Tectonic influence on Late Proterozoic Avalonian magmatism: An example from the Greendale complex, Antigonish Highlands, Nova Scotia, Canada

Memoir of the Geological Society of America

Volumn 191, Issue , 1997, Pages 255-274

  Murphy, J Brendan ^a   Hynes, Andrew J ^b   Cousens, Brian ^c  

^a ST FRANCIS XAVIER UNIVERSITY   (Canada)

^b MCGILL UNIVERSITY   (Canada)

^c CARLETON UNIVERSITY   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

GEOCHEMISTRY; GRANITE; MIXING;

BASALTIC ANDESITE; CHEMICAL FEATURES; COMPOSITIONAL VARIATION; FELSIC MAGMA; GEOCHEMICAL CHARACTERISTIC; LOCAL STRUCTURE; MAGMATIC ACTIVITY; TECTONIC INFLUENCE;

VOLCANIC ROCKS;

ALKALI BASALT; AVALONIA; FELSIC ROCK; IGNEOUS GEOCHEMISTRY; MAGMATISM; PROTEROZOIC; TECTONIC SETTING;

ANTIGONISH HIGHLANDS; CANADA; NOVA SCOTIA;

EID: 0004077978     PISSN: 00721069     EISSN: None     Source Type: Book Series    
DOI: 10.1130/0-8137-1191-6.255     Document Type: Article

References (62)

