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Detailed examination of iron meteorites and impact generated carbonaceous spherules associated with the Whitecourt Meteorite Impact Crater, Alberta, Canada
DownloadSpring 2014
The impact of an iron meteorite <1100 years ago near Whitecourt, Alberta, Canada formed a crater 36 m in diameter. The impacting body fragmented upon impact, scattering thousands of shrapnel-shaped fragments around the crater. Internal examination of the fragments reveal that the mineralogy is...
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Wellbore seismic and core sample measurement analysis: integrated geophysical study of the Lake Bosumtwi impact structure, Ghana
DownloadFall 2009
Wellbore seismic measurements were recorded in the Lake Bosumtwi impact structure, Ghana, in 2004. A full range of petrophysical measurements were also performed in the laboratory on core samples from the same boreholes. The Vertical Seismic Profile shows low velocities for both P and S waves in...