메뉴 건너뛰기




Volumn 144, Issue 3-4, 1996, Pages 369-387

A 2.023 Ga age for the Vredefort impact event and a first report of shock metamorphosed zircons in pseudotachylitic breccias and Granophyre

Author keywords

Absolute age; Meteor craters; Shock metamorphism; South Africa; U Pb; Vredefort Dome; Zircon

Indexed keywords

IMPACT EVENT; PROTEROZOIC; PSEUDOTACHYLITE; SHOCK METAMORPHISM; URANIUM/LEAD DATING; ZIRCON;

EID: 0030437492     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/s0012-821x(96)00180-x     Document Type: Article
Times cited : (303)

References (65)
  • 1
    • 0344384205 scopus 로고
    • The impact of large meteorites
    • J.D. Boon and C.C. Albritton, The impact of large meteorites, Field Lab. 5, 1-9, 1936.
    • (1936) Field Lab. , vol.5 , pp. 1-9
    • Boon, J.D.1    Albritton, C.C.2
  • 2
    • 0041403294 scopus 로고
    • The Vredefort ring structure of South Africa
    • R.A. Daly, The Vredefort ring structure of South Africa, J. Geol. 55, 125-145, 1947.
    • (1947) J. Geol. , vol.55 , pp. 125-145
    • Daly, R.A.1
  • 3
    • 0007721939 scopus 로고
    • Vredefort ring structure: Meteorite impact scar?
    • R.S. Dietz, Vredefort Ring structure: meteorite impact scar?, J. Geol. 69, 499-516, 1961.
    • (1961) J. Geol. , vol.69 , pp. 499-516
    • Dietz, R.S.1
  • 5
    • 0027430461 scopus 로고
    • A review of the geology of and the deformation related to the Vredefort structure, South Africa
    • W.U. Reimold, A review of the geology of and the deformation related to the Vredefort Structure, South Africa, J. Geol. Education 41, 106-117, 1993.
    • (1993) J. Geol. Education , vol.41 , pp. 106-117
    • Reimold, W.U.1
  • 6
    • 0001467452 scopus 로고
    • Shatter cones in the rocks of the Vredefort ring
    • R.B. Hargraves, Shatter cones in the rocks of the Vredefort Ring, Trans. Geol. Soc. S. Afr. 64, 147-161, 1961.
    • (1961) Trans. Geol. Soc. S. Afr. , vol.64 , pp. 147-161
    • Hargraves, R.B.1
  • 7
    • 80052389683 scopus 로고
    • The pseudotachylyte of Parijs (Orange Free State), and its relation to "trap-shotten gneiss" and "flinty crush-rock"
    • S.J. Shand, The pseudotachylyte of Parijs (Orange Free State), and its relation to "trap-shotten gneiss" and "flinty crush-rock", Geol. Soc. London Q. J. 72, 198-221, 1916.
    • (1916) Geol. Soc. London Q. J. , vol.72 , pp. 198-221
    • Shand, S.J.1
  • 8
    • 0025685839 scopus 로고
    • Review of the pseudotachylites in and around the Vredefort dome, South Africa
    • A.M. Killick and W.U. Reimold, Review of the pseudotachylites in and around the Vredefort Dome, South Africa, S. Afr. J. Geol. 93, 350-365, 1990.
    • (1990) S. Afr. J. Geol. , vol.93 , pp. 350-365
    • Killick, A.M.1    Reimold, W.U.2
  • 9
    • 0021036932 scopus 로고
    • Pseudotachylite from the Vredefort ring, South Africa, and the origins of some lunar breccias
    • E.G. Schwarzman, C.E. Meyer and H.G. Wilshire, Pseudotachylite from the Vredefort ring, South Africa, and the origins of some lunar breccias, Geol. Soc. Am. Bull. 94, 926-935, 1983.
    • (1983) Geol. Soc. Am. Bull. , vol.94 , pp. 926-935
    • Schwarzman, E.G.1    Meyer, C.E.2    Wilshire, H.G.3
  • 10
    • 84879660549 scopus 로고
    • Pseudotachylites of the Vredefort dome and the surrounding Witwatersrand basin, South Africa
    • Large Meteorite Impacts and Planetary Evolution, B.O. Dressler, R.A.F. Grieve, and V.L. Sharpton, eds.
