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

Bosumtwi

Crater Name
Location
Latitude
Longitude
Diameter (km)
Age (Ma)*
Exposed
Drilled
Target Rock
Bolide Type***
Bosumtwi
Ghana
N 6° 30'
W 1° 25'
10.5
1.07
Y
N
C-Ms
L Chondrite

 


Ground view looking to the South-East from Abono Ridge (Sept 2004).
Image supplied by Alex Deutsch. Click for larger image.


Aster Image - courtest Jeff Plescia


Landsat Thematic Mapper - Overview


Landsat Thematic Mapper - Detail

Image Provided by Dr. Carlos Roberto de Souza Filho

Image Provided by Dr. Carlos Roberto de Souza Filho

Image Provided by Dr. Carlos Roberto de Souza Filho

References

1. Ahulu, S. T., Overview of Bosumtwi crater, Ghana (abstract). Large Meteorite Impacts and Planetary Evolution,. 1997.

2. Bampo, S. O., Kumasi conference on the Lake Bosumtwi crater. Nature, v. 198, pp. 1150-1151. 1963.

3. Bartrum, C. O., Meteorite craters in Arabia and Ashanti. British Astronomical Journal, v. 42, pp. 398-399. 1932.

4. Blenkinsop, T. G., Microstructures in Suevite from the Bosumtwi Impact, Ghana, Meteoritics; vol. 34, No. 4, Supp. p. A13. 1999.

5. Boamah, D., Koeberl, C., Petrographic studies of "fallout" suevite from outside the Bosumtwi impact structure, Ghana, Meteoritics & Planetary Science 41, Nr 11, P. 1761 - 1774. 2006.

6. Boamah, D., Koeberl, C., Geology and geochemistry of shallow drill cores from the Bosumtwi impact structure, Ghana, Meteoritics & Planetary Science 38, Nr 8, 1137 - 1159. 2003.

7. Boamah, D., Koeberl, C., Geochemistry of soils from the Bosumtwi impact structure, Ghana, and relationship to radiometric airborne geophysical data, Meteorite Imapcts in Precambrian Shields (eds. J. Plado and L. Pesonsen). Impact Studies, v. 2, p. 211-255. Springer, Heidelberg-Berlin. 2002.

8. Boamah, D., Koeberl, C., Shallow Drilling Around the Bosumtwi Crater, Ghana: Preliminary Results, Meteoritics; vol. 34, No. 4, Supp. p. A13-4. 1999.

9. Castaño, J. R., Clement, J.H., Kuykendall, M.D. and Sharpton,V.L., Source-rock potential of impact craters. Ames Structure in Northwest Oklahoma and Similar Features: Origin and Petroleum Production (1995 Symposium), K. S. Johnson and J. A. Campbell, Oklahoma Geological Survey, Norman, Oklahoma, v. Circular 100, pp. 100-103. 1997.

10. Chamberlain, C. P., Blum, J.D. and Koeberl,C., Oxygen isotopes as tracers of tektite source rocks: An example from the Ivory Coast tektites and Lake Bosumtwi crater (abstract). Lunar and Planetary Science XXIV, pp. 267-268. 1993.

11. Chao, E. C. T., Pressure and temperature histories of impact-metamorphosed rocks based on petrographic observations. In: French, B.M. and Short, N.M., eds., Shock Metamorphism of Natural Materials, Mono Book Corp., Baltimore, MD, pp. 135-158. 1968.

12. Cockell, C. S., Lee, P., The Biology of Impact Craters - a review. Biol. Rev., 77, P. 279 - 310. 2002.

13. Dabizha, A. I., Fel'dman, V. I., The geophysical properties of some astroblemes in the USSR (in Russian). Meteoritika, v. 40, pp. 91-101. 1982.

14. Dabizha, A. I., Ivanov, B. A., A geophysical model of the structure of meteorite craters and some problems of the mechanics of crater formation (in Russian). Meteoritika, v. 37, pp. 160-167. 1978.

15. Dai, X., Boamah, D. , Koeberl, C. , Reimold, W. U. , Irvine, G. and McDonald, I., Bosumtwi impact structure, Ghana: Geochemistry of impactites and target rocks, and search for a meteoritic component, Meteoritics & Planetary Science 40, Nr 9/10, P. 1493 - 1511. 2005.

16. El Goresy, A., The opaque minerals in impactite glasses. French, B.M. and Short, N.M., eds., Shock Metamorphism of Natural Materials, Mono Book Corp., Baltimore, MD, pp. 531-554. 1968.

