Cloud Creek
| Crater Name | Location | Latitude | Longitude | Diameter (km) | Age (Ma) | Exposed | Drilled | Target Rock** | Bolide Type*** |
|---|---|---|---|---|---|---|---|---|---|
| Cloud Creek | Wyoming, USA | N 43° 7' | W 106° 45' | 7 | 190 ± 30 | N | Y | S | - |
Residual Topography
References |
Stone, D. S., Therriault, A. M., The Cloud Creek structure, central Wyoming, U.S.A. - Impact origin confirmed, Meteoritics & Planetary Science, v.38, p.445-455. 2003. |
Stone, D. S., Cloud Creek: A possible Impact Structure on the Casper Arch, Wyoming, The Mountain Geologist, vol. 36, No. 4, Rocky Mountain Association of Geologists. 2000. |
Stone D. S., Hull J. P. D., Parker Gray S. Jr., The Mountain Geologist, Volume 36, Number 4, 1999. |
| * 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) |