    • W.U. Reimold and W.P. Collision, Pseudotachylites of the Vredefort Dome and the surrounding Witwatersrand basin, South Africa, in: Large Meteorite Impacts and Planetary Evolution, B.O. Dressler, R.A.F. Grieve, and V.L. Sharpton, eds., Geol. Soc. Am. Spec. Pap. 293, 177-196, 1994.
    • (1994) Geol. Soc. Am. Spec. Pap. , vol.293 , pp. 177-196
    • Reimold, W.U.1    Collision, W.P.2
  • 11
    • 0001514128 scopus 로고
    • Coesite and stishovite in the Vredefort dome, South Africa
    • J.E.J. Martini, Coesite and stishovite in the Vredefort Dome, South Africa, Nature 272, 715-717, 1978.
    • (1978) Nature , vol.272 , pp. 715-717
    • Martini, J.E.J.1
  • 12
    • 0026002263 scopus 로고
    • The nature, distribution and genesis of the coesite and stishovite associated with the pseudotachylite of the Vredefort dome, South Africa
    • J.E.J. Martini, The nature, distribution and genesis of the coesite and stishovite associated with the pseudotachylite of the Vredefort Dome, South Africa, Earth Planet. Sci. Lett. 103, 285-300, 1991.
    • (1991) Earth Planet. Sci. Lett. , vol.103 , pp. 285-300
    • Martini, J.E.J.1
  • 13
    • 0002032219 scopus 로고
    • Shock-induced melting and silica polymorph formation, Vredefort structure, South Africa
    • The McLaren Volume, J.N. Boland and J.G. Fitz Gerald, eds., Elsevier
    • J.C. White, Shock-induced melting and silica polymorph formation, Vredefort Structure, South Africa, in: Defects and Processes in the Solid state: Geoscience Applications, The McLaren Volume, J.N. Boland and J.G. Fitz Gerald, eds., pp. 69-84, Elsevier, 1993.
    • (1993) Defects and Processes in the Solid State: Geoscience Applications , pp. 69-84
    • White, J.C.1
  • 14
    • 0028193120 scopus 로고
    • Shock metamorphism of quartz in nature and experiment: I. Basic observation and theory
    • D. Stöffler and F. Langenhorst, Shock metamorphism of quartz in nature and experiment: I. Basic observation and theory, Meteoritics 29, 155-181, 1994.
    • (1994) Meteoritics , vol.29 , pp. 155-181
    • Stöffler, D.1    Langenhorst, F.2
  • 15
    • 0029774158 scopus 로고    scopus 로고
    • Shock metamorphism in quartz in nature and experiment: II. Significance in geoscience
    • R.A.F. Grieve, F. Langenhorst and D. Stoffler, Shock metamorphism in quartz in nature and experiment: II. Significance in geoscience, Meteoritics 31, 6-35, 1996.
    • (1996) Meteoritics , vol.31 , pp. 6-35
    • Grieve, R.A.F.1    Langenhorst, F.2    Stoffler, D.3
  • 16
    • 0028313817 scopus 로고
    • A T.E.M. Investigation of shock metamorphism in quartz from the Vredefort dome, South Africa
    • H. Leroux, W.U. Reimold and J.-C. Doukhan, A T.E.M. investigation of shock metamorphism in quartz from the Vredefort dome, South Africa, Tectonophysics 230, 223-239, 1994.
    • (1994) Tectonophysics , vol.230 , pp. 223-239
    • Leroux, H.1    Reimold, W.U.2    Doukhan, J.-C.3
  • 17
    • 0025247577 scopus 로고
    • Vredefort Bronzite Granophyre: Chemical evidence for origin as a meteorite impact melt
    • B.M. French and R.L. Nielsen, Vredefort Bronzite Granophyre: chemical evidence for origin as a meteorite impact melt, Tectonophysics 171, 119-138, 1990.
