Petrology and geochemistry of metabasalts from the 1·95 Ga Jormua Ophiolite, Northeastern Finland

Journal of Petrology

Volumn 37, Issue 6, 1996, Pages 1359-1383

  Peltonen, Petri ^a   Kontinen, Asko ^a   Huhma, Hannu ^a  

^a GEOLOGICAL SURVEY OF FINLAND   (Finland)

Author keywords

Basalts; Finland; Geochemistry; Ophiolites; Palaeoproterozoic

Indexed keywords

BASALT; GEOCHEMISTRY; OPHIOLITE; PETROLOGY; PROTEROZOIC;

FINLAND, JORMUA;

EID: 0030438302     PISSN: 00223530     EISSN: None     Source Type: Journal    
DOI: 10.1093/petrology/37.6.1359     Document Type: Article

References (58)

1. Allan, J. A., Sack, R. O. & Batiza, R., 1988. Cr-rich spinels as petrogenetic indicators: MORB-type lavas from the Lamont seamount chain, eastern Pacific. American Mineralogist 73, 741-753.
2. Anonymous, 1972. Penrose field conference on ophiolites. Geotimes 17, 24-25.
3. Ariskin, A. A., Frenkel, M. Ya., Barmina, G. S. & Nielsen, R. L., 1993. COMAGMAT: a FORTRAN program to model magma differentiation processes. Computers and Geosciences 19, 1155-1170.
4. Bertrand, J., Volker, D., Nievergelt, P. & Vuagnat, M., 1987. Comparative major and trace element geochemistry of gabbroic and volcanic rock sequences, Montgenevre ophiolite, Western Alps. Schweizerische Mineralogische und Pelrographische Mitteilungen 67, 147-169.
5. Bickle, M. J., Nisbet, E. G. & Martin, A., 1994. Archean greenstone belts are not oceanic crust. Journal of Geology 102, 121-138.
6. Boynton, W. V., 1984. Geochemistry of rare earth elements: meteorite studies. In: Henderson, P. (ed.) Rare Earth Element Geochemistry. Amsterdam: Elsevier, pp. 63-114.
7. Brewer, T. S. & Pharaoh, T. C., 1990. Early Precambrian baric rocks of the Baltic Shield. In: Hall, R. P. & Hughes, D. J. (eds) Early Precambrian Basic Magmatism. London: Blackie, pp. 273-293.
8. Cadman, A. C., Tarney, J. & Baragar, W. R. A., 1995. Nature of mantle source contributions and the role of contamination and in situ fractional crystallization in the petrogenesis of Proterozoic dykes and flood basalts, Labrador. Contributions to Mineralogy and Petrology 122, 213-229.
9. Campbell, I. H. & Griffiths, R. W., 1993. The evolution of the mantle's chemical structure. Lithos 30, 389-399.
10. Claesson, S., Huhma, H., Kinny, P. D. & Williams, I. S., 1993. Svecofennian detrital zircon ages-implications for the Precambrian evolution of the Baltic Shield. Precambrian Research 64, 109-130.
11. Coleman, R. G. & McGuire, A. V., 1988. Magma systems related to the Red Sea opening. Tectonophysics 150, 77-100.
12. Condie, K. C., 1990. Geochemical characteristics of Precambrian basaltic greenstones. In: Hall, R. P. & Hughes, D. J. (eds) Early Precambrian Basic Magmatism. London: Blackie, pp. 40-55.
13. DePaolo, D. J., 1981. Neodymium isotopes in the Colorado Front Range and crust-mantle evolution in the Proterozoic. Nature 291, 193-196.
14. Fisk, M. R. & Bence, A. E., 1980. Experimental crystallization of chrome spinel in FAMOUS basalt 527-1-1. Earth and Planetary Science Letters 48, 111-123.
15. Gaál, G. & Gorbatschev, R., 1987. An outline of the Precambrian development of the Baltic Shield. Precambrian Research 35, 15-52.
16. Girardeau, J. & Mercier, J.-C. C., 1987. Petrology and texture of the ultramafic rocks of the Xigatze ophiolite (Tibet): constraints for mantle structure beneath slow-spreading ridges. Tectonophysics 147, 33-58.
17. Govindaraju, K., 1989. 1989 compilation of working values and sample description for 272 geostandards. Geostandards Newsletter 13, 1-113.
18. Gruau, G., Tourpin, S., Fourcade, S. & Biais, S., 1992. Loss of isotopic (Nd, O) and chemical (REE) memory during metamorphism of komatiites: new evidence from eastern Finland. Contributions to Mineralogy and Petrology 112, 66-82.
