Abstract
The Bosumtwi impact structure, located in Ghana, West Africa, is a well-preserved, complex, young impact structure, with a pronounced rim and small central uplift. The structure has a rim-to-rim diameter of about 10.5 km. The crater, only 1.07 Myr old, was excavated in lower greenschist facies metasediments of the 2.1–2.2 Gyr Birimian Supergroup and is now filled almost entirely by Lake Bosumtwi of 8 km diameter.
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Reference
Ferrière, L., Koeberl, C., Ivanov, B. A., & Reimold, W. U. (2008). Shock metamorphism of bosumtwi impact crater rocks, shock attenuation, and uplift formation. Science, 322, 1678–1681.
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Di Martino, M., Coletta, A., Battagliere, M.L., Virelli, M. (2019). Bosumtwi, Ghana. In: Flamini, E., Di Martino, M., Coletta, A. (eds) Encyclopedic Atlas of Terrestrial Impact Craters. Springer, Cham. https://doi.org/10.1007/978-3-030-05451-9_11
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DOI: https://doi.org/10.1007/978-3-030-05451-9_11
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