Impacts &


✦ False color space shuttle radar topographic image of the 214 million year old Manicouagan impact crater, Quebec, Canada. (photo: NASA Visible Earth project)

Relevant Publications

Steele A., McCubbin F.M., Fries M., Kater L., Boctor N.Z., Fogel M.L., Conrad P.G., Glamoclija M., Spencer M., Morrow A.L., Hammond M.R., Zare R.N., Vicenzi E., Siljstrom S., Bowden R., Herd C.D.K., Mysen B.O., Shirey S.B., Amundsen H.E.F., and Treiman A.H. T., 2012, A reduced organic carbon component in Martian basalts. Science v. 337, p. 212-215.

Yokoyama, T., Rai, V.K., Alexander, C.M.O.D., Lewis, R.S., Carlson, R.W., Shirey, S.B., Thiemens, M.H., and Walker, R.J., 2007, Osmium isotope evidence for uniform distribution of s- and r-process components in the early solar system: Earth and Planetary Science Letters, v. 259, p. 567-580.

Koeberl, C., Shirey, S.B., Reimold, W.U., and South Africa, G.S., Council for Geoscience, South Africa,, 1999, Re-Os isotopic characteristics of breccias and target rocks from the Pretoria Saltpan impact crater, in Partridge, T.C., ed., Tswaing; investigations into the origin, age and palaeoenvironments of the Pretoria Saltpan., Volume 85: Memoir - Geological Survey (Pretoria): Pretoria, South Africa, Geological Survey of South Africa, Council for Geoscience, p. 55-63.

Koeberl, C., Reimold, W.U., and Shirey, S.B., 1998, The Aouelloul Crater, Mauritania; on the problem of confirming the impact origin of a small crater: Meteoritics and Planetary Science, v. 33, p. 513-517.

Koeberl, C., and Shirey, S.B., 1997, Re-Os isotope systematics as a diagnostic tool for the study of impact craters and distal ejecta: Paleogeography, Paleoclimatology, Paleoecology, v. 132; 1-4, p. 25-46.

French, B.M., Koeberl, C., Gilmour, I., Shirey, S.B., Dons, J.A., and Naterstad, J., 1997, The Gardnos impact structure, Norway; petrology and geochemistry of target rocks and impactites: Geochimica et Cosmochimica Acta, v. 61, p. 873-904.

Koeberl, C., and Shirey, S.B., 1996, Re-Os isotope study of rocks from the Manson impact structure, in Koeberl, C., and Anderson Raymond, R., eds., The Manson impact structure, Iowa; anatomy of an impact crater., Volume 302: Special Paper - Geological Society of America: Boulder, CO, United States, Geological Society of America, p. 331-339.

Koeberl, C., Reimold, W.U., and Shirey, S.B., 1996, Re-Os isotope and geochemical study of the Vredefort Granophyre; clues to the origin of the Vredefort Structure, South Africa: Geology, v. 24, p. 913-916.

Koeberl, C., Sharpton, V.L., Schuraytz, B.C., Shirey, S.B., Blum, J.D., and Marin, L.E., 1994, Evidence for a meteoritic component in impact melt rock from the Chicxulub structure: Geochimica et Cosmochimica Acta, v. 58, p. 1679-1684.

Koeberl, C., Reimold, W.U., Shirey, S.B., and le, R.F.G., 1994, Kalkkop Crater, Cape Province, South Africa; confirmation of impact origin using osmium isotope systematics: Geochimica et Cosmochimica Acta, v. 58, p. 1229-1234.

Koeberl, C., Reimold, W.U., and Shirey, S.B., 1994, Saltpan impact crater, South Africa; geochemistry of target rocks, breccias, and impact glasses, and osmium isotope systematics: Geochimica et Cosmochimica Acta, v. 58, p. 2893-2910.

Koeberl, C., & Shirey, S. B. (1993). Detection of a Meteoritic Component in Ivory Coast Tektites with Rhenium-Osmium Isotopes. Science, 261, 595–598.