19. Hanski, E., Huhma, H., Smolkin, V. F. & Vaasjoki, M., 1992. The age of the ferropicritic volcanics and comagmatic Ni-bearing intrusions at Pechenga, Kola Peninsula, U.S.S.R. Bulletin of the Geological Society of Finland 62, 123-133.
20. Hauff, S. F., Hoernle, K., Werner, R. & Schmincke, 1996. Origin of the Central American Ophiolites through plume/ridge interaction. 1996 V.M. Goldschmidt Conference. Journal of Conference Abstracts 1(1), 238.
21. Hegner, E. & Bevier, M. L., 1991. Nd and Pb isotopic constraints on the origin of the Purtuniq ophiolite and Early Proterozoic Cape Smith Belt, northern Quebec, Canada. Chemical Geology 91, 357-371.
22. Herzberg, C., 1995. Generation of plume magmas through time: an experimental perspective. Chemical Geology 126, 1-16.
23. Huhma, H., 1986. Sm-Nd, U-Pb and Pb-Pb isotopic evidence for the origin of the Early Proterozoic Svecokarelian crust in Finland. Geological Survey of Finland Bulletin 337, 48 pp.
24. Huhma, H., Cliff, R. A., Perttunen, V. & Sakko, M., 1990. Sm-Nd and Pb isotopic study of mafic rocks associated with early Proterozoic continental rifting: the Peräpohja schist belt in northern Finland. Contributions to Mineralogy and Petrology 104, 369-379.
25. Humphris, S. E., Thompson, G., Schilling, J. G. & Kingsley, R. A., 1985. Petrological and geochemical variations along the Mid-Atlantic Ridge between 46°S and 32°S: influence of the Tristan da Cunha mantle plume. Geochimica et Cosmochimica Acta 49, 1445-1464.
26. Jacob, D., Jagoutz, E., Lowry, D., Mattey, D. & Kudrjavtseva, G., 1994. Diamondiferous eclogites from Siberia: remnants of Archean oceanic crust. Geochimica and Cosmochimica Acta 58, 5191-5207.
27. Jahn, B-M., 1986. Mid-ocean ridge or marginal basin origin of the East Taiwan Ophiolite: chemical and isotope evidence. Contributions to Mineralogy and Petrology 92, 194-206.
28. Karki, A. & Laajoki, K. 1995. An interlinked system of folds and ductile shear zones-late stage Svecokarelian deformation in the central Fennoscandian Shield, Finland. Journal of Structural Geology 17, 1233-1247.
29. Kohonen, J., 1995. From continental rifting to collisional crustal shortening - Paleoproterozoic Kaleva metasediments of the Höytiäinen area in North Karelia, Finland. Geological Survey of Finland Bulletin 380, 79 pp.
30. Koistinen, T., 1981. Structural evolution of an early Proterozoic stratabound Cu-Co-Zn deposit, Outokumpu, Finland. Transactions of the Royal Society of Edinburgh, Earth Sciences 72, 115-158.
31. Kontinen, A., 1987. An early Proterozoic ophiolite - the Jormua mafic - ultramafic Complex, northeastern Finland. Precambrian Research 35, 313-341.
32. Kontinen, A., 1993. Geological map of Finland 1:100000, pre-Quaternary rocks, Sheet 3434 (Paltamo). Geological Survey of Finland.
33. Kontinen, A. & Sorjonen-Ward, P., 1991. Geochemistry of metagraywackes and metapelites from the Palaeoproterozoic Nuasjärvi group, Kainuu schist belt and the Savo Province, north Karelia: implications for provenance, lithostratigraphic correlation and depositional setting. Geological Survey of Finland Special Paper 12, 21-22.
34. Kontinen, A., Paavola, J. & Lukkarinen, H., 1992. K-Ar ages of hornblende and biotite from Late Archaean rocks of eastern Finland - interpretation and discussion of tectonic implications. Geological Survey of Finland Bulletin 365, 31 pp.
35. Langmuir, C. H., Bender, J. F., Bence, A. E., Hanson, G. N. & Taylor, S. R., 1977. Petrogenesis of basalts from the FAMOUS area: mid-Atlantic ridge. Earth and Planetary Science Letters 36, 133-156.
36. Malpas, J., Spörli, K. B., Black, P. M. & Smith, I. E. M., 1992. Northland Ophiolite, New Zealand, and implications for plate tectonic evolution of the southwest Pacific. Geology 20, 149-152.
37. Meschede, M., 1986. A method of discriminating between different types of mid-ocean ridge basalts and continental tholeiites with the Nb-Zr-Y diagram. Chemical Geology 56, 207-218.
