ± 0.052
Y
Y
C
Chondrite
South Africa
S 27° 0'
E 27° 30'
160****
2023 ± 4
Y
Y
M
Chondrite

* 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 - Metasedimentary 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)