Synkinematic granite emplacement in a shear zone: The Pleasant Hills pluton, Canadian Appalachians

Bulletin of the Geological Society of America

Volumn 110, Issue 4, 1998, Pages 523-536

  Pe Piper, Georgia ^a   Koukouvelas, Ioannis ^b   Piper, David J W ^c  

^a SAINT MARY S UNIVERSITY   (Canada)

^b UNIVERSITY OF PATRAS   (Greece)

^c GEOLOGICAL SURVEY OF CANADA   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

GRANITE; HEAT TRANSFER; HYDRAULIC STRUCTURES; MASS TRANSFER; MELTING; STRUCTURAL GEOLOGY; TEXTURES; TRACE ELEMENTS;

ELEMENT EVOLUTIONS; GRANITE EMPLACEMENT; HEAT TRANSFER AND MASS TRANSFERS; HIGH FIELD STRENGTH ELEMENTS; MAGMA TEMPERATURE; PARTIAL MELTING OF THE MANTLE; RADIOMETRIC DATING; STRUCTURAL LEVELS;

STRIKE-SLIP FAULTS;

COMPOSITE; COUNTRY ROCK; EMPLACEMENT; FAULT ZONE; GRANITE; MAGMA; PARTIAL MELTING; SHEAR ZONE; STRIKE-SLIP FAULT; DEVONIAN; PLUTON EMPLACEMENT;

APPALACHIANS; CANADA;

CANADA; GEOLOGY;

EID: 0031712340     PISSN: 00167606     EISSN: None     Source Type: Journal    
DOI: 10.1130/0016-7606(1998)110<0523:SGEIAS>2.3.CO;2     Document Type: Article

References (55)

