Let us help.. find th 40KM Rock and its effects.....oh my....
Saint Martin
Crater Name Saint Martin
Location Manitoba
Latitude N51 47'
Longitude w98 32'
Diameter (km) 40
Age (Ma)* 220
Exposed N
Drilled Y
Target Rock**
Bolide Type***
-
Map
Map
References
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Clark, J. F., Magnetic survey data at meteoritic impact sites in North America. Geomagnetic Service of Canada, Earth Physics Branch Open File # 83-5, 30 p. 1983.
Coles, R. L., Clark, J. F., Lake St. Martin impact structure, Manitoba, Canada: Magnetic anomalies and magnetizations. Journal of Geophysical Research, v. 87, pp. 7087-7095. 1982.
Currie, K. L., Lake St. Martin structure, Manitoba (62 O) (abstract). Geological Survey of Canada, Department of Energy, Mines and Resources, Paper 70-1, Part A, p. 111. 1969.
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Desbarats, A.J., On elevated fluoride and boron concentrations in groundwaters associated with the Lake Saint-Martin impact structure, Manitoba, Applied Geochemistry, v. 24, pp. 915-927, 2009
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