U-Pb columbite chronology of post-kinematic Palaeoproterozoic pegmatites in Sweden

Precambrian Research

Volumn 82, Issue 1-2, 1997, Pages 85-99

  Romer, Rolf L ^a,c   Smeds, Sten Anders ^b  

^a LULEÅ UNIVERSITY OF TECHNOLOGY   (Sweden)

^b UPPSALA UNIVERSITY   (Sweden)

^c GFZ GERMAN RESEARCH CENTRE FOR GEOSCIENCES   (Germany)

Author keywords

Baltic Shield; Columbite; Pegmatite; Svecofennian orogeny; U Pb age

Indexed keywords

COLUMBITE; PEGMATITE; PROTEROZOIC; SVECOFENNIAN OROGENY; URANIUM/LEAD DATING;

SWEDEN;

EID: 0030833125     PISSN: 03019268     EISSN: None     Source Type: Journal    
DOI: 10.1016/s0301-9268(96)00050-2     Document Type: Article

References (51)

1. Arzi, A.A., 1978. Critical phenomena in the rheology of partially melted rocks. Tectonophysics 44, 173-184.
2. Billström, K., Åberg, G., Öhlander, B., 1988. Isotopic and geochemical data of the Pingstaberg Mo-bearing granite in Bergslagen, South Central Sweden.. Geol. Mijnb. 67, 227-237.
3. Björk, L., Kero, L., 1992. Berggrundskartan (Map of solid rocks) 20 J Vännäs NV. Sver. Geol. Unders., Ai 52.
4. Černý, P., 1991. Rare-element granitic pegmatites. Part I: Anatomy and internal evolution of pegmatite deposits. Geosci. Canada 18, 49-67.
5. Černý, P., 1991. Fertile granites of Precambrian rare-element pegmatite fields: is geochemistry controlled by tectonic setting or source lithologies? Precambrian Res. 51, 429-468.
6. Černý, P., Hawthorne, F.C., 1982. Selected peraluminous minerals. In: Černý, P., (Ed.), Granitic Pegmatites in Science and Industry. Mineral. Assoc. Can. Short Course Handbook 8, pp. 163-186.
7. Claesson, S., 1987. Nd isotope data on 1.9-1.2 Ga old basic rocks and metasediments from the Bothnian Basin, central Sweden. Precambrian Res. 35, 115-126.
8. Claesson, S., Lundqvist, T., 1995. Origins and ages of Proterozoic granitoids in the Bothnian Basin, central Sweden; isotopic and geochemical constraints. Lithos 36, 115-140.
9. Davidson, C., Schmid, S.M., Hollister, L.S., 1994. Role of melt during deformation in the deep crust. Terra Nova 6, 133-142.
10. Ehlers, C., Lindroos, A., Selonen, O., 1993. The Late Svecofennian granite-migmatite zone of southern Finland -a belt of transpressive deformation and granite emplacement. Precambrian Res. 64, 109-130.
11. Gaál, G., Gorbatschev, R., 1987. An outline of the Precambrian evolution of the Baltic Shield. Precambrian Res. 35, 15-52.
12. Ginsburg, A.I., 1984. The geological condition of location and the formation of granitic pegmatites. 27th Inter. Geol. Congr., Proc. 15, 245-260.
13. Hawthorne, F.C., Černý, P., 1982. The mica group. In: Černý, P., (Ed.), Granitic Pegmatites in Science and Industry. Mineral. Assoc. Can. Short Course Handbook 8, pp. 63-91.
14. Ivarsson, C., Johansson, Å., 1995. U-Pb zircon dating of Stockholm granite at Frescati. GFF 117, 67-68.
15. 238U. Phys. Rev. C4, 1889-1906.
16. Jarl, L.-G., Johansson, Å., 1988. U-Pb zircon ages of granitoids from the Småland-Värmland granite-porphyry belt, southern and central Sweden. Geol. Fören. Stockholm Förh. 110, 21-28.
17. Johansson, Å., 1988. The age and geotectonic setting of the Småland-Värmland granite-porphyry belt. Geol. Fören. Stockhohn Förh. 110, 105-110.
18. Larson, S.-Å., Berglund, J., 1992. A chronological subdivision of the Transscandinavian Igneous Belt - three magmatic episodes? Geol. Fören. Stockholm Förh. 114, 459-461.
19. Ludwig, K.R., 1994. ISOPLOT 2.71: A plotting and regression program for radiogenic-isotope data. US Geol. Surv. Open-File Report, 91-445: pp. 44.
20. Lundegårdh, P.H., 1983. Beskrivning till bergggrundskartan Lindesberg SO (Description to the map of solid rocks Lindesberg south-east). Sver. Geol. Unders., Af 139, 1-58. (Swedish with English summary).
21. Lundqvist, T., 1979. The Precambrian of Sweden. Sver. Geol. Unders. C768, 1-87.
22. Lundström, I., 1983. Beskrivning till berggrundskartan Lindesberg SV (Description to the map of solid rocks Lindesberg south-west). Sver. Geol. Under. Af 126, 1-140. (Swedish with English summary).
23. Öhlander, B., Romer, R.L., 1996. Zircon ages of granites occurring along the Central Swedish Gravity Low. GFF 118, (in press).
24. Öhlander, B., Zuber, J.A., 1988. Genesis of the Fellingsbrotype granite: evidence from gravity measurements and geochemistry. Geol. Fören. Stockholm Förh. 110, 39-54.
25. Patchett, P.J., Kouvo, O., 1986. Origin of the continental crust of 1.9-1.7 Ga age: Nd isotopes and U-Pb zircon ages in the Svecokarelian terrain of South Finland. Contrib. Mineral. Petrol. 92, 1-12.