1. 2 on the Al-in-horn-blende barometer: American Mineralogist, v. 80, p. 549-559.
2. Batchelor, R. A., and Bowden, P., 1985, Petrogenetic interpretation of granitoid rock series using multicationic parameters: Chemical Geology, v. 48, p. 43-55.
3. Blanchard, M.-C., Jamieson, R. A., and More, E. B., 1984, Late Devonian-Early Carboniferous volcanism in western Cape Breton Island, Nova Scotia: Canadian Journal of Earth Sciences, v. 21, p. 762-774.
4. Blundy, J. D., and Holland, T. J. B., 1990, Calcic amphibole equilibria and a new amphibole-plagioclase geothermometer: Contributions to Mineralogy and Petrology, v. 104, p. 208-224.
5. Clemens, J. D., and Mawer, C. K., 1992, Granitic magma transport by fracture propagation: Tectonophysics, v. 204, p. 339-360.
6. Collins, W. J., Beams, S. D., White, A. J. R., and Chappell, B. W., 1982, Nature and origin of A-type granites with particular reference to south-eastern Australia: Contributions to Mineralogy and Petrology, v. 80, p. 189-200.
7. D'Lemos, R. S., Brown, M., and Strachan, R. A., 1992, Granite magma generation, ascent and emplacement within a transpressional orogen: London, Journal of the Geological Society, v. 149, p. 487-490.
8. Doig, R., Murphy, J. B., and Nance, R. D., 1993, Tectonic significance of the Late Proterozoic Economy River gneiss, Cobequid Highlands, Avalon Composite Terrane, Nova Scotia: Canadian Journal of Earth Sciences, v. 30, p. 474-479.
9. Doig, R., Murphy, J. B., Pe-Piper, G., and Piper, D. J. W., 1996, U-Pb geochronology of late Paleozoic plutons, Cobequid Highlands, Nova Scotia, Canada: Evidence for Late Devonian emplacement adjacent to the Meguma-Avalon terrane boundary in the Canadian Appalachians: Geological Journal, v. 31, p. 179-188.
10. Donohoe, H. V., Jr., and Wallace, P. I., 1982, Geological map of the Cobequid Highlands, Nova Scotia: Nova Scotia Department of Mines and Energy, scale 1:50 000.
11. Donohoe, H. V., Jr., and Wallace, P. I., 1985. Repeated orogeny, faulting and stratigraphy of the Cobequid Highlands, Avalon Terrane of northern Nova Scotia: Geological Association of Canada-Mineralogical Association of Canada Joint Annual Meeting, Guidebook 3, 77 p.
12. Dunning, G. R., Piper, D. J. W., Giles, P. S., Pe-Piper, G., and Barr, S. M., 1997, Chronology of early phases of rifting of the Devonian-Carboniferous Magdalen Basin in Nova Scotia from U-Pb dating of rhyolites: Geological Association of Canada-Mineralogical Association of Canada Joint Annual Meeting, Abstracts, v. 22, p. 42.
13. Eby, G. N., 1992, Chemical subdivision of the A-type granitoids: Petrogenetic and tectonic implications: Geology, v. 20, p. 641-644.
14. Eisbacher, G. H., 1970, Deformation mechanisms of mylonitic rocks and fractured granites in the Cobequid Mountains, Nova Scotia, Canada: Geological Society of America Bulletin, v. 81, p. 2009-2020.
15. Gates, A. E., Speer, J. A., and Pratt, T. L., 1988, The Alleghanian piedmont: A transpressional model: Tectonics, v. 7, p. 1307-1324.
16. Guineberteau, B., Bouchez, J.-L., and Vigneresse, J.-L., 1987, The Mortagne granite pluton (France) emplaced by pull-apart along a shear zone: Structural and gravimetric arguments and regional implications: Geological Society of America Bulletin, v. 99, p. 763-770.
17. Harland, W. B., 1971, Tectonic transpression in Caledonian Spitsbergen: Geological Magazine, v. 108, p. 27-42.
18. Hutton, D. H. W., 1988, Granite emplacement mechanisms and tectonic control: Inferences from deformation studies: Royal Society of Edinburgh Transactions, Earth Sciences, v. 79, p. 245-255.
19. Hutton, D. H. W., 1992, Granite sheeted complexes: Evidence for the dyking ascent mechanism: Royal Society of Edinburgh Transactions, Earth Sciences, v. 83, p. 377-382.
20. Hutton, D. H. W., and Reavy, R. J., 1992, Strike-slip tectonics and granite petrogenesis: Tectonics, v. 11, p. 960-967.
21. Ingram, G. M., and Hutton, D. H. W., 1994, The great tonalite sill: Emplacement into a contractional shear zone and implications for Late Cretaceous to early Eocene tectonics in southern Alaska and British Columbia: Geological Society of America Bulletin, v. 106, p. 715-728.
22. Karlstrom, K. E., and Williams, M. L., 1995, The case for simultaneous deformation, metamorphism and plutonism: An example from Proterozoic rocks in central Arizona: Journal of Structural Geology, v. 17, p. 59-81.
23. Keppie, J. D., 1989, Northern Appalachian terranes and their accretionary history, in Dallmeyer, R. D., ed., Terranes in the cicum-Atlantic Paleozoic orogens: Geological Society of America Special Paper 230, p. 159-192.
24. Keppie, J. D., and Dallmeyer, R. D., 1987, Dating transcurrent terrane accretion: An example from the Meguma and Avalon composite terranes in the northern Appalachians: Tectonics, v. 6, p. 831-847.
25. Koukouvelas, I., and Pe-Piper, G., 1995, The role of granites in the evolution of the Folly Lake diorite, Cobequid Highlands, Nova Scotia: Geological Survey of Canada Paper 95-1D, p. 33-38.
26. Koukouvelas, I., Pe-Piper, G., and Piper, D. J. W., 1996, Pluton emplacement by wall-rock thrusting, hanging-wall translation and extensional collapse: Latest Devonian plutons of the Cobequid fault zone, Nova Scotia, Canada: Geological Magazine, v. 133, p. 285-298.
27. Logan, J. M., Friedman, M., Higgs, N. G., Dengo, C., and Shinamoto, T., 1979, Experimental studies of simulated gouge and their application to studies of natural fault zones, in Analysis of actual fault zones in bedrock: U.S. Geological Survey Open-File Report 79-1239, p. 305-343.
