Heterogeneous amphibolite facies deformation of a granulite facies layered protolith: Matches Island shear system, Parry Sound domain, Grenville Province, Ontario, Canada

Journal of Structural Geology

Volumn 33, Issue 5, 2011, Pages 875-890

  Culshaw, Nicholas ^a   Gerbi, Christopher ^b   Marsh, Jeff ^b   Plug, Lawrence ^a  

^a DALHOUSIE UNIVERSITY   (Canada)

^b UNIVERSITY OF MAINE   (United States)

Author keywords

Deep crust; Retrogressed granulite; Shear zones

Indexed keywords

AMPHIBOLITE FACIES; DEEP CRUST; GRANULITE FACIES; ONTARIO , CANADA; PROTOLITHS; RETROGRESSED GRANULITE; RIGID ROTATION; SHEAR SYSTEMS; SHEAR ZONE; SHEAR ZONES;

MERGING;

ROCKS;

AMPHIBOLITE FACIES; CRUST; DEFORMATION; GNEISS; GRANULITE FACIES; PROTOLITH; SHEAR ZONE; STRUCTURAL CONTROL; WALL ROCK;

CANADA; GRENVILLE PROVINCE; ONTARIO [CANADA];

EID: 79955049267     PISSN: 01918141     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jsg.2011.03.005     Document Type: Article

References (27)

1. Culshaw N.G., Corrigan D., Ketchum J.W.F., Wallace P., Wodicka N., Easton R.M. Georgian Bay Geological Synthesis, Grenville Province; Explanatory Notes for Preliminary Maps 2004, P.3548 to P.3552, in: Open File Report, Ontario Geological Survey, Report: 6143, p. 28.
2. Culshaw N.G. Buckle folding and deep-crustal shearing of high-grade gneisses at the junction of two major high strain zones, Central Gneiss Belt, Grenville Province, Ontario. Canadian Journal of Earth Sciences 2005, 42:1907-1926.
3. Culshaw N.G., Gerbi C., Marsh J. Softening the lower crust: modes of syn-transport transposition around and adjacent to a deep crustal granulite nappe, Parry Sound domain, Grenville Province, Ontario, Canada. Tectonics 2010, 29(TC5013). doi:10.1029/2009TC002537.
4. Culshaw N.G., Jamieson R.A., Ketchum J.W.F., Wodicka N., Corrigan D., Reynolds P.H. Transect across the northwestern Grenville Orogen, Georgian Bay, Ontario: polystage convergence and extension in the lower Orogenic crust. Tectonics 1997, 16:966-982.
5. Davidson A. Tectonic boundaries within the Grenville, Province of the Canadian Shield. Journal of Geodynamics 1984, 1:433-444.
6. Fusseis F., Handy M.R., Schrank C. Networking of shear zones at the brittle-to-viscous transition (Cap de Creus, NE Spain). Journal of Structural Geology 2006, 28:1228-1243.
7. Gerbi C., Culshaw N.G., Marsh J.H. Magnitude of weakening during crustal-scale shear zone development. Journal of Structural Geology 2010, 32:107-117.
8. Handy M.R. Flow laws for rocks containing 2 nonlinear viscous phases - a phenomenological approach. Journal of Structural Geology 1994, 16:287-301.
9. Handy M.R., Stunitz H. Strain localization by fracturing and reaction weakening - a mechanism for initiating exhumation of subcontinental mantle beneath rifted margins. Geological Society, London, Special Publications 2002, vol. 200:387-407. S. de Meer, M.R. Drury, J.H.P. de Bresser, G.M. Pennock (Eds.).
10. Hanmer S.K. Structure of the Junction of Three Tectonic Slices; Ontario Gneiss Segment, Grenville Province. Paper 1984, Geological Survey of Canada, 84-1B, pp. 109-120.
11. Horsman E., Tikoff B. Quantifying simultaneous discrete and distributed deformation. Journal of Structural Geology 2005, 27:1168-1189.
12. Jamieson R.A., Beaumont C., Nguyen M.H., Culshaw N.G. Synconvergent ductile flow in variable-strength continental crust; numerical models with application to the western Grenville Orogen. Tectonics 2007, 26(TC5005).
13. Jamtveit B., Austrheim H., Malthe-Sorenssen A. Accelerated hydration of the Earth's deep crust induced by stress perturbations. Nature 2000, 408:75-78.
14. Jolivet L., Raimbourg H., Labrousse L., Avigad D., Leroy Y., Austrheim H., Andersen T.B. Softening trigerred by eclogitization, the first step toward exhumation during continental subduction. Earth and Planetary Science Letters 2005, 237:532-547.
15. Kuenen P.H., de Sitter L.U. Experimental investigations into the mechanisms of folding. Leidsche Geological Magazine 1938, 10:217-240.
16. Lister G.S., Williams P.F. The partitioning of deformation in flowing rock masses. Tectonophysics 1983, 92:1-33.
17. Mancktelow N.S., Pennacchioni G. The control of precursor brittle fracture and fluid-rock interaction on the development of single and paired ductile shear zones. Journal of Structural Geology 2005, 27:645-661.
18. Marsh, J.H., Gerbi, C., Culshaw, N.G., Johnson, S.E., Wooden, J.L., Clark, C. In Review. Using zircon U-Pb ages and trace element chemistry to constrain the timing of metamorphic events, dike emplacement, and shearing in the southern Parry Sound domain, Grenville Province, Canada.
19. Marsh J.H., Gerbi C., Culshaw N.G., Potter J., Longstaffe F., Johnson S.E. Initiation and development of the Twelve Mile Bay shear zone: the low viscosity sole of a granulite nappe. Journal of Metamorphic Geology 2011, 29:167-191.
20. Pennacchioni G. Control of the geometry of precursor brittle structures on the type of ductile shear zone in the Adamello tonalites, Southern Alps (Italy). Journal of Structural Geology 2005, 27:627-644.
21. Pennacchioni G., Mancktelow N.S. Nucleation and initial growth of a shear zone network within compositionally and structurally heterogeneous granitoids under amphibolite facies conditions. Journal of Structural Geology 2007, 29:1757-1780.
22. Ramsay J.G. Folding and Fracturing of Rocks 1967, McGraw-Hill, New York.
23. Ramsay J.G., Graham R.H. Strain variation in shear belts. Canadian Journal of Earth Sciences 1970, 7:786-813.
24. Ramsay J.G., Huber M.I. The Techniques of Modern Structural Geology. Strain Analysis 1987, vol. 1. Academic Press, London.
25. Schrank C.E., Handy M.R., Fusseis F. Multiscaling of shear zones and the evolution of the brittle-to-viscous'transition in continental crust. Journal of Geophysical Research 2008, 113:B01407. doi:10.1029/2006JB004833.
26. White D.J., Easton R.M., Culshaw N.G., Milkereit B., Forsyth D.A., Carr S., Green A.G., Davidson A. Seismic images of the Grenville orogen in Ontario. Canadian Journal of Earth Sciences 1994, 31:293-307.
27. Wodicka N., Ketchum J.W.F., Jamieson R.A. Grenvillian metamorphism of monocyclic rocks, Georgian Bay, Ontario, Canada, Implications for convergence history. Canadian Mineralogist 2000, 38:471-510.