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4. Comet dust as a source of amino acids at the Cretaceous/Tertiary boundary. Zahnle K; Grinspoon D Nature; 1990 Nov; 348(6297):157-60. PubMed ID: 11536472 [TBL] [Abstract][Full Text] [Related]
5. A major meteorite impact on the Earth 65 million years ago: evidence from the cretaceous-tertiary boundary clay. Ganapathy R Science; 1980 Aug; 209(4459):921-3. PubMed ID: 17810987 [TBL] [Abstract][Full Text] [Related]
7. Shocked quartz in the cretaceous-tertiary boundary clays: evidence for a global distribution. Bohor BF; Modreski PJ; Foord EE Science; 1987 May; 236(4802):705-9. PubMed ID: 17748309 [TBL] [Abstract][Full Text] [Related]
8. Extraterrestrial cause for the cretaceous-tertiary extinction. Alvarez LW; Alvarez W; Asaro F; Michel HV Science; 1980 Jun; 208(4448):1095-108. PubMed ID: 17783054 [TBL] [Abstract][Full Text] [Related]
9. Ignition of global wildfires at the Cretaceous/Tertiary boundary. Melosh HJ; Schneider NM; Zahnle KJ; Latham D Nature; 1990 Jan; 343(6255):251-4. PubMed ID: 11536461 [TBL] [Abstract][Full Text] [Related]
10. Clay Mineralogy: The clay mineral composition of soils and clays is providing an understanding of their properties. Grim RE Science; 1962 Mar; 135(3507):890-8. PubMed ID: 17816101 [TBL] [Abstract][Full Text] [Related]
11. Terrestrial carbon and nitrogen isotopic ratios from cretaceous-tertiary boundary nanodiamonds. Gilmour I; Russell SS; Arden JW; Lee MR; Franchi IA; Pillinger CT Science; 1992 Dec; 258(5088):1624-6. PubMed ID: 17742530 [TBL] [Abstract][Full Text] [Related]
12. 40Ar-39Ar Dating of the Manson Impact Structure: A Cretaceous-Tertiary Boundary Crater Candidate. Kunk MJ; Izett GA; Haugerud RA; Sutter JF Science; 1989 Jun; 244(4912):1565-8. PubMed ID: 17817280 [TBL] [Abstract][Full Text] [Related]
13. Disruption of the terrestrial plant ecosystem at the cretaceous-tertiary boundary, Western interior. Tschudy RH; Pillmore CL; Orth CJ; Gilmore JS; Knight JD Science; 1984 Sep; 225(4666):1030-2. PubMed ID: 17783047 [TBL] [Abstract][Full Text] [Related]
14. A short duration of the Cretaceous-Tertiary boundary event: evidence from extraterrestrial helium-3. Mukhopadhyay S; Farley KA; Montanari A Science; 2001 Mar; 291(5510):1952-5. PubMed ID: 11239153 [TBL] [Abstract][Full Text] [Related]
15. Asteroid Impact Gets More Support: The global distribution of shocked quartz at the Cretaceous-Tertiary boundary argues for an asteroid or comet impact and against a volcano as a cause of the mass extinction. Kerr RA Science; 1987 May; 236(4802):666-8. PubMed ID: 17748305 [No Abstract] [Full Text] [Related]