17. El Goresy, A., Metallic spherules in Bosumtwi crater glasses. Earth and Planetary Science Letters, v. 1, pp. 23-24. 1966.

18. El Goresy, A., Ore mineralogy of the Ries-and Bosumtwi-crater-glasses and their genetic interpretation. Geochimica et Cosmochimica Acta, v. 28, pp. 23-24. 1964.

19. Faul, H., Tektites are terrestrial. Science, v. 152, pp. 1341-1345. 1966.

20. Garvin, J. B., Grieve, R.A.F. and Schnetzler,C.C., Satellite remote sensing signatures of impact structures (abstract). Meteoritics, v. 30, pp. 509. 1995.

21. Gentner, W., Kleinmann, B. and Wagner,G.A., New K-Ar & fission track ages of impact glasses & tektites, glasses of the Nordingen Ries (West Germany), Bosumtwi (Ghana), & other natural glasses (in Russian), Meteoritika, v. 27, pp. 151-152. 1967.

22. Gentner, W., Lippolt, H.J. and Muller,O., The potassium-argon age of the Bosumtwi crater in Ghana and the chemical composition of its glasses (in German). Zeitschrift fur Naturforschung, v. 19a, pp. 150-153. 1964.

23. Glass, B. P., Bottle-green microtektites. Journal of Geophysical Research, v. 77, pp. 7057-7064. 1972.

24. Grieve, R. A. F., The record of impact on Earth: Implications for a major Cretaceous/Tertiary impact event. Geological Society of America, Special Paper 190, pp. 25-37. 1982.

25. Gurov, E. P., Gurova, E. P., Impact structures on the Earth's surface (in Russian). Geologicheskii Zhurnal, v. 47, pp. 117-124. 1987.

26. Hörz, F., Ostertag, R and Rainey,D A., Bunte breccia of the Ries: Continuous deposits of large impact craters. Reviews of Geophysics and Space Physics, v. 21, pp. 1667-1725. 1983.

27. Jones, G. H. S., Diehl, C. H. H., A scale model of the Bosomtwi crater (abstract). Astronomical Journal, v. 70, p. 324. 1965.

28. Jones, W. B., Chemical analyses of Bosumtwi crater target rocks compared with the Ivory Coast tektites. Geochimica et Cosmochimica Acta, v. 49, pp. 2569-2576. 1985.

29. Jones, W. B., The origin of the Bosumtwi crater, Ghana - an historical review. Proceedings of the Geological Association, v. 96, pp. 275-284. 1985.

30. Jones, W. B., A proposed gas pool in the Pleistocene Bosumtwi impact crater, Ghana. Journal of Petroleum Geology, v. 5, pp. 315-318. 1983.

31. Jones, W. B., Bacon, M. and Hastings,D.A., The Lake Bosumtwi impact crater, Ghana. Geological Society of America Bulletin, v. 92, pp. 342-349. 1981.

32. Junner, N. R., The geology of the Bosumtwi caldera and surrounding country. Gold Coast Geological Survey Bulletin, v. 8, pp. 5-38. 1937.

33. Karp, T., Artemieva, N., Milkereit., Pre-Dilling investigation of the Lake Bostumtwi Impact Crater: Constraints from Geophysics and Numerical Modelling, Lunar and Planetary Science XXXV. 2004.

34. Karp, T., Milkereit, B., Seismic and numerical modeling of the Lake Bosumtwi impact crater, Workshop on Impact Cratering. 2003.

35. Karp, T., Milkereit, B., Janle, P., Danuor, S.K., Pohl, J., Berckhemer, H., Scholz,A., Seismic investigation of the Lake Bosumtwi impact crater: preliminary results, Planetary and Space Science, v.50, p.735-743. 2002.

36. Koeberl, C., Chromium isotopic studies of terrestrial impact craters: Identification of meteoritic components at Bosumtwi, Clearwater East, Lappajarvi, and Rochechouart, Earth and Planetary Science Letters, 256, P. 534 - 546. 2007.

37. Koeberl, C., Milkereit, B., Continental Drilling and the Study of Impact Craters and Processes - an ICDP Perspective, In: Continental Scientific Drilling (eds. Harms, U., Koeberl, C., and Zoback, M.D.), Springer, Heidelberg, p. 95-161. 2007.

38. Koeberl, C., Continental scientific drilling and the study of terrestrial impact craters, First International Conference on Impact Cratering in the Solar System. 2006.

39. Koeberl, C., Reimold, W. U., Bosumtwi Impact Crater: An Updated and Revised Geological Map, with Explanations. Jahrbuch der Geologischen Bundesanstalt, P. 31 - 70. 2005.

