Newporte
| Crater Name | Location | Latitude | Longitude | Diameter (km) | Age (Ma) | Exposed | Drilled | Target Rock** | Bolide Type*** |
|---|---|---|---|---|---|---|---|---|---|
| Newporte | North Dakota, U.S.A. | N 48° 58' | W 101° 58' | 3.2 | < 500 | N | Y | M | - |
References |
Brown D.E., Confidential - Anomalous features observed N.E. of Sturgeon Lake, Alberta, 1981. |
Castaño, J. R., Clement, J.H., Kuykendall, M.D. and Sharpton,V.L., Source-rock potential of impact craters. Ames Structure in Northwest Oklahoma and Similar Features: Origin and Petroleum Production (1995 Symposium), K. S. Johnson and J. A. Campbell, Oklahoma Geological Survey, Norman, Oklahoma, v. Circular 100, pp. 100-103. 1997. |
Clement, J. H., Mayhew, T. E., Newporte discovery opens new pay. Oil and Gas Journal, pp. 165-172. 1979. |
Donofrio, R. R., Survey of hydrocarbon-producing impact structures in North America: Exploration results to date and potential for discovery in Precambrian basement rock. Ames Structure in Northwest Oklahoma and Similar Features: Origin and Petroleum Production (1995 Symposium), K. S. Johnson and J. A. Campbell, Oklahoma Geological Survey, Norman, Oklahoma, v. Circular 100, pp. 17-29. 1997. |
Forsman, N. F., Gerlach, T.R. and Anderson,N.L., Impact origin of the Newporte structure, Williston Basin, North Dakota. AAPG Bulletin, v. 80, pp. 721-730. 1996. |
Forsman, N. F., Evidence for an impact origin of the Newporte structure, Renville County, North Dakota (abstract). Geological Society of America,. 1994. |
Gerlach, T. R., Forsman, N.F. and Anderson,N.L., Evidence for an impact origin of the Newporte structure, Renville County, North Dakota (abstract). Geological Society of America, Seattle, Washington. 1994. |
Grieve, R. A. F., Masaitis, V. L., The economic potential of terrestrial impact craters. International Geology Review, v. 36, pp. 105-151. 1994. |
Koeberl, C., Impact cratering: The mineralogical and geochemical evidence. Ames Structure in Northwest Oklahoma and Similar Features: Origin and Petroleum Production (1995 Symposium), K. S. Johnson and J. A. Campbell, Oklahoma Geological Survey, Norman, Oklahoma, v. Circular 100, pp. 30-54. 1997. |
Koeberl, C., Reimold, W.U. and Brandt,D., The Newporte impact structure, North Dakota: Shock metamorphism in breccias (abstract). Lunar and Planetary Science XXVI, pp. 773-774. 1995. |
Koeberl, C., Reimold, W. U., The Newporte impact structure, North Dakota, USA. Geochimica et Cosmochimica Acta, v. 59, pp. 4747-4767. 1995. |
Koeberl, C., Reimold, W. U., Additional evidence for impact origin of the Newporte, North Dakota, structure (abstract). Geological Society of America, Seattle, Washington. 1994. |
Westbroek, H., Stewart, R., The formation, morphology, and economic potential of meteorite impact craters, CREWES Research Report v. 8, p. 1-26. 1996. |
| * pre-1977 K-Ar, Ar-Ar and Rb-Sr ages recalculated using the decay constants of Steiger and Jager (1977) Ages in millions of years (Ma) before present. ** Abbreviations: C - Crystalline Target; C-Ms - Metasedimentary Target; M - Mixed Target (i.e.sedimentary strata overlying crystalline basement); S - sedimentary target (i.e. no crystalline rocks affected by the impact event). From Osinski. G. R., Spray J. G., and Grieve R. A. F. 2007. Impact melting in sedimentary target rocks: A synthesis. In The Sedimentary Record of Meteorite Impacts, Geological Society of America Special Paper. Editors: Evans K. Horton W., King D., Morrow J., and Warme J. Geological Society of America: Boulder, in press. ***From Koeberl,C. Identification of meteoritic components in impactites. 1998, Koeberl, C. The Geochemistry and Cosmochemistry of Impacts. 2007 and PASSC Files. (IAB, IIIAB, IIIB, IIID - Iron Meteorite) |