No K/T boundary at Anjar, Gujarat, India: Evidence from magnetic susceptibility and carbon isotopes

Proceedings of the Indian Academy of Sciences, Earth and Planetary Sciences

Volumn 110, Issue 2, 2001, Pages 133-142

  Hansen, H J ^a,b   Mohabey, D M ^a   Toft, P ^a  

^a Geological Institute   (Denmark)

^b GEOLOGICAL SURVEY OF INDIA   (India)

Author keywords

Deccan; Iridium; Lameta; Paleomagnetics; Rhyolites

Indexed keywords

CRETACEOUS-TERTIARY BOUNDARY;

ASIA; EURASIA; GUJARAT; INDIA; SOUTH ASIA;

DINOSAURIA;

EID: 0012228459     PISSN: 02534126     EISSN: None     Source Type: Journal    
DOI: 10.1007/BF02702213     Document Type: Article

References (29)

1. Bajpai S 1999 Fossil records from the rich Deccan intertrappcan beds, Anjar: Data and inferences. Abstracts p. 1-2, in "Deccan Trap basalts and the K/T boundary"; Phys. Res. Lab, Ahmedabad, India
2. Dajpai S and Prasad G V R 2000 Cretaceous age for Ir-rich Deccan intertrappean deposits: palaeontological evidence from Anjar, western India; J. Geol. Soc. London 157 257-260
3. Best M G 1982 Igneous and metamorphic petrology; (Freeman and Co.)
4. Bhandari N, Shukla P N and Pandey J 1987 Iridium enrichment at Cretaceous-Tertiary boundary in Meghalaya; Gurr. Sci. 56 1003-1005
5. Bhandari N, Gupta M, Pandey J and Shukla P N 1994 Chemical profiles in K/T boundary section of Meghalaya India: Cometary, asteroidal or volcanic; Chem. Geol. 113 45-CO
6. Bhandari N, Shukla P N, Ghevariya Z G and Sundaram S M 1995a Impact did not trigger Deccan volcanism: evidence from Anjar K/T boundary intertrappean sediments; Geophys. Res. Lett. 22, 433-430
7. Bhandari N, Ghevariya Z G and Bajpaj S 1995b K/T boundary problems: Relevance and importance of Anjar intertrappean section. Report on Group and Field workshop Phys. Res. Lab. Ahmedabad, India.
8. Bhandari N, Shukla P N, Ghevariya Z G and Sundaram S M 1990 K/T boundary layer in Deccan intertrappeans at Anjar, Kutch. In: The Cretaceous-Tertiary Event and other catastrophes in earth history (eds) G Ryder, D Fastovsky, S Gärtner; Geol. Soc. Amer. Spec. Pap. 307, 417424
9. Bohor B F and Triplehorn D M 1993 Tonsteins; altered volcanic ash-layers in coal-bearing sequences; Geol. Soc. Arn. Spec. pap. 285, 1-44
10. Brown G 1980 Associated minerals. In: Crystal structures of clay minerals and their X-ray identification (eds) G. W. Birdley, and G. Brown, Min. Soc. London, 495 p.
11. Courtillot V, Gallct Y, Rocchia R, Ferraud G, Robin E, Ilofinaun C, Bhandari N, Ghevariya Z G 2000 Cosmic markers, 40Ar/39Ar dating and paleomagnctism of the KT sections in the Anjar area of the Deccan large igneous province; Earth Planet. Sci. Lett., 182, 137-150
12. Dolenec T, Pavsic J and Lojcn S 1998 Stable isotopes, Ir anomaly and other elemental markers near PalacoceneEocene transition: evidence from the western Tethys; Miner. Mag. C2A 399-400
13. Hansen II J, Rasmussen K L, Liu Qingsheng, Benjamini C, Walaszczyk I, Gwozdz R and Stage M 1993 Correlation of marine and terrestrial Upper Cretaceous sediments by their magnetic susceptibility; Bull. Geol. Soc. Denmark 40 175-184