    • (1990) Tectonophysics , vol.171 , pp. 119-138
    • French, B.M.1    Nielsen, R.L.2
  • 18
    • 0000556444 scopus 로고
    • The 'Bronzite' - Granophyre from the Vredefort structure - A detailed analytical study and reflections on the origin of one of Vredefort's enigmas
    • W.U. Reimold, H. Horsch and R.J. Durrheim, The 'Bronzite' - Granophyre from the Vredefort Structure - a detailed analytical study and reflections on the origin of one of Vredefort's enigmas, Proc. Lunar Planet. Sci. Conf. 20, 433-450, 1990.
    • (1990) Proc. Lunar Planet. Sci. Conf. , vol.20 , pp. 433-450
    • Reimold, W.U.1    Horsch, H.2    Durrheim, R.J.3
  • 20
    • 0024939577 scopus 로고
    • Iridium in the Vredefort Bronzite Granophyre: Impact melting and limits on a possible extraterrestrial component
    • B.M. French, C.J. Orth and L.R. Quintana, Iridium in the Vredefort Bronzite Granophyre: Impact melting and limits on a possible extraterrestrial component, Proc. Lunar Planet. Sci. Conf. 19, 733-744, 1989.
    • (1989) Proc. Lunar Planet. Sci. Conf. , vol.19 , pp. 733-744
    • French, B.M.1    Orth, C.J.2    Quintana, L.R.3
  • 21
    • 0042017231 scopus 로고    scopus 로고
    • A Re-Os isotope study of the Vredefort Granophyre: Clues to the origin of the Vredefort structure, South Africa
    • in press
    • C. Koeberl, W.U. Reimold and S.B. Shirey, A Re-Os isotope study of the Vredefort Granophyre: Clues to the origin of the Vredefort Structure, South Africa, Geology, in press.
    • Geology
    • Koeberl, C.1    Reimold, W.U.2    Shirey, S.B.3
  • 22
    • 0025227354 scopus 로고
    • A chronostratigraphic framework for the north-central Kaapvaal Craton, the Bushveld Complex and the Vredefort Structure
    • F. Walraven, R.A. Armstrong and F.J. Kruger, A chronostratigraphic framework for the north-central Kaapvaal Craton, the Bushveld Complex and the Vredefort Structure, Tectonophysics 171, 23-48, 1990.
    • (1990) Tectonophysics , vol.171 , pp. 23-48
    • Walraven, F.1    Armstrong, R.A.2    Kruger, F.J.3
  • 23
    • 0026296431 scopus 로고
    • 39Ar stepheating age determinations relevant to the formation of the Vredefort dome, South Africa
    • 39Ar stepheating age determinations relevant to the formation of the Vredefort Dome, South Africa, S. Afr. J. Sci. 87, 431-442, 1991.
    • (1991) S. Afr. J. Sci. , vol.87 , pp. 431-442
    • Allsopp, H.L.1    Fitch, F.J.2    Miller, J.A.3    Reimold, W.U.4
  • 24
    • 0026487010 scopus 로고
    • Frictional melting processes and products in geological materials
    • J.F. Magloughlin and J.G. Spray, eds., Frictional Melting Processes and Products in Geological Materials, Tectonophysics 204, 197-337, 1992.
    • (1992) Tectonophysics , vol.204 , pp. 197-337
    • Magloughlin, J.F.1    Spray, J.G.2
  • 25
    • 84879674070 scopus 로고
    • Pseudotachylytic rock distribution and genesis within the sudbury impact structure
    • B.O. Dressler, R.A.F. Grieve and V.L. Sharpton, eds., Large Meteorite Impacts and Planetary Evolution
    • L.M. Thompson and J.G. Spray, Pseudotachylytic rock distribution and genesis within the Sudbury impact structure, in: B.O. Dressler, R.A.F. Grieve and V.L. Sharpton, eds., Large Meteorite Impacts and Planetary Evolution, Geol. Soc. Am. Spec. Pap. 293, 275-287, 1994.
    • (1994) Geol. Soc. Am. Spec. Pap. , vol.293 , pp. 275-287
    • Thompson, L.M.1    Spray, J.G.2
  • 27
    • 0025233172 scopus 로고
    • 39Ar dating of pseudotachylite from the Vredefort structure, South Africa - A progress report
    • 39Ar dating of pseudotachylite from the Vredefort structure, South Africa - A progress report, Tectonophysics 171, 139-152, 1990.
