The 10.5 -km-diameter, 1.07-Ma Bosumtwi impact crater was the subject of a multi-disciplinary and international drilling effort of the International Continental Scientific Drilling Program (ICDP) from July to October 2004. Sixteen different holes were drilled at six locations within the lake, to a maximum depth of 540 m. A total of about 2.2 km of core material was obtained. Despite some technical and logistical challenges, the project has been very successful and it is anticipated that the first scientific results will be available in late 2005.
Bibliographical noteFunding Information:
This work was supported by the International Continental Scientific Drilling Program (ICDP), the U.S. National Science Foundation-Earth System History Program under Grant No. ATM-0402010, the Austrian National Science Foundation (project P17194-N10), the Austrian Academy of Sciences, and the Canadian National Science Foundation. We are particularly grateful to the Geological Survey Department of Ghana (P. Amoako, Director) and the University of Kumasi (A. Menyeh, Dean) for logistical support, and to DOSECC (D. Nielson, President) for opera-tional support. Also we appreciate that the project would not have succeeded without the hard work of a dedicated group of DOSECC drillers, the Kilindi captain, local Ghanaian scientists, students, and workers, and a group of international scientists. We also would like to acknowledge the support and hard work of the ICDP operational support group, in particular U. Harms, T. Wöhrl, and J. Kück
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