26. Patchett, P.J., Todt, W., Gorbatchev, R., 1987. Origin of continental crust of 1.9-1.7 Ga age: Nd isotopes in the Svecofennian orogenic terrains of Sweden. Precambrian Res. 35, 145-160.
27. Romer, R.L., Nisca, D.H., 1995. Svecofennian crustal deformation of the Baltic Shield and U-Pb age of late-kinematic tonalitic intrusions in the Burträsk Shear Zone, northern Sweden. Precambrian Res. 75, 17-29.
28. Romer, R.L., Öhlander, B., 1994. U-Pb age of the Yxsjöberg tungsten-skarn deposit, Sweden. GFF 116, 161-166.
29. Romer, R.L., Öhlander, B., 1995. Tectonic implications of an 1846+1 Ma old migmatitc granite in south-central Sweden. GFF 117, 69-74.
30. Romer, R.L., Smeds, S.-A., 1994. Implications of U-Pb ages of columbite-tantalites from granitic pegmatites for the Palaeoproterozoic accretion of 1.90-1.85 Ga magmatic arcs to the Baltic Shield. Precambrian Res. 67, 141-158.
31. Romer, R.L., Smeds, S.-A., 1996. U-Pb columbite ages of pegmatites from Sveconorwegian terranes in southwestern Sweden. Precambrian Res. 76, 15-30.
32. Romer, R.L., Wright, J.E., 1992. U-Pb dating of columbites: a geochronologic tool to date magmatism, metamorphism, and ore deposits. Geochim. Cosmochim. Acta 56, 2137-2142.
33. Romer, R.L., Wright, J.E., 1993. Lead mobilization during tectonic reactivation of the western Baltic Shield. Geochim. Cosmochim. Acta 57, 2555-2570.
34. Romer, R.L., Schärer, U., Wardle, R.J., Wilton, D.H.C., 1995. U-Pb age of the Seal Lake Group, Labrador: relationship to Mesoproterozoic extension-related magmatism of Laurasia. Can. J. Earth Science 32, 1401-1410.
35. Romer, R.L., Smeds, S.-A., Cerny, P., 1996. Crystal-chemical and genetic controls of U-Pb systematics of columbite-tantalite. Mineral. Petrol. (in press)
36. Schärer, U., Gower, C.F., 1988. Crustal evolution in eastern Labrador, constraints from precise U-Pb ages. Precambrian Res. 38, 405-421.
37. Skiöld, T., Öhlander, B., 1989. Chronology and geochemistry of late Svecofennian processes in northern Sweden. Geol. Fören. Stockholm Förh. 111, 347-354.
38. Smeds, S.-A., 1990. Regional trends in mineral assemblages of Swedish Proterozoic granitic pegmatites and their geological significance. Geol. Fören. Stockholm Förh. 112, 227-242.
39. Smeds, S.-A., 1992. Trace elements in potassium-feldspar and muscovite as a guide in the prospecting for lithium- and tin-bearing pegmatites in Sweden. J. Geochem. Explor. 42, 351-369.
40. Smeds, S.-A., 1993. Herzenbergite (SnS) in Proterozoic granite pegmatites in north-central Sweden. Mineral. Mag. 57, 489-494.
41. Smeds, S.-A., 1994. Zoning and fractionation trends of a peraluminous NYF granitic pegmatite field at Falun, south-central Sweden. GFF 116, 175-184.
42. Smeds, S.-A., Černý, P., 1989. Pollucite from the Proterozoic petalite-bearing pegmatites of Utö, Stockholm archipelago, Sweden. Geol. Fören. Stockholm Förh. 111, 361-372.
43. Stålhös, G., 1979. Description to the map of solid rocks Nynäshamn NV/SV. Sveriges Geologiska Undersökning Af 125, 1-106. (Swedish with English summary).
44. Steiger, R.H., Jäger, E., 1977. Subcommission of geochronology: Convention on the use of decay constants in geo- and cosmochronology. Earth Planet. Sci. Lett. 36, 359-362.
45. Stephens, M.B., Wahlgren, C.-H., Annertz, K., 1993. U-Pb zircon dates in two younger suites of Palaeoproterozoic intrusions, Karlskoga area, south-central Sweden. Sver. Geol. Unders. C823, 46-59.
46. Suominen, V., 1991. The chronostratigraphy of southwestern Finland with special reference to Postjotnian and Subjotninan diabases. Geol. Surv. Finland, Bull. 356, 1-100.
47. Welin, E., 1992. Isotopic results of the Proterozoic crustal evolution of south-central Sweden. Geol. Fören. Stockholm Förh. 114, 299-312.
48. Welin, E., Blomqvist, G., 1964. Age measurements on radioac-tive minerals from Sweden. Geol. Fören. Stockholm Förh. 86, 33-50.
49. Welin, E., Stålhös, G., 1986. Maximum age of the synrnetamorphic Svecokarelian fold phases in south central Sweden. Geol. Fören. Stockholm Förh. 108, 31-34.
50. Wikström, A., 1996. U-Pb zircon dating of a coarse porphyric quartz monzonite and an even grained, grey tonalitic gneiss from the Tiveden area, south central Sweden. Sver. Geol. Unders. C828, 41-47.
51. Zuber, J.A., Öhlander, B., 1991. Gravimetrical and geochemical studies of 1.8 Ga old granites in the Strängnäs-Enköping area, south central Sweden. Geol. Fören. Stockholm Förh. 113, 309-318.