40. Koeberl, C., Shukolyukov, A., Lugmair., An ordinary chondrite impactor compostion for the Bosumtwi Impact Structure, Ghana, West Africa: Discussion of Siderophile Element Contents and Os and Cr Isotope Data, Lunar and Planetary Science XXXV. 2004.

41. Koeberl, C., McDonald, I., Reimold., Extraterrestrial Component in Impact Breccia at the Bosumtwi Impact Structure, Ghana, Meteoritics; vol. 34, No. 4, Supp. p. A66. 1999.

42. Koeberl, C., Reimold, W.U., Blum, J.D. and Chamberlain,C.P., Petrology and geochemistry of target rocks from the Bosumtwi impact structure, Ghana, and comparison with Ivory Coast tektites, Geochimica et Cosmochimica Acta, Vol. 62 (12), pp. 2179-2196. 1998.

43. Koeberl, C., Pesonen, L., Ojamo, H., Hautaniemi, H., Elo, S., Plado,J., Aerogeophysical studies of the Bosumtwi Impact Structure, Ghana, 1998 GSA Annual Meeting, Toronto, Ontario. Abstract No. 50163. 1998.

44. Koeberl, C., Reimold, W.U., Pesonen, L.J. and Brandt,D., New studies of the Bosumtwi impact structure, Ghana: The 1997 field season (abstract). Meteoritics & Planetary Science, v. 32, Supplement, pp. A72-A73. 1997.

45. Koeberl, C., Reimold, W. U., Lake Bosumtwi, Ghana, impact structure: Petrography and geochemistry of target rocks (abstract). Meteoritics & Planetary Science, v. 31, p. A72. 1996.

46. Koeberl, C., African meteorite impact craters: Characteristics and geological importance. Journal of African Sciences, v. 18, pp. 263-295. 1994.

47. Koeberl, C., Shirey, S. B., Detection of a meteoritic component in Ivory Coast tektites with rhenium-osmium isotopes. Science, v. 261, pp. 595-598. 1993.

48. Koeberl, C., Bottomley, R.J., Glass, B.P., Storzer, D. and York,D., Geochemistry and age of Ivory Coast tektites. 52nd Meteorological Society, pp. 115. 1989.

49. Koerberl, C., Bottomley, R. Glass, B. P. Storzer,D., Geochemistry and age of Ivory Caost tektites and microtektites, Geochimica et Cosmochimica Acta 61, p.1745-1772. 1997.

50. Kolbe, P., Pinson, W.H. Jr., Saul, J.M. and Miller,E.W., Rb-Sr study on country rocks of the Bosumtwi crater, Ghana. Geochimica et Cosmochimica Acta, v. 31, pp. 869-875. 1967.

51. Littler, J., Fahey, J.J., Dietz, R.S. and Chao,E.C.T., Coesite from the Lake Bosumtwi crater, Ashanti, Ghana (abstract). Geological Society of America Special Paper 68, pp. 218. 1962.

52. MacClaren, M., Lake Bosumtwi, Ashanti. Geographical Journal, v. 78, pp. 270-276. 1931.

53. Masaitis, V. L., Danilin, A.N., Maschak, M.S., Raykhlin, A.I., Selivanovskaya, T.V. and Shadenkov,Ye.M., The Geology of Astroblemes (in Russian). Leningrad, Nedra, 231 p. 1980.

54. McGregor, D. P., Results of a hydrographic survey of Lake Bosumtwi. Gold Coast Geological Survey, Bulletin 8, pp. 39-46. 1937.

55. Meisel, T., Koeberl, C., Siderophile elements in selected impact glasses and melts and the possibility of determining the composition of the impactor. Meteoritics, v. 25, pp. 385. 1990.

56. Palme, H., Janssens, M.J., Takahashi, H. anders, E. and Hertogen,J., Meteoritic material at five large impact craters. Geochimica et Cosmochimica Acta, v. 42, pp. 313-323. 1978.

57. Palme, H., Wolf, R. and Grieve,R.A.F., New data on meteoritic material at terrestrial impact craters (abstract). Lunar and Planetary Science IX, pp. 856-858. 1978.

58. Pesonen, L. J., Koeberl, C. , Hautaniemi, H., Airborne Geophysical Survey of the Lake Bosumtwi Meteorite Impact Structure (Southern Ghana) - Geophysical Maps with Descriptions, Jahrbuch der Geologischen Bundesanstalt (Vienna) 143, P. 581-604. 2003.