28. Mandl, G., 1988, Mechanics of tectonic faulting: Models and basic concepts: Amsterdam, Elsevier.
29. Marillier, F., and Verhoef, J., 1989, Crustal thickness under the Gulf of St. Lawrence, northern Appalachians, from gravity and deep seismic data: Canadian Journal of Earth Sciences, v. 26, p. 1517-1532.
30. Martel, A. T., McGregor, D. C., and Utting, J., 1993, Stratigraphie significance of Upper Devonian and Lower Carboniferous miospores from the type area of the Horton Group, Nova Scotia: Canadian Journal of Earth Sciences, v. 30, p. 1091-1098.
31. Mawer, C. K., and White, J. C., 1987, Sense of displacement on the Cobequid-Chedabucto fault system, Nova Scotia, Canada: Canadian Journal of Earth Sciences, v. 24, p. 217-223.
32. McNulty, B. A., 1995, Shear zone development during magmatic arc construction: The Bench Canyon shear zone, central Sierra Nevada, California: Geological Society of America Bulletin, v. 107, p. 1094-1107.
33. Miller, B. V., Nance, R. D., and Murphy, J. B., 1995, Kinematics of the Rockland Brook fault, Nova Scotia: Implications for the interaction of the Meguma and Avalon terranes: Journal of Geodynamics, v. 19, p. 253-270.
34. Murphy, J. B., Pe-Piper, G., Keppie, J. D., and Piper, D. J. W., 1992, The Late Precambrian of the Avalon Zone of mainland Nova Scotia: A complex history of back-arc rifting controlled by strike slip motion: Atlantic Geology, v. 28, p. 143-151.
35. Nearing, J. D., 1995, Thermochronologic evolution of the Cobequid Highlands, Nova Scotia: Atlantic Geoscience Society Annual meeting, Antigonish, February 1995, Abstracts, p. 22.
36. Nekvasil, H., 1991, Ascent of felsic magmas and formation of rapakivi: American Mineralogist, v. 76, p. 1279-1290.
37. Paterson, S. R., and Vernon, R. H., 1995, Bursting the bubble of ballooning plutons: A return to nested diapirs emplaced by multiple processes: Geological Society of America Bulletin, v. 107, p. 1356-1380.
38. Paterson, S. R., Vernon, R. H., and Tobisch, O. T, 1989, A review of the criteria for identification of magmatic and tectonic foliations in granitoids: Journal of Structural Geology, v. 11, p. 349-363.
39. Pe-Piper, G., 1991, Granite and associated mafic phases, North River pluton, Cobequid Highlands: Atlantic Geology, v. 27, p. 15-28.
40. Pe-Piper, G., and Piper, D. J. W., 1989, The upper Hadrynian Jeffers Group, Cobequid Highlands, Avalon zone of Nova Scotia: A back-arc volcanic complex: Geological Society of America Bulletin, v. 101, p. 364-376.
41. Pe-Piper, G., Piper, D. J. W., and Clerk, S. B., 1991, Persistent mafic igneous activity in an A-type granite pluton, Cobequid Highlands, Nova Scotia: Canadian Journal of Earth Sciences, v. 28, p. 1058-1072.
42. Pfiffner, O. A., and Burkhard, M., 1987, Determination of paleo-stress axes orientation from fault, twin and earthquake data: Annales Tectonicae, v. 1, p. 48-57.
43. Piper, D. J. W., 1996, Horton Group sedimentary rocks adjacent to the Cobequid Highlands, Nova Scotia: Geological Survey of Canada Paper 96-1E, p. 55-60
44. Piper, D. J. W., Pe-Piper, G., and Loncarevic, B. D., 1993, Devonian-Carboniferous deformation and igneous intrusion in the Cobequid Highlands: Atlantic Geology, v. 29, p. 219-232.
45. Piper, D. J. W., Durling, P., and Pe-Piper, G., 1996, Field evidence for the extent and style of overthrusting along the northeastern margin of the Cobequid Highlands, Nova Scotia, in Current research 1996: Geological Survey of Canada 1996-D, p. 41-46.
46. Schmidt, M. W., 1992, Amphibole composition in tonalite as a function of pressure: An experimental calibration of the Al-in-hornblende barometer: Contributions to Mineralogy and Petrology, v. 110, p. 304-310.
47. Stimac, J. A., and Wark, D. A., 1992, Plagioclase mantles on sanidine in silicic lavas, Clear Lake, California: Implications for the origin of rapakivi texture: Geological Society of America Bulletin, v. 104, p. 728-744.
48. Streckeisen, A., 1976, To each plutonic rock its proper name: Earth Science Reviews, v. 12, p. 1-33.
49. Streckeisen, A., and LeMaitre, R. M., 1979, A chemical approximation to the modal QAPF classification of the igneous rocks: Neues Jahrbuch für Mineralogie, Abhandlungen, v. 136, p. 169-206.
50. Tikoff, B., and Teyssier, C., 1992, Crustal scale, en echelon "P-shear" tensional bridges: A possible solution to the batholithic room problem: Geology, v. 20, p. 927-930.
51. Tobisch, O. T., and Cruden, A. R., 1995, Fracture-controlled magma conduits in an obliquely convergent continental magmatic arc: Geology, v. 23, p. 941-944.
52. Tommasi, A., Vauchez, A., Fernandes, L. A. D., and Porcher, C. C., 1994, Magma-assisted strain localisation in an orogen-parallel transcurrent Oshear zone of southern Brazil: Tectonics, v. 13, p. 421-437.
53. Watson, E. B., and Harrison, T. M., 1984, Accessory minerals and the geochemical evolution of crustal magmatic systems: A summary and prospectus of experimental approaches: Physics of the Earth and Planetary Interiors, v. 35, p. 19-30.
54. Withjack, M. O., Olsen, P. E., and Schlische, R. W., 1995, Tectonic evolution of Fundy basin, Canada: Evidence for extension and shortening during passive margin formation: Tectonics, v. 40, p. 390-405.
55. Woodcock, N. H., and Schubert, C., 1994, Continental strike-slip tectonics, in Hancock, P. L., ed., Continental deformation: Pergamon Press, p. 251-263.