U-Pb geochronology of the Sublayer Environment, Sudbury Igneous Complex, Ontario

Economic Geology

Volumn 91, Issue 7, 1996, Pages 1263-1269

  Corfu, F ^a   Llghtfoot, P C ^b,c  

^a DEPARTMENT OF NATURAL HISTORY   (Canada)

^b Ontario Geological Survey   (Canada)

^c Engineering Building   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

CUMULATE; IGNEOUS ROCK; PROTEROZOIC; ULTRAMAFIC ROCK; URANIUM/LEAD DATING;

CANADA, ONTARIO, SUDBURY;

EID: 0030391498     PISSN: 03610128     EISSN: None     Source Type: Journal    
DOI: 10.2113/gsecongeo.91.7.1263     Document Type: Article

References (31)

1. Cochrane, L.B., 1984, Ore deposits of the Copper Cliff offset: Ontario Geological Survey Special Volume 1, p. 347-359.
2. Corfu, F., and Noble, S.R., 1992, Genesis of the southern Abitibi greenstone belt, Superior province, Canada: Evidence from zircon Hf-isotope analyses using a single filament technique: Geochimica et Cosmochimica Acta, v. 56, p. 2081-2097.
3. Dickin, A.P., Artan, M.A., and Crocket, J.H., 1996, Isotopic evidence for distinct crustal sources of North and South Range ores, Sudbury Igneous Complex: Geochimica et Cosmochimica Acta, v. 60, p. 1605-1613.
4. Dietz, R.S., 1964, Sudbury structure as an astrobleme: Journal of Geology, v. 72, p. 412-434.
5. Dressler, B.O., 1984, General geology of the Sudbury area: Ontario Geological Survey Special Volume 1, p. 57-82.
6. Faggart, B.E., Jr., Basu, A.R., and Tatsumoto, M., 1985, Origin of the Sudbury Complex by meteoritic impact: Neodymium isotopic evidence: Science, v. 230, p. 346-439.
7. Farrell, K.P.J., Lightfoot, P.C., and Keays, R.R., 1994, Ultramafic inclusions in the Sublayer, Whistle mine, Sudbury Igneous Complex, Sudbury, Ontario: Ontario Geological Survey Miscellaneous Paper 163, p. 87-94.
8. Golightly, J.P., 1994, The Sudbury Igneous Complex as an impact melt: Evolution and ore: Ontario Geological Survey Special Volume 5, p. 105-117.
9. Grant, R.W., and Bite, A., 1984, Sudbury quartz diorite Offset dikes: Ontario Geological Survey Special Volume 1, p. 275-300.
10. Grieve, R.A.F., 1994, An impact model for the Sudbury structure: Ontario Geological Survey Special Volume 5, p. 119-132.
11. 2): Chemical Geolog, v. 110, p. 95-126.
12. 238U: Physical Revue C, Nuclear Physics, v. 4, p.1889-1906.
13. Krogh, T.E., 1973, A low contamination method for hydrothermal decomposition of zircon and extraction of U-Pb for isotopic age determinations: Geochimica et Cosmochimica Acta, v. 37, p. 485-494.
14. _1982, Improved accuracy of U-Pb zircon ages by the creation of more concordant systems using an air abrasion technique: Geochimica et Cosmochimica Acta, v. 46, p. 637-649.
15. Krogh, T.E., McNutt, R.H., and Davis, G.L., 1982, Two high precision U-Pb zircon ages for the Sudbury nickel irniptive: Canadian Journal of Earth Sciences, v. 19, p. 723-728.
16. Krogh, T.E., Davis, D.W., and Corfu, F., 1984, Precise U-Pb zircon and baddeleyite ages for the Sudbury area: Ontario Geological Survey Special Volume 1, p. 431-446.
17. Krogh, T.E., Kamo, S.L., and Bohor, B.F., 1996, Shock metamorphosed zircons with correlated U-Pb discordance and melt rocks with concordant protolith ages indicate an impact origin for the Sudbury: American Geophysical Union Geophysical Monograph 95, p. 343-353.
18. Lightfoot, P.C., Keays, R.R., Moore, M., Farrell, K., and Pekeski, D., 1994, Geochemistry of the Sudbury Igneous Complex: Ontario Geological Survey Miscellaneous Paper 163, p. 81-86.
19. Lightfoot, P.C., Farrell, K., Moore, M., Pekeski, D., Crabtree, D., and Keays, R.R., 1995a, Geochemical relationships between the Sublayer, Main Mass, and offsets, constraints on the origin of the Sudbury Igneous Complex: International Field Conference and Symposium of International Geological Correlation Program 336, Duluth, MN., August 19-September 1, 1995, Proceedings, p. 109-110.
20. _1995b, Geochemical variations within the Sublayer and the mafic-ultramafic inclusions, Whistle mine, Sudbury Igneous Complex, Canada: International Field Conference and Symposium of International Geological Correlation Program 336, Duluth, MN, August 19-September 1, 1995, Proceedings, p. 111-112.
21. _1995c, Geochemical relationships among the Main Mass, Sublayer and offsets of the Sudbury Igneous Complex, Ontario, Canada: Ontario Geological Survey Miscellaneous Paper 164, p. 116-121.
22. Morrison, G.G., 1984, Morphological features of the Sudbury structure in relation to an impact origin: Ontario Geological Survey Special Volume 1, p. 513-520.
23. Morrison, G.G., Jago, B.C., and White, T.L., 1994, Footwall mineralization of the Sudbury Igneous Complex: Ontario Geological Survey Special Volume 5, p. 57-64.
24. Naldrett, A.J., 1994, The Sudbury-Noril'sk symposium, an overview: Ontario Geological Survey Special Volume 5, p. 3-8.
25. Naldrett, A.J., Hewins, R.H., Dressier, B.O., and Rao, B.V., 1984, The Contact Sublayer of the Sudbury Igneous Complex: Ontario Geological Survey Special Volume 1, p. 253-274.
26. Osterman, M. Schärer, U., and Deutsch, A., 1996, Impact melt dikes in the Sudbury multi-ring basin (Canada): Implications from U-Pb geochronology on the Foy offset dike: Meteoritics and Planetary Science, v. 31, p. 494-501.
27. Pattison, E.F., 1979, The Sudbury Sublayer: Canadian Mineralogist, v. 17, p. 257-274.
28. Pupin, J.P., 1980, Zircon and granite petrology: Contributions to Mineralogy and Petrology, v. 73, p. 207-220.
29. Roeder, P., and Emslie, R.F., 1970, Olivine-liquid equilibrium: Contributions to Mineralogy and Petrology, v. 29, p. 275-289.
30. Souch, B.E., Podolsky, T., and geological staff, International Nickel Co. of Canada Ltd, 1969, The sulfide ores of Sudbury: Their particular relationship to a distinctive inclusion-bearing facies of the nickel irruptive: ECONOMIC GEOLOGY MONOGRAPH 4, p. 252-261.
31. Stacey, J.S., and Kramers, J.D, 1975, Approximation of terrestrial lead isotope evolution by a two-stage model: Earth and Planetary Science Letters, v. 34, p. 207-226.