Isotopic ages of Lentiira - Kuhmo - Kostomuksha olivine lamproite - Group II kimberlites

Bulletin of the Geological Society of Finland

Volumn 79, Issue 2, 2007, Pages 203-215

  O'Brien, Hugh ^a   Phillips, Dave ^b   Spencer, Roy ^c  

^a GEOLOGICAL SURVEY OF FINLAND   (Finland)

^b UNIVERSITY OF MELBOURNE   (Australia)

^c European Diamonds Plc   (United Kingdom)

Author keywords

Absolute age; Ar 40 Ar 39; Biotite; Finland; Kimberlite; Kostomuksha; Kuhmo; Laproite; Lentiira; Phlogopite; Proterozoic; Russian Federation; Seitaper

Indexed keywords

ARCHEAN; CRATON; DIKE; ISOTOPIC ANALYSIS; KIMBERLITE; LAMPROITE; MINERALOGY; OLIVINE;

EURASIA; EUROPE; FINLAND; NORTHERN EUROPE; SCANDINAVIA;

EID: 37549063020     PISSN: 03675211     EISSN: None     Source Type: Journal    
DOI: 10.17741/bgsf/79.2.004     Document Type: Article

References (18)

1. Belyatskii, B.V., Nikitina, L.P., Savva, E.V. & Levskii, L.K., 1997. Isotopic signatures of lamproite dikes on the Eastern Baltic shield. Geochemistry International 35, 575-579.
2. Kumar, A., Gopalan, K., Rao, K.R.P. & Nayak, S.S., 2001. Rb-Sr age of kimberlites and lamproites from Eastern Dharwar craton, South India. Journal of the Geological Society of India 58, 135-141.
3. Lehtonen, M. 2005. Kimberlites in Finland: information about the mantle of the Karelian Craton and implications for diamond exploration. Geological Survey of Finland, Espoo, Academic Dissertation 31, 82 p.
4. Ludwig, K.R., 2000. User's Manual for Isoplot/Ex v.2.2 a Geochronological Toolkit for Microsoft Excel.
5. Mahotkin, I.L., 1998. Petrology of Group 2 Kimberlite-Olivine lamproite (K2L) series from the Kostomuksha area, Karelia, N.W. Russia. In: Gurney, J.J. et al. (eds.) 7th International Kimberlite Conference, Extended Abstracts Volume, Cape Town, South Africa, pp. 529-531.
6. 39Ar method. Second Edition. Oxford University Press, New York, 288 p.
7. Nikitina, L.P., Levsky, L.K., Lohkov, K.I., Belyatsky, B.V., Zhuravlev, V.A., Lepekhina, E.N. & Antontov, A.V., 1999. Proterozoic alkaline-ultramafic magmatism in the eastern part of the Baltic Shield. Petrology 7, 246-266.
8. O'Brien, H.E. & Tyni, M., 1999. Mineralogy and geochemistry of kimberlites and related rocks from Finland. In: Gurney, J.J. et al. (eds.) Proceedings of the 7th International Kimberlite Conference, Cape Town, South Africa, pp. 625-636.
9. O'Brien, H.E., Lehtonen, M., Spencer, R. & Birnie, A., 2003. Lithospheric mantle in Eastern Finland: A 250 km 3D transcect. In: Extended Abstracts of the 8th International Kimberlite Conference, Victoria, Canada, FLA_0261, 5 p.
10. O'Brien, H.E., Peltonen, P. & Vartianen, H., 2005. Kimberlites, carbonatites, and alkaline rocks. In: Lehtinen, M. et al. (eds.) Precambrian geology of Finland - Key to the evolution of the Fennoscandian Shield. Developments in Precambrian geology 14. Elsevier B.V., Amsterdam, pp. 605-644.
11. 39Ar laser-probe dating of diamond inclusions from the Premier kimberlite. Nature 340, 460-462.
12. Pidgeon R.T., Smith, C.B. & Fanning, C.M., 1988. Kimberlite and lamproite emplacement ages in Western Australia. Proceedings of the 4th International Kimberlite Conference, Geological Society of Australia, Special Publication 14, 369-381.
13. 39Ar dating. Chemical Geology 145, 117-152.
14. Steiger, R.H. & Jager, E., 1977. Subcommission on geochronology: Convention on the use of decay constants in geo- and cosmochronology. Earth and Planetary Science Letters 36, 359-362.
15. Sun, S.S., Jaques, A.L. & McCulloch, M.T., 1986, Isotopic evolution of the Kimberley Block, Western Australia. In: Extended Abstracts of the 4th International Kimberlite Conference, Perth, Australia, Geological Society of Australia Abstracts 16, 346-348.
16. Wiersberg, T., 2001. Edelgase als Tracer für Wechselwirkungen von Krusten- und Mantelfluiden mit diamantführenden Gesteinen des östlichen Baltischen Schildes. Ph.D. Dissertation, University of Postdam, 113 p.
17. Wiersberg, T., Niedermann, S., Erzinger, J., Levsky, Lev K, & Lokhov, K. L, 1999. Noble gas investigations of ancient subcontinental mantle samples (kimberlites and lamproites) from the eastern Baltic shield. EUG 10, Journal of Conference Abstracts 4, p. 372.
18. Wiersberg, T., Niedermann, S., Erzinger, J., Levsky, L. K. & Lohkov, K.I., 2000. Noble gas investigations of Early Proterozoic lamproites from the Eastern Baltic Shield. Goldschmidt 2000, Journal of Conference Abstracts 5, p. 1089.