Cochise College Collected by Roger Weller
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K/T Event
*Alavarez, W., Alvarez, L.W., Asaro, F., and Michel, H.V., 1984, The end of the Cretaceous: Sharp boundary or gradual transition: Science, v. 223, p. 1183-1186.
*Alvarazez, W., et al, 1991, Proximal impact deposits at the Cretaceous-Tertiary boundary in the Gulf of Mexico: Reinterpreting DSDP sites 536 and 540: GSA Abstr, with Prog., v. 23, n. 5, p. A420.
*Alverez, W., Alverez, L.W., Asaros, F., and Michel, M.V., 1979, Experimental evidence in support of an extraterrestrial trigger for the Cretaceous-Tertiary extinctions: EOS (Trans. AGU), v. 60, p. 734.
*Alverez, L.W., Alverez, W., Asaro, F., and Michel, M.V., 1979, Extraterrestrial cause for the Cretaceous-Tertiary extinction: Experiment and theory: University of California Lawrence Berkley, Report, LBL-9666, p. 86.
*Alverez, W., et al, 1979, Anomalous iridium levels at the Cretaceous-Tertiary boundary at Gubbio, Italy (abst.): Negative results of tests for a super nova origin: GSA, abstr. w/prog., v. 11, p. 378.
*Alverez, W., et al, 1979, Anomalous iridium levels at the Cretaceous-Tertiary boundary at Gubbio, Italy: in- Cretaceous-Tertiary events symposium, Copenhagen, 1979, Proceedings: University of Copenhagen, v. 2, p.69.
*Anderson, R.R. and Hartung, J.B., 1992, Manson impact structure; its contribution to impact materials observed at the Cretaceous/Tertiary boundary: Lunar and Planetary Science Proceedings, v. 22, p. 101-110.
*Arthur, M.A., and Fischer, A.G., 1977, Upper Cretaceous-Paleocene magnetic stratigraphy at Gubbio, Italy - I. Lithostratigraphy and sedimentology: GSA Bull, v. 88, p. 367-371.
*Blum, J.D. and Chamberlain, C.P., 1992, Oxygen isotope constraints on the origin of impact glasses from the Cretaceous-Tertiary boundary: Science, v. 257, p. 1104-1107.
*Bohor, B.F., 1990, Shocked quartz and more: impact signatures in Cretaceous/Tertiary boundary clays: in- Sharpton, V.L., and Ward, P.D., eds., Global catastrophes in Earth history: GSA Special Paper, 247, p. 335-342.
*Bohor, Bruce et al, Spheroids at the Cretaceous-Tertiary boundary are altered impact droplets of basaltic composition: Geology (Boulder) v. 12, n. 11, Nov. 1984, p. 695-696
*Bohor, B.F., Rampiho, M.R. & Reynolds, R.C., 1984, Analysis of the Cretaceous-Tertiary boundary clay, methodology questioned: Science, v. 223, n. 4632, Jan. 13, 1984, p. 190-191.
*Bohor, B.F., Foord, E.E., Modreski, P.J. and Triplehorn, D.M., 1984, Mineralogic evidence for an impact event at the Cretaceous-Tertiary boundary: Sciences, v. 224, n. 4651, May 25, 1983, p. 867-869.
*Bohor, B.F., Foord, E.E. and Ganapathy, R., 1986, Magnesioferrite from the Cretaceous-Tertiary boundary, Caravaca, Spain: Earth and Planetary Science Letters, v. 81, p. 57-66.
*Bourgeois, J., Hansen, T.A., Wiberg, P.L. and Kauffman, E.G., 1988, A tsunami deposit at the Cretaceous-Tertiary boundary in Texas: Science, v. 241, p. 567-570
*Crocket, J.H., Officer, C.B., Wezel, C.B., and Johnson, G.D., 1988, Distribution of noble metals across the Cretaceous/Tertiary boundary at Gubbio, Italy: Iridium variation as a constraint on the duration and nature of Cretaceous/Tertiary boundary events: Geology, v. 16, p. 77-80.
*Davis, M., Hut, P., and Muller, R.A., 1984, Extinction of species by periodic comet showers: Nature, v. 308, p. 715-717.
*Doehne, E., and Margolis, S.V., 1990, Trace element of geochemistry and mineralogy of the Cretaceous/Tertiary boundary; identification of extraterrestrial components: in- Sharpton, V.L., and Ward, P.A., eds, Global catastrophes in Earth History: Geological Society of Am. Special Paper 247, p. 367-381.
*Hay, W.W., 1960, The Cretaceous-Tertiary boundary in the Tampico Embayment, Mexico: International Geological Congress, 21st, Copenhagen, Proceedings, part 5, p. 70-71.
