Chitinozoan biostratigraphy of the early Caradocian Lockne impact structure, Jämtland, Sweden

Meteoritics and Planetary Science

Volumn 32, Issue 6, 1997, Pages 745-751

  Grahn, Yngve ^a,b  

^a SWEDISH MUSEUM OF NATURAL HISTORY   (Sweden)

^b STATE UNIVERSITY OF RIO DE JANEIRO   (Brazil)

Author keywords

[No Author keywords available]

Indexed keywords

BIOSTRATIGRAPHY; CARADOCIAN; CHITINOZOAN; IMPACT STRUCTURE; ORDOVICIAN;

SWEDEN, JAMTLAND, LOCKNE STRUCTURE;

EID: 0031413313     PISSN: 10869379     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1945-5100.1997.tb01564.x     Document Type: Article

References (18)

1. BASSETT M. G., CHERNS L. AND KARIS L. (1982) The Röde Formation: Early Old Red Sandstone facies in the Silurian of Jämtland, Sweden. Sver. Geol. Unders. Ser. C 793, 1-24.
2. GEE D. G. AND KUMPULAINEN R. (1980) An excursion through the Caledonian mountain chain in central Sweden from Östersund to Storlien. Sver. Geol. Unders. Ser. C 744, 1-66.
3. GRAHN Y. AND NÖLVAK J. (1993) Chitinozoan dating of Ordovician impact events in Sweden and Estonia. A preliminary note. Geol. Fören. Stockholm Förh. 115, 263-264.
4. GRAHN Y., NÖLVAK J. AND PARIS F. (1996) Precise chitinozoan dating of Ordovician impact events in Baltoscandia. J. Micropalaeontol. 15, 21-35.
5. HARLAND W. B., ARMSTRONG R. L., Cox A. V., CRAIG L. E., SMITH A. G. AND SMITH D. G. (1989) A Geological Time Scale. Cambridge Earth Science Series, Cambridge University Press, Cambridge, U.K.
6. JAANUSSON V. (1960) The Viruan (Middle Ordovician) of Öland. Bull. Geol. Inst. Uppsala 38, 207-288.
7. KARIS L. AND LARSSON K. (1982) Jämtland road-log. In IV International Symposium on the Ordovician System. Field Excursion Guide (eds. D. L. Bruton and S. H. Williams), pp. 64-76. Palaeontol. Contrib. Univ. Oslo 279, Oslo, Norway.
8. LAUFELD S. (1996) Caradocian Chitinozoa from Dalarna, Sweden. Geol. Fören. Stokholm Förh. 89, 275-349.
9. LINDSTRÖM M., FLODÉN T., PUURA V. AND SUUROJA K. (1992) The Kärdla,Tvaren, and Lockne craters-possible evidences of an Ordovician asteroid swarm. Proc. Estonian Acad. Sci. 41, 45-53.
10. LINDSTRÖM M., FLODÉN T., GRAHN Y. AND KATHOL B. (1994) Post-impact deposits in Tvären, a marine Middle Ordovician crater south of Stockholm, Sweden. Geol. Mag. 131, 91-103.
11. LINDSTRÖM M., STURKELL E. F. F., TORNBERG R. AND ORMÖ J. (1996) The marine impact crater at Lockne, central Sweden. GFF 118, 193-206.
12. NÖLVAK J. AND GRAHN Y. (1993) Ordovician chitinozoan zones from Baltoscandia. Rev. Palaeobot. Palynol. 79, 245-269.
13. PUURA V. AND SUUROJA K. (1992) Ordovician impact crater at Kärdla, Hiiumaa Island, Estonia. Tectonophys. 216, 143-156.
14. SIMON S. (1987) Stratigraphie, Petrographie und Entstehungs-bedingungen von Grobklastika in der autochthonen, ordovizischen Schichtenfolge Jämtlands (Schweden). Sver. Geol. Unders. Ser. C 815, 1-156.
15. STURKELL E. F. F. AND LINDSTROM M. (1996) Mass balance of the Lockne impact structure, central Sweden. GFF 118, Jubilee issue. Short papers and abstracts, 102-103.
16. STURKELL E. F. F., LINDSTROM M. AND SUNDBLAD K. (1994) Excursion Guide to the Lockne Impact Crater. Inst. Geol. Geochem., Stockholm Univ., Sweden. 72 pp.
17. THERRIAULT A. M. AND LINDSTRÖM M. (1995) Planar deformation features in quartz grains from the resurge deposit of the Lockne structure, Sweden. Meteoritics 30, 700-703.
18. THORSLUND P. (1940) On the Chasmops series of Jämtland and Södermanland (Tvären). Sver. Geol. Unders. Ser. C 436, 1-191.