Ivory Coast strewn field - Impact Deposit

Alternate Names Ivory Coast microtektite strewn field
Coordinates 4° 0' 0" N; 7° 17' 24" W
Notes
  1. Tektite strewn field is located in Côte d\'Ivoire, spread over a 40km radius around Ouellé (coordinates are for the city Ouellé). There are microtektites from the same strewn field located in the Atlantic ocean (Glass 1968; Glass, 1990; Glass et al., 1991)
Country Côte d'Ivoire

Related Countries :
  1. Côte d'Ivoire
Region Ouellé
Date Confirmed 1934
Notes
  1. (Lacroix, 1934)
Age (Ma) 1.07 ± 0.05
Notes :
  1. Koeberl et al., 1997

Method :
  1. 40Ar-39Ar
Impactor Type Chondrite
Notes
  1. Koeberl et al., 2007

Advanced Data Fields

Notes

Local Language
N/A
Spherules
Unknown
Tektites
Yes
Indivudual Glass Clasts
Unknown
Source Crater
Bosumtwi crater in Ghana
  1. Tektites and crater are same age and have same chemical composition (Koeberl et al., 1997)
Geology
Occurs in Jaramillo magnetic event
  1. Most glass objects in this area are spherical and the rest are oval, disc, or dumbbell-shaped. Most are <1 mm in diameter but some are up to 1.2 mm long. Most glassy objects are brown to green, the rest are yellow-green, dark brown, black, and some are colourless (Glass, 1968)
Other Shock Metamorphism
Unknown
Shatter Cones
No
Planar Fractures
No
Planar Deformation Features
No
Diaplectic Glass
No
Coesite
No
Stisovite
No

References

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A Lacroix (1934) Sur la découverte de tectites à la Côte d’Ivoire, Comptes Rendus Academie des Sciences, Paris 199, p. 1539-1542

B P Glass (1968) Glassy objects (microtektites?) from deep-sea sediments near the Ivory Coast, Science 161(3844), p. 891-893, url

B P Glass (1990) Tektites and microtektites: Key facts and inferences, Tectonophysics 171, p. 393-404, url

B P Glass, D V Kent, D A Schneider, L Tauxe (1991) Ivory Coast microtektite strewn field: Description and relation to the Jaramillo geomagnetic event, Earth and Planetary Science Letters 107(1), p. 182-196, Elsevier, url, doi:10.1016/0012-821X(91)90054-L

Christian Koeberl, Richard Bottomley, Billy P Glass, Dieter Storzer (1997) Geochemistry and age of Ivory Coast tektites and microtektites, Geochimica et Cosmochimica Acta 61(8), p. 1745-1772, url, doi:https://doi.org/10.1016/S0016-7037(97)00026-4

C Koeberl, A Shukolyukov, G W Lugmair (2007) Chromium isotopic studies of terrestrial impact craters: Identification of meteoritic components at Bosumtwi, Clearwater East, Lappajärvi, and Rochechouart, Earth and Planetary Science Letters 256(3-4), p. 534-546, Elsevier, url, doi:10.1016/j.epsl.2007.02.008

Pierre-Marie Zanetta, Anne-Magali Seydoux-Guillaume, Pierre Rochette, Bruno Reynard, Victor Tricaud, Petanki Soro, Southone Singsoupho, Alain Nicaise Kouamelan, Obrou Monda, David Baratoux (2024) Origin of the Ca-phosphate inclusions in Ivory Coast and Australasian Muong-Nong-type tektites, Geochimica et Cosmochimica Acta 387, p. 63-82, url, doi:https://doi.org/10.1016/j.gca.2024.09.021