59. Plado, J., Pesonen, L.J., Koeberl, C. and Elo,S., The Bosumtwi meteorite impact structure, Ghana: A magnetic model, Meteoritics & Planetary Science, v. 35, pp. 723-733. 2000.

60. Rampino, M. R., Koeberl, C., Comparison of Bosumtwi Impact Crater (Ghana) and Crater Lake Volcanic Caldera (Oregon, USA): Implications for Biotic Recovery after Catastrophic Events, Impact Studies, Vol. 8, Springer, Heidelberg, P. 101-120. 2006.

61. Reimold, W. U., Branst, D. , Koeberl, C., Detailed Structural Analysis of the Rim of a Large, Complex Impact Crater: Botsumtwi Crater, Ghana, Geology; June 1998; v. 26; no. 6; p. 543-6. 1998.

62. Reimold, W. U., Brandt, D., Koeberl., Geological Studies at lake Bosumtwi Impact Crater, Ghana, Meteoritics; vol. 32, no. 4, Supp. p. A107. 1997.

63. Rohleder, H. P. T., Lake Bosumtwi, Ashanti. Geographical Journal (London), v. 87, pp. 51-65. 1936.

64. Rohleder, H. P. T., Geologie und Plaeontologie (in German), Abt. A., no. 10, pp. 316-318. 1934.

65. Rybach, L., Adams, J. A. S., The radioactivity of the Ivory Coast tektites and the formation of the Bosumtwi Crater (Ghana). Geochimica et Cosmochimica Acta, v. 33, pp. 1101-1102. 1969.

66. Rybach, L., Adams, J. A. S., U, Th and K in rocks from the Bosumtwi crater (Ghana) and in the Ivory Coast tektites. Bulletin Volcanologique, v. 32, pp. 477-479. 1969.

67. Saul, J. M., Field investigations at Lake Bosumtwi (Ghana) and in the Ivory Coast strewnfield. Oehser, P.H., ed., National Geographic Society Research Reports, pp. 201-212. 1969.

68. Schnetzler, C. C., Philpotts, J.A. and Thomas,H.H., Rare-earth and barium abundances in Ivory Coast tektites and rocks from the Bosumtwi crater area, Ghana. Geochimica et Cosmochimica Acta, v. 31, pp. 1987-1993. 1967.

69. Schnetzler, C. C., Philpotts, J.A. and Thomas,H.H., Trace element data on Ivory Coast tektites and rocks from the Bosumtwi crater, Ghana (abstract). Meteoritics, v. 3, p. 123. 1967.

70. Schnetzler, C. C., Pinson, W.H. Jr. and Hurley,P.M., Rubidium-strontium age of the Bosumtwi crater area, Ghana, compared with the age of the Ivory Coast tektites. Science, v. 151, pp. 817-819. 1966.

71. Scholz, C. A., Karp, T., Brooks, K.M., Milkereit, B., Amoako, P.Y.O., Arko,J.A., Pronounced uplift identified in the Bosumtwi impact structure, Ghana, using multichannel seismic reflection data, Geology, v.30, n.10, p.939-942. 2002.

72. Smit, A. F. J., Origin of Lake Bosumtwi (Ghana). Nature, v. 203, pp. 179-180. 1964.

73. Storzer, D., Delibrias, G., Fission-track dating of meteorite impacts. Meteoritics, v. 12, pp. 368-369. 1977.

74. Storzer, D., Fission track dating of some impact craters in the age range between 6,000y and 300 m.y. (abstract). Meteoritics, v. 6, p. 319-320. 1971.

75. Talbot, M. R., Delibrias, G., A new late Pleistocene-Holocene water-level curve for Lake Bosumtwi, Ghana. Earth and Planetary Science Letters, v. 47, pp. 336-344. 1980.

76. Talbot, M. R., Delibrias, G., Holocene variations in the level of Lake Bosumtwi, Ghana. Nature, v. 268, pp. 722-724. 1977.

77. Taylor, H. P. Jr., Epstein, S., Oxygen isotope studies of Ivory Coast tektites and impactite glass from the Bosumtwi crater, Ghana. Science, v. 153, pp. 173-175. 1966.

78. Tsikalas, F., Faleide, J. I., Reconstruction of the Original Impact-Crater Relief for Mjolnir, Chicxulub and Bosumtwi Impact Craters Reveals Suprisingly Shallow Structures: Did We Miss Something? Lunar and Planetary Science XXXVIII (1014.pdf). 2007.

79. Zotkin, I. T., "Moon" craters on the Earth (in Russian). Priroda, v. 9, pp. 95-105. 1969.

 

 

 

 

 

* 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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