    • (1990) Tectonophysics , vol.171 , pp. 139-152
    • Reimold, W.U.1    Jessberger, E.K.2    Stephan, T.3
  • 29
    • 0002854797 scopus 로고
    • 39Ar dating of pseudotachylites and the age of the Vredefort impact event
    • 39Ar dating of pseudotachylites and the age of the Vredefort impact event, Meteoritics 30, 335-343, 1995.
    • (1995) Meteoritics , vol.30 , pp. 335-343
    • Spray, J.G.1    Kelley, S.P.2    Reimold, W.U.3
  • 30
    • 38249010842 scopus 로고
    • Breccias in the basement of a deeply eroded impact structure, Sudbury, Canada
    • V. Müller-Mohr, Breccias in the basement of a deeply eroded impact structure, Sudbury, Canada, Tectonophysics 216, 219-226, 1992.
    • (1992) Tectonophysics , vol.216 , pp. 219-226
    • Müller-Mohr, V.1
  • 32
    • 0026308410 scopus 로고
    • The Sudbury structure: Controversial or misunderstood?
    • R.A.F. Grieve, D. Stöffler and A. Deutsch, The Sudbury Structure: Controversial or misunderstood?, J. Geophys. Res. 96, E5, 22753-22764, 1991.
    • (1991) J. Geophys. Res. , vol.96 , Issue.E5 , pp. 22753-22764
    • Grieve, R.A.F.1    Stöffler, D.2    Deutsch, A.3
  • 34
    • 0028594958 scopus 로고
    • Gravity and magnetic modeling and structure of the Chicxulub Crater, Mexico
    • M. Pilkington and A.R. Hildebrand, Gravity and magnetic modeling and structure of the Chicxulub Crater, Mexico, J. Geophys. Res. 99, E6, 13147-13162, 1994.
    • (1994) J. Geophys. Res. , vol.99 , Issue.E6 , pp. 13147-13162
    • Pilkington, M.1    Hildebrand, A.R.2
  • 36
    • 0001217360 scopus 로고
    • Precise U-Pb zircon and baddeleyite ages of the Sudbury Area
    • The Geology and Ore Deposits of the Sudbury Structure, E.G. Pye, A.J. Naldrett and P.E. Giblin, eds.
    • T.E. Krogh, D.W. Davis and F. Corfu, Precise U-Pb zircon and baddeleyite ages of the Sudbury Area, in: The Geology and Ore Deposits of the Sudbury Structure, E.G. Pye, A.J. Naldrett and P.E. Giblin, eds., Ontario Geol. Surv. Spec. Vol. 1, 431-446, 1984.
    • (1984) Ontario Geol. Surv. Spec. Vol. , vol.1 , pp. 431-446
    • Krogh, T.E.1    Davis, D.W.2    Corfu, F.3
  • 37
    • 84879881818 scopus 로고
    • Did the Manicouagan impact trigger end-of-Triassic mass extinction?
    • J.P. Hodych and G.R. Dunning, Did the Manicouagan impact trigger end-of-Triassic mass extinction?, Geology 20, 51-54, 1992.
    • (1992) Geology , vol.20 , pp. 51-54
    • Hodych, J.P.1    Dunning, G.R.2
  • 38
    • 0025955963 scopus 로고
    • Aspects of the dynamic and thermal metamorphic history of the vredefort cryptoexplosion structure: Implications for its origin
    • R.J. Hart, M.A.G. Andreoli, W.U. Reimold and M. Tredoux, Aspects of the dynamic and thermal metamorphic history of the Vredefort cryptoexplosion structure: implications for its origin, Tectonophysics 192, 313-331, 1991.
    • (1991) Tectonophysics , vol.192 , pp. 313-331
    • Hart, R.J.1    Andreoli, M.A.G.2    Reimold, W.U.3    Tredoux, M.4
  • 39
    • 0023698236 scopus 로고
    • The history and origin of the Vredefort Dome
    • A.A. Bisschoff, The history and origin of the Vredefort Dome, S. Afr. J. Sci. 84, 413-417, 1988.