*Hildebrand, A.R. and Boynton, W.V., 1988, Impact wave deposits provide new constraints on the location of the K/T boundary impact (abstr): in-Global catastrophes in Earth History: An interdisciplinary conference on impacts, volcanism and mass mortality (Snowbird, Utah, Oct. 20-23, 1988) Houston, Texas, Lunar & Planetary Inst., p. 76-77.
*Hildebrand, A.R., et al, 1991. Chicxulub Crater: a possible Cretaceous-Tertiary boundary impact crater on the Yucatan Peninsula, Mexico: Geology, v. 19, p. 867-871.
*Hildebrand, A.R., and Boynton, W.V., 1990, Proximal Cretaceous-Tertiary boundary impact deposits in the Caribbean: Science, v. 248, p. 843-846.
*Izett, G.A., et al, 1990, Tektites in Cretaceous-Tertiary boundary rocks on Haiti: USGS Open File Report 90-635, 31 pages.
*Izett, G.A., 1990, The Cretaceous-Tertiary boundary interval, Raton Basin, Colorado and New Mexico, and its content of shock-metamorphosed minerals; evidence relevant to the K/T boundary impact-extinction theory: GSA Special Paper 249, 100 p.
*Izett, G.A., Dalrymple, G.B. and Snee, L.W., 1991, 40Ar/39Ar age of Cretaceous-Tertiary boundary from Haiti: Science, v. 252, p. 1539-1542.
*Izett, G.A., 1991, Tektites in Cretaceous-Tertiary boundary rocks on Haiti and their bearing on the Alvarez impact extinction hypothesis: Journal of Geophysical Research, v. 96, p. 20, 879-20, 905.
*Koeberl, C. and Sigurdsson, H., 1992, Geochemistry of impact glasses from the K/T boundary in Haiti: Relations to smectites and a new type of glass: Geochim. et Cosmochim. Acta, v. 56, p. 2113-2129.
*Koeberl, C., 1993, Chicxulub Crater, Yucatan: Tektites, impact glasses, and the geochemistry of target rocks and breccias: Geology, v. 21, p. 211-214.
*Kyte, F.T., Zhou, Z. & Wasson, J.T., 1980, Siderophile-enriched sediments from the Cretaceous/Tertiary boundary: Nature, v. 288, p. 651-656.
*Kyte, F.T. and Smith, J., 1986, Regional variations in special compositions: An important key to the Cretaceous-Tertiary event: Geology, v. 14, p. 485-487.
*Maumasse, F.J.M.R., and Sen, G. 1991, Impacts, tsunamis, and the Haitian Cretaceous-Tertiary boundary layer: Science, v. 252, p. 1690-1693.
*Montanari, A., 1991, Authigenesis of impact spheroid in the K/T boundary clay from Italy: New constraints for high-resolution stratigraphy of terminal Cretaceous events: Jour. of Sedimentary Petrography, v. 61, p. 315-339.
*Morgan, H.J., Jr., 1931, The Velasco-Mendez contact in the vicinity of the Ebano Field, Mexico: Journal of Paleontology, v. 5, p. 42-47.
*Muir, J. M., 1936, Geology of the Tampico region, Mexico: Tulsa, Oklahoma, AAPG, 280 p.
*Officer, C.B., and Drake, C.L., 1985, Terminal Cretaceous environmental events: Science, v. 227, p. 1161-1167.
*Officer, C.B., Hallam, A., Drake, C.L., and Devine, J.C., 1987, Late Cretaceous and paroxysmal Cretaceous/Tertiary extinctions: Nature, v. 326, p. 143-149
*Officer, C.B., 1992, The relevance of iridium and microscopic dynamic deformation features toward understanding the Cretaceous/Tertiary transition: Terra Nova, v. 4, p. 394-404.
*Orth, C.J., 1962, Iridium abundance measurements across the Cretaceous/Tertiary boundary in the San Juan and Raton Basins of northern New Mexico: in- Silver, L.T., and Schultz, P. H., eds., Geological implications of impacts of large asteroids and comets on the Earth- Special paper 190: Boulder, GSA, p. 423-433.
*Palme, H., 1982, Identification of projectiles of large terrestrial impact craters and some implications for the interpretation of Ir-rich Cretaceous-Tertiary boundary layers: in- Silver, L.T., and Schultz, P.H., eds., Geological implications of impacts of large staroids and comets on the Earth-Special Paper 190: Boulder, GSA, p. 223-234.
*Penfield, G.T. and Camargo, Z.A., 1981, Definition of a major igneous zone in central Yucatan platform with aeromagnetics and gravity: Society of Exploration Geophysicists Technical Program, Abstracts and Biographies, v.51, p. 37.
*Perry, E.C., Winter, D.J., Sagar, B., and Wu, B., 1992, The Chicxulub structures: Surface manifestion and possible sulfur isotope signature: Lunar and Planetary Science Proceedings, v. 23, p. 1057-1058
*Pope, K.O., Ocampo, A.C. and Duller, C.E., 1991, Mexican site for K/T impact crater: Nature, v. 351, p. 105.