1. Arndt, N. T., and Goldstein, S. L., 1987, Use and abuse of crust formation ages: Geology, v. 15, p. 893-895.
2. Arth, J., 1976, Behavior of trace elements during magmatic processes and their applications: U.S. Geological Survey Journal of Research, v. 4, p. 41-47.
3. Barr, S. M., and Hegner, E., 1992, Nd isotopic compositions of felsic igneous rocks in Cape Breton Island, Nova Scotia: Canadian Journal of Earth Sciences, v. 29, p. 650-657.
4. Barr, S. M., and White, C. E., 1988, Petrochemistry of contrasting Late Precambrian volcanic and plutonic associations, Caledonian Highlands, southern New Brunswick: Maritime Sediments and Atlantic Geology, v. 24, p. 353-372.
5. Baxter, A. N., Upton, B. G. J., and White, W. M., 1985, Petrology and geochemistry of Rodrigues Island, Indian Ocean: Contributions to Mineralogy and Petrology, v. 89, p. 90-101.
6. Bernasconi, A., 1987, The major Precambrian terranes of eastern South America: A study of their regional and chronological evolution: Precambrian Research, v. 37, p. 107-124.
7. Bond, G. C, Nickerson, P. A., and Kominz, M. A., 1984, Breakup of a of supercontinent between 625 Ma and 555 Ma: New evidence and implications for continental histories: Earth and Planetary Science Letters, v. 70, p. 325-345.
8. Bowes, D. R., and MacArthur, A. C, 1976, Nature and genesis of the appinite suite: Krystalinikum, v. 12, p. 31-46.
9. Cleverly, R. W., Betton, P. J., and Bristow, J. W., 1986, Geochemistry and petrogenesis of the Lebombo rhyolites, in Erlank, A. J., ed., Petrogenesis of the volcanic rocks of the Karoo Province: Geological Society of South Africa Special Publication 13, p. 171-194.
10. Currie, K. L., and Eby, G. N., 1990, Geology and geochemistry of the late Precambrian Coldbrook Group near Saint John, New Brunswick: Canadian Journal of Earth Sciences, v. 27, p. 1418-1430.
11. Currie, K. L., and Piasecki, M. A. J., 1989, Kinematic model for southwestern Newfoundland based on Silurian sinistral shearing: Geology, v. 17, p. 938-941.
12. Daly, J. S., and McLelland, J. M., 1991, Juvenile Middle Proterozoic crust in the Adirondack Highlands, Grenville Province, northeastern North America: Geology, v. 19, p. 119-122.
13. Dalziel, I., 1992, On the organization of American plates in the Late Proterozoic and the breakout of Laurentia: GSA Today, v. 2, p. 238-241.
14. DePaolo, D. J., 1981, Neodymium isotopes in the Colorado Front Range and crust-mantle evolution in the Proterozoic: Nature, v. 291, p. 193-196. (Pubitemid 11081514)
15. DePaolo, D. J., 1988, Neodymium isotope geochemistry: An introduction: New York, Springer-Verlag, 187 p.
16. Dickin, A. P., and McNutt, R. H., 1989, Nd model age mapping of the southeast margin of the Archean foreland in the Grenville Province of Ontario: Geology, v. 17, p. 299-302.
17. Dickin, A. P., McNutt, R. H., and Clifford, P. M., 1990, A neodymium isotope study of plutons near the Grenville Front in Ontario, Canada: Chemical Geology, v. 83, p. 315-324.
18. Dunning, G. R., O'Brien, S. J., Colman-Sadd, S. P., Blackwood, R. F., Dickson, W. L., O'Neill, P. P., and Krogh, T. E., 1990, Silurian orogeny in the Newfoundland Appalachians: Journal of Geology, v. 98, p. 895-913.
19. Fryer, B. J., Kerr, A., Jenner, G. A., and Longstaffe, F J., 1992, Probing the crust with plutons: Regional isotopic geochemistry of granitoid intrusions across insular Newfoundland, in Current research, 1992: Geological Survey of Canada Report 92-4, p. 119-139.
20. Geological Survey of Canada, 1982, Experimental colour compilation, high resolution aeromagnetic vertical gradient, parts of 11E/8, 11E/9, 11F/5, 11F/12, Nova Scotia: Geological Survey of Canada Map 40 079G, scale 1:50,000.
21. Gibbons, W., 1994, Suspect terranes, in Hancock, P. L., ed., Continental deformation: Ottawa, Pergamon Press, p. 305-319.
22. Hibbard, J., 1994, Kinematics of Acadian deformation in the Northern and Newfoundland Appalachians: Journal of Geology, v. 102, p. 215-229.
23. Hofmann, A. W., 1988, Chemical differentiation of the Earth: The relationship between mantle, continental and oceanic crust: Earth and Planetary Science Letters, v. 90, p. 297-314.
24. Irving, A. J., and Frey, F A., 1984, Trace element abundances in megacrysts and their host basalts: Constraints on partition coefficients and megacryst genesis: Geochimica et Cosmochimica Acta, v. 48, p. 1201-1221.
25. Jacobsen, S. B., and Wasserburg, G. J., 1980, Sm-Nd evolution of chondrites: Earth and Planetary Science Letters, v. 50, p. 139-155.
26. Keppie, J. D., 1983, The Minas geofracture, in St.-Julien, P., and Beland, J., eds., Major structural zones and faults of the Northern Appalachians: Geological Association of Canada Special Paper 24, p. 263-279.
27. Keppie, J. D., 1985, The Appalachian College, in Gee, D. G., and Sturt, B., eds., The Caledonide Orogen, Scandinavia, and related areas: New York, John Wiley, p. 1217-1226.
28. Keppie, J. D., 1989, Northern Appalachian terranes and their accretionary history, in Dallmeyer, R. D., ed., Terranes of the circum-Atlantic Paleozoic orogens: Geological Society of America Special Paper 230, p. 159-192.
29. Keppie, J. D., 1993, Synthesis of Paleozoic deformational events and terrane accretion in the Canadian Appalachians: Geologische Rundschau, v. 82, p. 381-431. (Pubitemid 24420667)
30. Keppie, J. D., and Dallmeyer, R. D., compilers, 1989, Tectonic map of Pre-Mesozoic terranes in Circum-Atlantic Phanerozoic orogens: International Geological Correlation Programme, Project 233: Halifax, Nova Scotia Department of Natural Resources, scale 1:5,000,000.
31. Keppie, J. D., and Dostal, J., 1991, Late Proterozoic tectonic model for the Avalon Terrane in Maritime Canada: Tectonics, v. 10, p. 842-850.
32. Keppie, J. D., and Krogh, T. E., 1990, Detrital zircon ages from Late Precambrian conglomerates, Avalon Composite Terrane, Antigonish Highlands, Nova Scotia: Geological Society of America Abstracts with Programs, v. 22, no. 2, p. 27-28.
33. 39Ar geochronology of Late Precambrian plutons in the Avalon Composite Terrane of Nova Scotia: Geological Society of America Bulletin, v. 102, p. 516-528.