    • (1988) S. Afr. J. Sci. , vol.84 , pp. 413-417
    • Bisschoff, A.A.1
  • 40
    • 0003187418 scopus 로고
    • Stratigraphy of South Africa
    • Comp. L.E. Kent, Lithostratigraphy of the Republic of South Africa, South West Africa/Namibia, and the Republics of Bophutatswana, Transkei and Venda, 690 pp.
    • South African Committee for Stratigraphy (SACS), Stratigraphy of South Africa, Part 1 (Comp. L.E. Kent), Lithostratigraphy of the Republic of South Africa, South West Africa/Namibia, and the Republics of Bophutatswana, Transkei and Venda, Handb. Geol. Surv. S. Afr. 8, 690 pp., 1980.
    • (1980) Handb. Geol. Surv. S. Afr. , vol.8 , Issue.1 PART
  • 41
    • 0025232113 scopus 로고
    • The geology and gravity field in the central core of the Vredefort structure
    • D. Stepto, The geology and gravity field in the central core of the Vredefort structure, Tectonophysics 171, 75-103, 1990.
    • (1990) Tectonophysics , vol.171 , pp. 75-103
    • Stepto, D.1
  • 42
    • 0025207032 scopus 로고
    • Geochemistry across an exposed section of Archaean crust at Vredefort: With implications for mid-crustal discontinuities
    • R.J. Hart, M.A.G. Andreoli, M. Tredoux and M.J. de Wit, Geochemistry across an exposed section of Archaean crust at Vredefort: with implications for mid-crustal discontinuities, Chem. Geol. 82, 21-50, 1990.
    • (1990) Chem. Geol. , vol.82 , pp. 21-50
    • Hart, R.J.1    Andreoli, M.A.G.2    Tredoux, M.3    De Wit, M.J.4
  • 43
    • 0029475813 scopus 로고
    • Pseudotachylite - Generation by friction melting and shock brecciation? - A review and discussion
    • W.U. Reimold, Pseudotachylite - Generation by friction melting and shock brecciation? - A review and discussion, Earth Sci. Rev. 39, 3/4, 247-264, 1995.
    • (1995) Earth Sci. Rev. , vol.39 , Issue.3-4 , pp. 247-264
    • Reimold, W.U.1
  • 44
    • 0019727005 scopus 로고
    • Geochronology of the deep profile through Archaean basement at Vredefort, with implications for early crustal evolution
    • R.J. Hart, H.J. Welke and L.O. Nicolaysen, Geochronology of the deep profile through Archaean basement at Vredefort, with implications for early crustal evolution, J. Geophys. Res. 86, B11, 10663-10680, 1981.
    • (1981) J. Geophys. Res. , vol.86 B11 , pp. 10663-10680
    • Hart, R.J.1    Welke, H.J.2    Nicolaysen, L.O.3
  • 46
    • 0027788341 scopus 로고
    • U-Pb ages of single shocked zircons linking distal ejecta to the Chicxulub crater
    • T.E. Krogh, S.L. Kamo, V.L. Sharpton, L.E. Marin and A.R. Hildebrand, U-Pb ages of single shocked zircons linking distal ejecta to the Chicxulub crater, Nature 366, 731-734, 1993.
    • (1993) Nature , vol.366 , pp. 731-734
    • Krogh, T.E.1    Kamo, S.L.2    Sharpton, V.L.3    Marin, L.E.4    Hildebrand, A.R.5
  • 47
    • 0027804916 scopus 로고
    • Fingerprinting the K/T impact site and determining the time of impact by U-Pb dating of single shocked zircons from distal ejecta
    • T.E. Krogh, S.L. Kamo and B.F. Bohor, Fingerprinting the K/T impact site and determining the time of impact by U-Pb dating of single shocked zircons from distal ejecta, Earth Planet. Sci. Lett. 119, 425-429, 1993.
    • (1993) Earth Planet. Sci. Lett. , vol.119 , pp. 425-429
    • Krogh, T.E.1    Kamo, S.L.2    Bohor, B.F.3
  • 48
    • 84879886936 scopus 로고
    • Chicxulub crater source for shocked zircon crystals from the Cretaceous-Tertiary boundary layer, saskatchewan: Evidence from new U-Pb data
    • S.L. Kamo and T.E. Krogh, Chicxulub crater source for shocked zircon crystals from the Cretaceous-Tertiary boundary layer, Saskatchewan: Evidence from new U-Pb data, Geology 23, 281-284, 1995.