*Premo, W.R. and Izett, G.A., 1992, Nd-Sm isotopic signatures of block tektites from the K-T boundary on Haiti: Implicatons for the age and type of source material: Meteoritics, v. 27, p. 413-423
*Sharpton, V.L., Dalrymple, G.B., Ryder, G., Schuratytz, B.C. and Urrutia-Fucagauchi, J., 1992, New links between the Chicxulub impact structure and the Cretaceous-Tertiary boundary: Nature, v. 359, p. 819-921
*Shoemaker, E.M.' and Wolfe, R.F., 1984, Crater ages, comet showers and the putative "Death Star", (abstr) Meteoritics, v. 19, n. 4, p. 313.
*Shoemaker, E.M., and Izett, G.A., 1992, Stratigraphic evidence from western North America for multiple impacts at K/T boundary: Lunar and Planetary Science Proceedings, v. 23, p. 1293-1294.
*Sighinolfi, G.P., 1981, The problem of the Cretaceous/Tertiary boundary event. Prelimary geochemical investigation of the Scagria Rosa Formation (central Italy): Periodico di Mineralogia, v. 50, p. 91-111.
*Sigurdsson, H., et al 1991, Glass from the Cretaceous-Tertiary boundary in Haiti: Nature, v. 349, p. 482-487
*Sigurdsson, H., D'Hondt,S. and Carey, S., 1992, The impact of the Cretaceous-Tertiary bolide on evaporite terrane and generation of a major sulfuric acid aerosol: Earth and Planetary Science Letters, v. 109, p. 543-559
*Sigurdsson, H., et al, 1991, Geochemical constraints on source region of Cretaceous/Tertiary impact glasses: Nature, v. 353, p. 839-842
*Smit, J. and Kyte, F.T., 1984, Siderophile-rich magnetic spheroids from the Cretaceous-Tertiary boundary in Umbria, Italy: Nature, v. 310, p. 403-405
*Smit, J. and Romein, A.J.T., 1985, A sequence of events across the Cretaceous-Tertiary boundary: Earth and Planetary Science Letters, v. 74, p. 155-170
*Smit, J. and Hertogen, J., 1980, An extraterrestrial event at the Cretaceous-Tertiary boundary: Nature, v. 285, p. 198-200.
*Tschudy, R.H., and Tschundy, B.D., 1986, Extinction and survival of plant life following the Cretaceous-Tertiary boundary event, Western Interior, North America: Geology (Boulder), v 14, n. 8, Aug. 1986, p. 667-670
*Tschudy, R.H., et al, 1986, Description of the terrestrial plant ecosystem at the Cretaceous-Tertiary boundary, Western Interior: Science, v.225, n. 4666, p. 1030-1032
*Wolfe, J.A. and Upchurch, G.R., Jr. 1986, Vegetation, climatic and floral changes at the Cretaceous-Tertiary boundary: Nature, v. 324, p. 148-152.
*Alvarez, W., 1986, Toward a theory of impact crises: EOS (Trans AGU), v. 67, p. 649, 653-658.
*Alvarez, L.W., Alvarez, W., Asaro, F. & Michel, H.V., 1980, Extraterrestrial cause for the Cretaceous-Tertiary extinction; Science, v. 208, n. 4448. p. 1095-1108.
*Mc Laren, D.J. and Goodfellow, W.D., 1990, Geological and biological consequences of giants impacts: Planetary Sciences, v. 18, p, 123-171.
*Obradovich, J.D. & Sutter, J.F., 1984, What is the age of the Cretaceous-Tertiary boundary as recognized in continental deposits? (abstr): Abstracts with Programs - 69A: in-GSA, 97th meeting, v. 16, n. 6, Sept 1984, p. 612.
*Orth, C.J., et al, 1981, Iridium anomaly at the palynological Cretaceous-Tertiary boundary in New Mexico (abstr): EOS, Trans, AGU: in- AGU 1981 spring meeting, v. 62, n. 17, April 28, 1981, p. 438.
*Dence, M.R., von Engelhardt, W., Walter, L.S., Plant, A.G., 1970, Spheroids in impact glass from West Clearwater Lake Crater, Quebec (abstr): EOS (Trans AGU), v. 51, n. 4, p. 342.
*Poag, C.W., et al, 1992, Distribution, volume, and depositional origin of upper Eocene bolide-generated sediments along the East Coast (abstr). Abstr. with Program - GSA: in-GSA, 1992 ann. meeting, v. 24, n. 7, 1992, p. 172-173
*Rogers, A.F., 1930, An unique occurrence of lechatelierite or silica glass: American Journal Science, v. 19, p. 195-202.