38. Middlemost, E. A., 1975. The basalt clan. Earth-Science Reviews 11, 337-364.
39. Miller, R. B., 1985. The ophiolitic Ingalls Complex, north-central Cascade Mountains, Washington. Geological Society of America Bulletin 96, 27-42.
40. Nicolas, A., 1989. Structures of Ophiolites and Dynamics of Oceanic Lithosphere. Dordrecht: Kluwer, 367 pp.
41. Park, A. F., 1988. Nature of the early Proterozoic Outokumpu assemblage, eastern Finland. Precambrian Research 38, 131-146.
42. Peirce, J. A., 1979. Petrogenetic implications of Ti, Zr, Y, and Nb variations in volcanic rocks. Contributions to Mineralogy and Petrology 69, 33-47.
43. Pearce, J. A., 1982. Trace element characteristics of lavas from destructive plate boundaries. In: Thorpe, R. S. (ed.) Andesites: Orogenic Andesites and Related Rocks. New York: John Wiley, pp. 525-548.
44. Pearce, J. A., 1983. Role of subcontinental lithosphere in magma genesis at active continental margins. In: Hawkesworth, C. J. & Norry, M. J. (eds) Continental Basalts and Mantle Xenoliths. Nantwich, UK: Shiva, pp. 230-249.
45. Peltonen, P., Kontinen, A. & Huhma, H., 1995. Structural and compositional heterogeneities of ancient oceanic mantle: the 1·96 Ga old Jormua ophiolite (Finland). Abstracts of the 2nd International Workshop on Orogenic Lherzolites and Mantle Processes, Granada, Spain, pp. 49-50.
46. 146Nd, a natural tracer: an application to oceanic basalts. Earth and Planetary Science Letters 31, 269-278.
47. Rock, N. M. S., 1991. Lamprophyres. Glasgow: Blackie, 285 pp.
48. Rollinson, H., 1993. Using Geochemical Data: Evaluation, Presentation, Interpretation. Harlow, UK: Longman, 343 pp.
49. Scott, D. J., St-Onge, M. R., Lucas, S. B. & Helmstaedt, H., 1991. Geology and chemistry of the Early Proterozoic Purtuniq ophiolite, Cape Smith Belt, northern Quebec, Canada. In: Peters, Tj. (ed.) Ophiolite Genesis and Evolution of the Oceanic Lithosphere. Dordrecht: Kluwer, pp. 825-857.
50. Scott, D. J., Helmstaedt, H. & Bickle, M. J., 1992. Purtuniq ophiolite, Cape Smith belt, northern Quebec, Canada: a reconstructed section of Early Proterozoic oceanic crust. Geology 20, 173-176.
51. Stern, R. A., Syme, E. C. & Lucas, B., 1995. Geochemistry of 1-9 Ga MORB- and OIB-like basalts from the Amisk collage, Flin Flon Belt, Canada: evidence for an intra-oceanic origin. Geochimica et Cosmochimica Acta 59, 3131-3154.
52. Sun, S-S. & McDonough, W. F., 1989. Chemical and isotopic systematics of oceanic basalts: implications for mantle composition and processes. In: Saunders, A. D. & Norry, M. J. (eds) Magmatism in the ocean basins. Geological Society Special Publication 42, 313-345.
53. Voggenreiter, W., Hötzl, H. & Mechie, J., 1988. Low-angle detachment origin for the Red Sea Rift System. Tectonophysics 150, 51-75.
54. Vuollo, J., Piirainen, T. & Huhma, H., 1992. Two Early Proterozoic tholeiitic diabase dyke swarms in the Koli-Kaltimo area, Eastern Finland - their geological significance. Geological Survey of Finland Bulletin 363, 32 pp.
55. Wasserburg, G. J., Jacobsen, S. B., DePaolo, D. J., McCulloch, M. T. & Wen, T., 1981. Precise determination on Sm/Nd ratios, Sm and Nd isotopic abundances in standard solutions. Geochimica et Cosmochimica Acta 45, 2311-2324.
56. Winchester, J. A. & Floyd, P. A., 1977. Geochemical discrimination of different magma series and their differentiation products using immobile elements. Chemical Geology 20, 325-343.
57. Wood, D. A., 1980. The application of a Th-Hf-Ta diagram to problems of tectonomagmatic classification and to establishing the nature of crustal contamination of basaltic lavas of the British Tertiary volcanic province. Earth and Planetary Science Letters 50, 11-30.
58. Wood, D. A., Joron, J.-L., Treuil, M., Norry, M. & Tarney, J., 1979. Elemental and Sr isotope variations in basic lavas from Iceland and the surrounding ocean floor. Contributions to Mineralogy and Petrology 70, 319-339.