    • (1995) Geology , vol.23 , pp. 281-284
    • Kamo, S.L.1    Krogh, T.E.2
  • 49
    • 0027847057 scopus 로고
    • Impact-shocked zircons: Discovery of shock-induced textures reflecting increasing degrees of shock metamorphism
    • B.F. Bohor, W.J. Betterton and T.E. Krogh, Impact-shocked zircons: discovery of shock-induced textures reflecting increasing degrees of shock metamorphism, Earth Planet. Sci. Lett. 119, 419-424, 1993.
    • (1993) Earth Planet. Sci. Lett. , vol.119 , pp. 419-424
    • Bohor, B.F.1    Betterton, W.J.2    Krogh, T.E.3
  • 50
    • 85040233176 scopus 로고    scopus 로고
    • Shock metamorphosed zircons with correlated U-Pb discordance and melt rocks with concordant protolith ages indicate an impact origin for the Sudbury Structure
    • Earth Processes: Reading the Isotopic Code, S. Hart and A. Basu, eds.
    • T.E. Krogh, S.L. Kamo and B.F. Bohor, Shock metamorphosed zircons with correlated U-Pb discordance and melt rocks with concordant protolith ages indicate an impact origin for the Sudbury Structure, in: Earth Processes: Reading the Isotopic Code, S. Hart and A. Basu, eds., Am. Geophys. Union Geophys. Monogr. 95, 343-353, 1996.
    • (1996) Am. Geophys. Union Geophys. Monogr. , vol.95 , pp. 343-353
    • Krogh, T.E.1    Kamo, S.L.2    Bohor, B.F.3
  • 51
    • 0025598493 scopus 로고
    • Isotope systematics and shock-wave metamorphism: II. U-Pb and Rb-Sr in naturally shocked rocks; the Haughton Impact Structure, Canada
    • U. Schärer and A. Deutsch, Isotope systematics and shock-wave metamorphism: II. U-Pb and Rb-Sr in naturally shocked rocks; the Haughton Impact Structure, Canada, Geochim. Cosmochim. Acta 54, 3435-3447, 1990.
    • (1990) Geochim. Cosmochim. Acta , vol.54 , pp. 3435-3447
    • Schärer, U.1    Deutsch, A.2
  • 52
    • 0025603348 scopus 로고
    • Isotope systematics and shock-wave metamorphism: I. U-Pb in zircon, titanite, and monazite, shocked experimentally up to 59 GPa
    • A. Deutsch and U. Schärer, Isotope systematics and shock-wave metamorphism: I. U-Pb in zircon, titanite, and monazite, shocked experimentally up to 59 GPa, Geochim. Cosmochim. Acta 54, 3427-3434, 1990.
    • (1990) Geochim. Cosmochim. Acta , vol.54 , pp. 3427-3434
    • Deutsch, A.1    Schärer, U.2
  • 53
    • 0043019081 scopus 로고    scopus 로고
    • Impact melt dikes in the Sudbury multi-ring basin (Canada): Implications from U-Pb geochronology on the Foy Offset Dike
    • in press
    • M. Ostermann, U. Schärer and A. Deutsch, Impact melt dikes in the Sudbury multi-ring basin (Canada): Implications from U-Pb geochronology on the Foy Offset Dike, Meteoritics, in press.
    • Meteoritics
    • Ostermann, M.1    Schärer, U.2    Deutsch, A.3
  • 54
    • 0030391498 scopus 로고    scopus 로고
    • U-Pb geochronology of the sublayer environment, Sudbury Igneous Complex, Ontario
    • in press
    • F. Corfu and P.C. Lightfoot, U-Pb geochronology of the Sublayer environment, Sudbury Igneous Complex, Ontario, Econ. Geol., in press.
    • Econ. Geol.
    • Corfu, F.1    Lightfoot, P.C.2
  • 55
    • 49549161213 scopus 로고
    • A low contamination method for the hydrothermal decomposition of zircon and extraction of U and Pb for isotopic age determinations
    • T.E. Krogh, A low contamination method for the hydrothermal decomposition of zircon and extraction of U and Pb for isotopic age determinations, Geochim. Cosmochim. Acta 37, 485-494, 1973.