34. 39Ar mineral ages from Cape North area, northern Cape Breton Island: Implications for accretion of the Avalon Composite Terrane: Canadian Journal of Earth Sciences, v. 29, p. 277-295.
35. Marcantonio, F., Dickin, A. P., McNutt, R. H., and Heaman, L. M., 1990, Isotopic evidence for the crustal evolution of the Frontenac Arch in the Grenville Province of Ontario, Canada: Chemical Geology, v. 83, p. 297-314.
36. McKerrow, W. S., and Scotese, C. R., 1990, Palaeozoic palaeogeography and biogeography: Geological Society of London Memoir 12, 435 p.
37. Miyashiro, A., 1974, Volcanic rock series in island arcs and active continental margins: American Journal of Science, v. 274, p. 321-355.
38. Murphy, J. B., and Hynes, A. J., 1990, Tectonic control on the origin and development of igneous layering: An example from the Greendale Complex Antigonish Highland: Geology, v. 18, p. 403-406.
39. Murphy, J. B., and Keppie, J. D., 1987, The stratigraphy and depositional environment of the Late Precambrian Georgeville Group, Antigonish Highlands, Nova Scotia: Maritime Sediments and Atlantic Geology, v. 23, p. 49-61.
40. Murphy, J. B., and Nance, R. D., 1989, A model for the evolution of the Avalonian-Cadomian belt: Geology, v. 17, p. 735-738.
41. Murphy, J. B., and Nance, R. D., 1991, Contrasting character of Late Proterozoic orogenic belts and the evolution of a Late Proterozoic supercontinent: Geology, v. 19, p. 469-472.
42. Murphy, J. B., Keppie, J. D., Dostal, J., and Hynes, A. J., 1990, Late Precambrian Georgeville Group: A volcanic arc rift succession in the Avalon Terrane of Nova Scotia, in D'Lemos, R. D., Strachan, R. A., and Topley, C. G., eds., The Cadomian orogeny: Geological Society of London Special Publication 51, p. 383-393.
43. Murphy, J. B., Keppie, J. D., and Hynes, A. J., 1991, Geology of the Antigonish Highlands: Geological Survey of Canada Paper 89-10, 114 p.
44. Murphy, J. B., Keppie, J. D., Dostal, J., and Cousens, B. L., 1996, Repeated Late Neoproterozoic-Silurian lower crustal melting beneath the Antigonish Highlands, Nova Scotia: Nd isotopic evidence and tectonic interpretations, in Nance, R. D., and Thompson, M. D., eds., Avalonian and related peri-Gondwanan terranes of the circum North Atlantic: Geological Society of America Special Paper 304, p. 109-120.
45. Nance, R. D., and Murphy, J. B., 1994, Contrasting basement signatures and the palinspastic restoration of peripheral orogens: Example from the Late Proterozoic Avalonian-Cadomian belt: Geology, v. 22, p. 617-620. (Pubitemid 24428859)
46. O'Brien, S. J., O'Brien, B. H., O'Driscoll, C. F., Dunning, G. R., Holdsworth, R. E., and Tucker, R., 1991, Silurian orogenesis and the NW limit of Avalonian rocks in the Hermitage Flexure, Newfoundland Appalachians: Geological Association of Canada Abstract with Programs, v. 16, p. 13A.
47. Patchett, P. J., and Ruiz, J., 1989, Nd isotopes and the origin of Grenville-age rocks in Texas: Implications for Proterozoic evolution of the United States in the mid-continent region: Journal of Geology, v. 97, p. 685-695.
48. Pearce, J. A., and Norry, M. J., 1979, Petrogenetic implications of Ti, Zr, Y, and Nb variations in volcanic rocks: Contributions to Mineralogy and Petrology, v. 69, p. 33-47.
49. Pearce, J. A., Harris, N. B.W., and Tindle, A. G., 1984a, Trace element discrimination diagrams for the tectonic interpretation of granitic rocks: Journal of Petrology, v. 25, p. 956-983.
50. Pearce, J. A., Lippard, S. J., and Roberts, S., 1984b, Characteristics and tectonic significance of supra-subduction zone ophiolites, in Kokelaar, B. P., and Howells, M. F., eds., Marginal basin geology (Geological Society of London Special Publication 16): London, Blackwell Scientific Publications, p. 77-96.
51. Pitcher, W. S., and Berger, A. R., 1972, The geology of Donegal: London. Wiley Interscience, 435 p.
52. Rocci, G., Bronner, G., and Deschamps, M., 1991, Crystalline basement of the West African Craton, in Dallmeyer, R. D., and Lécorché, J. P., eds., The West African orogens and circum-Atlantic correlatives: Heidelberg, Springer-Verlag, p. 31-61.
53. Shervais, J. W., 1982, Ti-V plots and the petrogenesis of modern and ophiolitic lavas: Earth and Planetary Science Letters, v. 59, p. 101-118.
54. Stern, R. J., and Gottfried, D., 1986, Petrogenesis of a Late Precambrian (575-600 Ma) bimodal suite in Northeast Africa: Contributions to Mineralogy and Petrology, v. 92, p. 462-501.
55. Stewart, B. W., and DePaolo, D. J., 1992, Diffusive isotopic contamination of mafic magma by coexisting silicic liquid in the Muskox Intrusion: Nature, v. 255, p. 708-711.
56. Sun, S-S., and McDonough, W. F., 1990, Chemical and isotopic systematics of oceanic basalts: Implications for mantle compositions and processes, in Saunders, A. D., and Norry, M. J., eds., Magmatism in the ocean basins: Geological Society of London Special Publication 42, p. 313-345.
57. Taylor, S. R., and McLennan, S. M., 1985, The continental crust: Its composition and evolution: Oxford, Blackwell, 312 p.
58. Teixeira, W., Tassinari, C. C. G., Cordani, U. G., and Kawashita, K., 1989, A review of the geochronology of the Amazonian Craton: Tectonic implications: Precambrian Research, v. 42, p. 213-227.
59. Theokritoff, G., 1979, Early Cambrian provincialism and biogeographic boundaries in the North Atlantic region: Lethaia, v. 12, p. 281-295.
60. Van der Voo, R., 1988, Palaeozoic paleogeography of North America, Gondwana, and intervening displaced terranes: Comparisons of palaeomagnetism within palaeoclimatology and biogeographical patterns: Geological Society of America Bulletin, v. 100, p. 311-324.
61. Whalen, J. B., Jenner, G. A., Currie, K. L., Barr, S. M., Hegner, E., and Longstaffe, F., 1994, Evolution of the Avalon Terrane in southern New Brunswick-implications of Nd, O, and Pb isotopic data from granitoid rocks: Journal of Geology, v. 102, p. 269-282.
62. Williams, H., 1979, The Appalachian orogen in Canada: Canadian Journal of Earth Sciences, v. 16, p. 792-807.