Restored transect across the exhumed Grenville orogen of Laurentia and Amazonia, with implications for crustal architecture

Geology

Volumn 34, Issue 8, 2006, Pages 669-672

  Tohver, Eric ^a   Teixeira, Wilson ^a   van der Pluijm, Ben ^b   Geraldes, Mauro C ^c   Bettencourt, Jorge S ^a   Rizzotto, Gilmar ^d  

^a UNIVERSITY OF SÃO PAULO   (Brazil)

^b UNIVERSITY OF MICHIGAN   (United States)

^c STATE UNIVERSITY OF RIO DE JANEIRO   (Brazil)

^d Companhia de Pesquisas de Recursos Minerais ^*  (Brazil)

Author keywords

Amazon craton; Asymmetry; Exhumation; Grenville Province; Orogenic structure; Thermochronology

Indexed keywords

AMAZON CRATON; CRUSTAL ARCHITECTURE; GRENVILLE PROVINCE; OROGENIC STRUCTURE;

COOLING; GEOCHRONOLOGY; ROCKS;

TECTONICS;

CRUSTAL STRUCTURE; EXHUMATION; GRENVILLIAN OROGENY; LAURENTIA; OROGENY; TRANSECT;

NORTH AMERICA;

EID: 33747376342     PISSN: 00917613     EISSN: 00917613     Source Type: Journal    
DOI: 10.1130/G22534.1     Document Type: Article

References (32)