    • (1973) Geochim. Cosmochim. Acta , vol.37 , pp. 485-494
    • Krogh, T.E.1
  • 56
    • 49549142956 scopus 로고
    • Approximation of terrestrial lead isotope evolution by a two-stage model
    • J.S. Stacey and J.D. Kramers, Approximation of terrestrial lead isotope evolution by a two-stage model, Earth Planet. Sci. Lett. 26, 207-221, 1975.
    • (1975) Earth Planet. Sci. Lett. , vol.26 , pp. 207-221
    • Stacey, J.S.1    Kramers, J.D.2
  • 58
    • 0019998404 scopus 로고
    • Optimum linear regression and error estimation applied to U-Pb data
    • D.W. Davis, Optimum linear regression and error estimation applied to U-Pb data, Can. J. Earth Sci. 19, 2141-2149, 1982.
    • (1982) Can. J. Earth Sci. , vol.19 , pp. 2141-2149
    • Davis, D.W.1
  • 59
    • 0030756818 scopus 로고    scopus 로고
    • Dating the shock wave and thermal imprint of the giant Vredefort Impact Structure
    • in press
    • D. Moser, Dating the shock wave and thermal imprint of the giant Vredefort Impact Structure, Geology, in press.
    • Geology
    • Moser, D.1
  • 60
    • 0026278733 scopus 로고
    • Zircon ion-microprobe studies bearing on the age and evolution of the Witwatersrand Triad
    • R.A. Armstrong, W. Compston, E.A. Retief, I.S. Williams and H.J. Welke, Zircon ion-microprobe studies bearing on the age and evolution of the Witwatersrand Triad, Precam. Res. 53, 243-266, 1991.
    • (1991) Precam. Res. , vol.53 , pp. 243-266
    • Armstrong, R.A.1    Compston, W.2    Retief, E.A.3    Williams, I.S.4    Welke, H.J.5
  • 61
    • 0028193702 scopus 로고
    • Dating terrestrial impact events
    • A. Deutsch and U. Schärer, Dating terrestrial impact events, Meteoritics 29, 301-322, 1994.
    • (1994) Meteoritics , vol.29 , pp. 301-322
    • Deutsch, A.1    Schärer, U.2
  • 63
    • 0029512944 scopus 로고
    • U-Xe dating of Witwatersrand uraninites: Implications for geological activity in the Central Kaapvaal Craton about 1 Ga ago
    • W.U. Reimold, A.P. Meshik, G. Smit, O.V. Pravditseva and Yu.A. Shukolyukov, U-Xe dating of Witwatersrand uraninites: Implications for geological activity in the Central Kaapvaal Craton about 1 Ga ago, Geochim. Cosmochim. Acta 59, 5177-5190, 1995.
    • (1995) Geochim. Cosmochim. Acta , vol.59 , pp. 5177-5190
    • Reimold, W.U.1    Meshik, A.P.2    Smit, G.3    Pravditseva, O.V.4    Shukolyukov, W.A.5
  • 64
    • 0042017223 scopus 로고
    • Proc. Symp. On the economic significance of metamorphism and fluid movement within the witwatersrand basin
    • 56 pp.
    • W.U. Reimold (Comp.), Proc. Symp. on the Economic Significance of Metamorphism and Fluid Movement Within the Witwatersrand Basin. Econ. Geol. Res. Unit, Univ. Witwatersrand, Inf. Circ. 296, 56 pp., 1995.
    • (1995) Econ. Geol. Res. Unit, Univ. Witwatersrand, Inf. Circ. , vol.296
    • Reimold, W.U.1
  • 65
    • 0019998492 scopus 로고
    • Improved accuracy of U-Pb zircon ages by the creation of more concordant systems using an air abrasion technique
    • T.E. Krogh, Improved accuracy of U-Pb zircon ages by the creation of more concordant systems using an air abrasion technique, Geochim. Cosmochim. Acta 46, 637-649, 1982.
    • (1982) Geochim. Cosmochim. Acta , vol.46 , pp. 637-649
    • Krogh, T.E.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.