14. Hansen II J, Toft P, Mohabey D M, Sarkar A 1990 Lameta age: Dating the main pulse of the Deccan Traps volcanism; Gondwana Geol. Mag., Spl Vol. 2, 365-374. (Nagpur, India)
15. Hansen H J, Lojen S, Toft P, Dolencc T, Tong Jinnan, Michaelsen P and Sarkar A 2000 Magnetic susceptibility and organic carbon isotopes of sediments across some marine and terrestrial Permo-Triassic boundaries; In: Permo-Triassic evolution of Tethys, Circum-Pacific and marginal Gondwana (eds) Yin Hongfu et al. (Eisevier).
16. Huene F B von and Matley C A 1933 The Cretaceous Saurischia and Ornithischia of central Provinces of India; Palaeontologia Indica, N. S. 21 1-70
17. Kalb G and Klotsch H 1941 Die Kristalltracht des Hochquarzes in minerogenetischer Betrachtung; Zentralbl. Mineral, Geol, Paleont, Abt. A, 66-72
18. Kuslys M and Krähenbühl U 1983 Noble metals in Cretaceous/Tertiary sediments from El Kef; Radiochim. Ada 34 139-141
19. Margolis S V, Swinburne N H M, Alvarez W, McCauley S E, Mägde L S, Donovan J, Snyder D, Asaro F, Swisher C C, McWilliams M, Hansen H J and Pedersen A K 1991 Possible impact éjecta in the Paleocenc flood basalt province of West Greenland; AGU Fall Meeting, Program and abstracts, P11A-02
20. Mohabey D M 1984 Study of dinosaurian eggs from intratrappean limestone in Kheda district, Gujarat; J. Geol. Soc. India 25(6), 329-333
21. Mohabey D M 1998 Systematics of Indian Upper Cretaceous dinosaur and chelonian eggshells; J. Vert. Pal. 18(2), 348-362
22. Mohabey D M 2000 Indian Upper Cretaceous (Maestrichtian) dinosaur eggs: their parataxonomy and implications in understanding the nesting behaviour; First International Symposium on Dinosaur Eggs and Babies, extended abstracts, p. 139-153. (Spain.)
23. Mohabey D M and Udhoji S G 1996 Fauna and flora from Late Cretaceous (Maestrichtian) Lameta sediments associated with Deccan Volcanic episode, Maharashtra: its relevance to the KT boundary problem, palaeoenvironment and palaeogeography; Gond. Geol. Mag. Spl Vol. 2, 349-360
24. Rigby J K Jr, Newman K R, Smit J, van der Kaars S, Sloan R E and Rigby J K 1987 Dinosaurs from the Paleoccne part of the Hell Creek Formation, McCone County, Montana; Palaios 2, 296-302
25. Rocchia R, Boclet D, Courtillot V and Jaeger J J 1988 A search for indium in the Deccan Traps and Inter-traps; Geophys. Res. Lett. 15 8 812-815
26. Tandon S K, Andrews J E, Sood A and Mittal S 1998 Shrinkage and sediment supply control on multiple calcrete profile development: a case study from the Maastrichtian of central India; Sedimentary Geology, 119 2545
27. Toutain J.-P and Meyer G 1989 Iridium-bearing sublimates " at a hot-spot volcano (Piton de la Fournaise, Indian Ocean); Geophys. Res. Lett. 10 1391-1394
28. Venkatesan T R, Pande K and Gopalan 1996 40Ar-39Ar ages of Anjar Traps, western Deccan Province (India) and its relation to the Cretaceous-Tertiary boundary events; Curr. Sci. 70 990-996
29. Yin Hongfu, Huang Siji, Zhang Kexing, Hansen H J, Yang Fcngqing, Ding Mcihua and Bie Xianmei 1992 The effects of volcanism on the Permo-Triassic mass extinction in south China p. 146-157. In: Permo-Triassic events in the eastern Tethys (eds) \Y.C-Sweet, Zunyi Yang, J. M. Dickins and Yin Hongfu), 181 p., (Cambridge University Press.)