1. Beaumont, C., Munoz, J.A., Hamilton, J., and Fullsack, P., 2000, Factors controlling the Alpine evolution of the central Pyrenees inferred from a comparison of observations and geodynamical models: Journal of Geophysical Research, v. 105, no, B4, p. 8121-8145.
2. Beaumont, C., Jamieson, R.A., Nguyen, M.H., and Lee, B., 2001, Himalayan tectonics explained by extrusion of a low-viscosity crustal channel coupled to focused surface denudation: Nature, v. 414, p. 738-742, doi: 10.1038/414738a.
3. Bettencourt, J.S., Tosdal, R.M., Leite, W.B., and Payolla, B.L., 1999, Mesoproterozoic rapakivi granites of the Rondônia Tin Province, southwestern border of the Amazonian craton, Brazil. I. Reconnaissance U-Pb geochronology and regional implications: Precambrian Research, v. 95, p. 41-67.
4. Boger, S.D., Raetz, A., Giles, D., Etchart, E., and Fanning, C.M., 2005, U-Pb age data from the Sunsas region of Eastern Bolivia, evidence for the allochthonous origin of the Paragua block: Precambrian Research, v. 139, p. 121-146, doi: 10.1016/j.precamres.2005.05.010.
5. Busch, J.P., Mezger, K., and van der Pluijm, B.A., 1997, Suturing and extensional reactivation in the Grenville orogen, Canada: Geology, v. 25, p. 507-510, doi: 10.1130/ 0091-7613(1997)025<0507:SAERIT>2.3.CO;2.
6. 39Ar thermochronology: Tectonics, v. 10, p. 959-977.
7. 39Ar study of post-tectonic cooling and uplift in the Britt domain of the Grenville Province, Ontario: Earth and Planetary Science Letters, v. 105, p. 405-415, doi: 10.1016/ 6012-821X(91)90181-G.
8. Dalziel I.W.D., 1991, Pacific margins of Laurentia and East Antarctica - Australia as a conjugate rift pair; evidence and implications for an Eocambrian supercontinent: Geology, v. 19, p. 598-601, doi: 10.1130/ 0091-7613(1991)019<0598:PMO-LAE>2.3.CO;2.
9. Davidson, A., 1984, Identification of ductile shear zones in the southwestern Grenville Province of the Canadian Shield, in Kröner, A., and Greiling, R., eds., Precambrian tectonics illustrated: Stuttgart, Verlag, p. 207-235.
10. Dewey, J.E., and Burke, K., 1973, Tibetan, Variscan and Precambrian basement reactivation: Products of continental collision: Journal of Geology, v. 81, p. 683-692.
11. Forsyth, D.A., Milkereit, B., Davidson, A., Hanmer, S., Hutchinson, D.R., Hinze, W.J., and Mereu, R.F., 1994, Seismic images of a tectonic subdivision of the Grenville Orogen beneath Lakes Ontario and Erie: Canadian Journal of Earth Sciences, v. 31, p. 229-242.
12. Geraldes, M.C., Figueiredo, B.R., Tassinari, C.C.G., and Ebert, H.D., 1997, Middle Proterozoic veinhosted gold deposits in the Pontes e Lacerda region, south-western Amazonian craton, Brazil: International Geology Review, v. 39, p. 438-448.
13. Geraldes, M.C., Van Schmus, W.R., Condie, K.C., Bell, S., Teixeira, W., and Babinski, M., 2001, Proterozoic geologic evolution of the SW part of the Amazonian Craton in Mato Grosso state, Brazil: Precambrian Research, v. 111, p. 91-128, doi: 10.1016/S0301-9268(01)00158-9.
14. Hanmer, S., 1988, Ductile thrusting at mid-crustal level, southwestern Grenville Province: Canadian Journal of Earth Sciences, v. 25, p. 1049-1059.
15. Hoffman, P.F., 1991, Did the breakout of Laurentia turn Gondwanaland inside out?: Science, v. 252, p. 1409-1411.
16. Jamieson, R.A., Beaumont, C., Nguyen, M.H., and Lee, B., 2002, Interaction of metamorphism, deformation and exhumation in large convergent orogens: Journal of Metamorphic Geology, v. 20, p. 9-24.
17. Litherland, M., Annells, R.N., Darbyshire, D.P.F., Fletcher, C.J.N., Hawkins, M.P., Klinck, B.A., Mitchell, W.I., O'Conner, E.A., Pitfield, P.E.J., Power, G., and Webb, B.C., 1999, The Proterozoic of eastern Bolivia and its relationship to the Andean mobile belt: Precambrian Research, v. 43, p. 157-174, doi: 10.1016/0301-9268(89)90054-5.
18. Martignole, J., and Friedman, R., 1998, Geochronological constraints on the last stages of terrane assembly in the central part of the Grenville Province: Precambrian Research, v. 92, p. 145-164, doi: 10.1016/ S0301-9268(98)00072-2.
19. Martignole, J., and Pouget, P., 1994, A two-stage emplacement for the Cabonga allochthon (central part of the Grenville Province): Evidence for orthogonal and oblique collision during the Grenville orogeny: Canadian Journal of Earth Sciences, v. 31, p. 1714-1726.
20. Mezger, K., Essene, E.J., van der Pluijm, B.A., and Halliday, A.N., 1993, U-Pb geochronology of the Grenville orogen of Ontario and New York: Constraints on ancient crustal tectonics: Contributions to Mineralogy and Petrology, v. 114, p. 13-26, doi: 10.1007/BF00307862.
21. Mosher, S., 1998, Tectonic evolution of the Southern Laurentian Grenville Orogenic Belt: Geological Society of America Bulletin, v. 110, p. 1357-1375, doi: 10.1130/0016-7606(1998)110<1357:TEOTSL>2.3.CO;2.
22. O'Dowd, C.R., Eaton, D., Forsyth, D., and Asmis, H.W., 2004, Structural fabric of the Central Metasedimentary Belt of southern Ontario, Canada, from deep seismic profiling: Tectonophysics, v. 388, p. 145-159, doi: 10.1016/j.tecto.2004.07.041.
23. Payolla, B.L., Bettencourt, J.S., Kozuch, M., Leite, W.B., Fetter, A.H., and Van Schmus, W.R., 2002, Geological evolution of the basement rocks in the east-central part of the Rondônia Tin Province, SW Amazonian craton, Brazil: U-Pb and Sm-Nd isotopic constraints: Precambrian Research, v. 119, p. 141-169, doi: 10.1016/S0301-9268(02)00121-3.
24. Rivers, T., and Corrigan, D., 2000, Convergent margin on southeastern Laurentia during the Mesoproterozoic: tectonic implications: Canadian Journal of Earth Sciences, v. 37, p. 359-383, doi: 10.1139/ cjes-37-2-3-359.
25. Rivers, T., Martignole, J., Gower, C.F., and Davidson, C.F., 1989, New tectonic divisions of the Grenville Province, southeast Canadian Shield: Tectonics, v. 8, p. 63-84.
26. Streepey, M.M., Essene, E.J., and van der Pluijm, B.A., 1997, A compilation of thermobarometric data from the Metasedimentary Belt of the Grenville Province: Ontario and New York State: Canadian Mineralogist, v. 35, p. 1237-1247.
27. Streepey, M.M., Johnson, E.L., Mezger, K., and van der Pluijm, B.A., 2001, The early history of the Carthage-Colton Shear Zone, Grenville Province, New York: Journal of Geology, v. 109, p. 479-492, doi: 10.1086/ 320792.
28. Tohver, E., van der Pluijm, B.A., Van der Voo, R., Rizzotto, G., and Scandolâra, J.E., 2002, Paleogeography of the Amazon craton at 1.2 Ga: Early Grenvillian collision with the Llano segment of Laurentia: Earth and Planetary Science Letters, v. 199, p. 185-200, doi: 10.1016/ S0012-821X(02)00561-7.
29. Tohver, E., van der Pluijm, B.A., Mezger, K., Scandolara, J.E., and Essene, E.J., 2004, Significance of the Nova Brasilândia Metasedimentary Belt in western Brazil: Redefining the Mesoproterozoic boundary of the Amazon craton: Tectonics, v. 23, p. TC6004, doi: 10.1029/ 2003TC001563.
30. Tohver, E., van der Pluijm, B.A., Scandolâra, J.E., and Essene, E.J., 2005, Late Mesoproterozoic deformation of SW Amazonia (Rondônia, Brazil): Geochronological and structural evidence for collision with Southern Laurentia: Journal of Geology, v. 113, p. 309-323, doi: 10.1086/428807.
31. Windley, B.F., 1986, Comparative tectonics of the Western Grenville and the Western Himalaya, in Moore, J.M., et al., eds., The Grenville Province: Geological Association of Canada Special Paper 31, p. 341-348.
32. Zhao, X., Ji, S., and Martignole, J., 1997, Quartz c-axis fabrics and their tectonic implications for high temperature deformation of the Morin granulite complex, Grenville Province: Canadian Journal of Earth Sciences, v. 34, p. 819-832.