U-Pb age of granitoids in the junction zone between the Olekma granite-greenstone and Aldan granulite-gneiss terranes

Stratigraphy and Geological Correlation

Volumn 5, Issue 2, 1997, Pages 101-109

  Sal'nikova, E B ^a   Kotov, A B ^a   Belyatskii, B V ^a   Yakovleva, S Z ^a   Morozova, I M ^a   Berezhnaya, N G ^a   Zagornaya, N Yu ^a  

^a INSTITUTE OF PRECAMBRIAN GEOLOGY AND GEOCHRONOLOGY   (Russian Federation)

Author keywords

Aldan Shield; Amphibole biotite tonalite gneisses; Early Proterozoic; Granitoids; Late Archean; U Pb method

Indexed keywords

EID: 24744464855     PISSN: 08695938     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (19)

1. Dokembriiskaya geologiya SSSR (Precambrian Geology of the USSR), Rundqvist, D.V. and Mitrofanov, F.P., Eds., Leningrad: Nauka, 1988.
2. Drevneishie parody Aldano-Stanovogo shchita: Putevoditel' Mezhdunarodnoi geologicheskoi ekskursii Proekta MPGK N. 280 "Drevneishie parody Zemli" (The Most Ancient Rocks of the Aldan-Stanovoi Shield: A Guide Book for the International Geological Excursion of the IPGC Project no. 280 "The Most Ancient Rocks of the Earth"), Leningrad, 1989.
3. Kitsul, V.I. and Duk, V.L., Endogenic Conditions of Formation and Evolutionary Stages of the Early Precambrian Lithosphere in the Vitim-Aldan Shield, in Endogennye rezhimy formirovaniya zemnoi kory i mdoobrazovaniya v rannem dokembrii (Endogenic Regimes of Earth Crust Formation and Ore Genesis in the Early Precambrian), Leningrad: Nauka, 1985, pp. 217-235.
4. Kotov, A.B., Sal'nikova, E.B., Morozova, I.M., et al., Early Proterozoic Granitoids in the Northwestern Part of the Aldan Granulite-Gneiss Terrane (Aldan Shield): U-Pb and Sm-Nd Data, Geol. Geofiz., 1993, no. 2, pp. 15-21.
5. Krogh, T.E., A Low-Contamination Method for Hydrothermal Decomposition of Zircon and Extraction of U and Pb for Isotopic Age Determination, Geochim. Cosmochim. Acta, 1973, vol. 37, pp. 485-494.
6. Krogh, T.E., Improved Accuracy of U-Pb Zircon Dating by the Creation of More Concordant System Using an Air Abrasion Technique, Geochim. Cosmochim. Acta, 1982, vol. 46, pp. 637-649.
7. Ludwig, K.R., PbDat for MS-DOS, Version 1.21, U.S. Geol. Survey Open-File Rept., 1991a, no. 88-542, pp. 1-35.
8. Ludwig, K.R., ISOPLOT for MS-DOS, Version 2.50, U.S. Geol. Survey Open-File Rept., 1991b, no. 88-557, pp. 1-64.
9. Magmaticheskie gornye parody: Klassifikatsiya, nomenklatura, petrografiya (Magmatic Rocks: Classification, Nomenclature, Petrography), Bogatikov, O.A., Ed., Moscow: Nauka, 1985.
10. Makeev, A.F., Radiatsionno-khimichskie prevrashcheniya tsirkonov i ikh primenenie v geokhronologil (Radio-Chemical Transformations in Zircons as Applied to Geochronology), Leningrad: Nauka, 1981.
11. Neelov, A.N., Precambrian Tectonics of the Siberian Platform and Some Regularities in the Evolution of Precambrian Mobil Zones, in Geologiya dokembriya: 23 sessiya MGK (Geology of the Precambrian: 23rd Int. Geol. Congr.), Leningrad: Nauka, 1968, pp. 41-51.
12. Neelov, A.N. and Mil'kevich, R.I., Petrokhimiya metamorficheskikh kompleksov Yugo-Vostochnoi Sibiri (Petrochemisry of Metamorphic Complexes in Southeastern Siberia), Leningrad: Nauka, 1979.
13. Nutman, A.P., Chernyshev, I.V., Baadsgaard, H., and Smelov, A.P., The Aldan Shield of Siberia, USSR: The Age of Its Archean Components and Evidence for Widespread Reworking in the Mid-Proterozoic, Precambrian Res., 1992, vol. 54, pp. 195-210.
14. Precambrian Geology of the USSR, Rundqvist, D.V. and Mitrofanov, F.P., Eds., Amsterdam: Elsevier, 1993.
15. Rannii dokembrii Yuzhnoi Yakutii (Early Precambrian in the Southern Yakutia), Dobretsov, N.L., Ed., Moscow: Nauka, 1986.
16. Sal'nikova, E.B., Tectono-Magmatic Evolution in the Northern Flank of Junction between the Olekma Granite-Greenstone and Aldan Granulite-Gneiss Terranes of the Aldan Shield, Cand. Sci. (Geol.-Mineral.) Dissertation, St. Petersburg: Inst. Precambrian Geol. Geochronol., RUSS. Acad. Sci., 1993.
17. Sal'nikova, E.B., Kotov, A.B., Nemchin, A.A., et al., Age of the Tungurchakan Massif (Olekma Granite-Greenstone Terrane, the Aldan Shield), Dokl. Ross. Akad. Nauk, 1993, vol. 331, no. 3, pp. 356-358.
18. Stacey, J.S. and Kramers, I.D., Approximation of Terrestrial Lead Isotope Evolution by a Two-Stage Model, Earth Planet. Sci. Lett., 1975, vol. 26, pp. 207-221.
19. Steiger, R.H. and Jager, E., Subcommission on Geochronology: Conversion of the Use of Decay Constants in Geo- and Cosmochronology, Earth Planet. Sci. Lett., 1976, vol. 36, pp. 359-362.