Collisional Snowbird tectonic zone resurrected: Growth of Laurentia during the 1.9 accretionary phase of the Hudsonian orogeny

Geology

Volumn 35, Issue 10, 2007, Pages 911-914

  Berman, R G ^a   Davis, W J ^a   Pehrsson, S ^a  

^a GEOLOGICAL SURVEY OF CANADA   (Canada)

Author keywords

Canadian shield; Geochronology; In situ ages; Pressure temperature conditions; SHRIMP data; Tectonic models; Trans Hudson orogen

Indexed keywords

GEOCHRONOLOGY; PRESSURE DISTRIBUTION; STRUCTURAL GEOLOGY; TEMPERATURE DISTRIBUTION;

METAMORPHIC BELT; MICROCONTINENT ACCRETION; SUBDUCTION-TYPE MICRODIAMONDS;

TECTONICS;

ACCRETIONARY PRISM; CONTINENTAL COLLISION; GEOCHRONOLOGY; HUDSONIAN OROGENY; LAURENTIA; OROGENIC BELT; SHRIMP DATING; SUBDUCTION ZONE; TECTONIC SETTING; ACCRETION; TECTONIC EVOLUTION;

CANADIAN SHIELD; NORTH AMERICA;

CANADIAN SHIELDS; PRESSURE-TEMPERATURE CONDITIONS; SHRIMP DATA; TECTONIC MODELS; TRANS-HUDSON OROGEN;

EID: 35448980023     PISSN: 00917613     EISSN: 00917613     Source Type: Journal    
DOI: 10.1130/G23771A.1     Document Type: Article

References (38)

1. Aspler, L.B., Wisotzek, I.E., Chiarenzelli, J.R., Losonczy, M.F., Cousens, B.L., McNicoll, VJ., and Davis, W.J., 2001, Paleoproterozoic intracratonic basin processes, from breakup of Kenorland to assembly of Laurentia; Hurwitz Basin, Nunavut, Canada: Sedimentary Geology, v. 141-142, p. 287-318, doi: 10.1016/S0037-0738(01)00080-X.
2. Baldwin, J.A., Bowring, S.A., Williams, M.L., and Williams, I.S., 2004, Eclogites of the Snowbird tectonic zone; petrological and U-Pb geochronological evidence for Paleoproterozoic high-pressure metamorphism in the western Canadian Shield: Contributions to Mineralogy and Petrology, v. 147, p. 528-548, doi:10.1007/s00410-004-0572-4.
3. Berman, R.G., Ryan, J.J., Tella, S., Sanborn-Barrie, M., Stern, R., Aspler, L., Hanmer, S., and Davis, W., 2000, The case of multiple metamorphic events in the Western Churchill Province: Evidence from linked thermobarometric and in-situ SHRIMP data, and jury deliberations: Geoscience2000, abs. 836.
4. Berman, R.G., Davis, W.J., Ryan, J.J., and Tella, S., 2002, In-situ U/Pb SHRIMP geochronology of Barrovian facies-series metasedimentary rocks in the Happy Lake and Josephine River supracrustal belts: Implications for the Paleoproterozoic architecture of the northern Hearne domain, Nunavut: Geological Survey of Canada Current Research, v. 2002-F4, p. 1-14.
5. Berman, R.G., Sanborn-Barrie, M., Stern, R., and Carson, C., 2005, Tectonometamorphism ca. 2.35 and 1.85 Ga in the Rae domain, western Churchill Province, Nunavut, Canada: Insights from structural, metamorphic and in situ geochronological analysis of the southwestern Committee Bay belt: Canadian Mineralogist, v. 43, p. 409-442.
6. Bleeker, W, and Ernst R., 2006, Short-lived mantle generated magmatic events and their dyke swarms: The key unlocking Earth's paleogeographic record back to 2.6 Ga, in Hanski, M., et al., eds., Dyke swarms - Tune markers of crustal evolution: Rotterdam, A.A. Balkema, p. 1-24.
7. Bruhn, R.L., Pavlis, T.L., Plafker, G., and Serpa, L., 2004, Deformation during terrane accretion in the Saint Elias orogen, Alaska: Geological Society of America Bulletin, v. 116, p. 771-787, doi: 10.1130/B25182.1.
8. Card, C.D., Pana, D., Stern, R.A., and Rayner, N., 2007, New insights into the geological history of the basement rocks to the southwestern Athabasca basin, Saskatchewan and Alberta, in Jefferson, C.W, and Delaney, G., eds., EXTECH IV. Geology and uranium exploration technology of the Proterozoic Athabasca Basin, Saskatchewan and Alberta: Geological Survey of Canada Bulletin, v. 588, p. 119-134.
9. Carpenter, R., Duke, N., Sandeman, H., and Stern, R., 2005, Relative and absolute timing of gold mineralization along the Meliadine Trend, Nunavut, Canada; evidence for Paleoproterozoic gold hosted in an Archean greenstone belt: Economic Geology and the Bulletin of the Society of Economic Geologists, v. 100, p. 567-576.
10. Cartigny, P., Chinn, I., Viljoen, K.S., and Robinson, D., 2004, Early Proterozoic ultrahigh pressure metamorphism; evidence from microdiamonds: Science, v. 304, p. 853-855, doi: 10.1126/science.1094668.
11. Cousens, B.L., Aspler, L.B., Chiarenzelli, J.R., Donaldson, J.A., Sandeman, H.A., Peterson, T.D., and LeCheminant, A.N., 2001, Enriched Archean lithospheric mantle beneath western Churchill Province tapped during Paleoproterozoic orogenesis: Geology, v. 29, p. 827-830, doi: 10.1130/0091-7613(2001)029<0827: EALMBW>2.0.CO;2.
12. Davis, W.J., Hanmer, S., and Sandeman, H.A., 2004, Temporal evolution of the Neoarchean central Hearne supracrustal belt; rapid generation of juvenile crust in a suprasubduction zone setting: Precambrian Research, v. 134, p. 85-112, doi: 10.1016/j.precamres.2004.02.002.
13. Davis, W.J., Rainbird, R.H., Aspler, L., and Chiarenzelli, J.R., 2005, Detrital zircon geochronology of the Paleoproterozoic Hurwitz and Kiyuk groups, western Churchill Province: Geological Survey of Canada Current Research, v. 2005-F1, 13 p.
14. Davis, W.J., Hamner, S., Tella, S., Sandeman, H., and Ryan, J.J., 2006, U-Pb Geochronology of the MacQuoid supracrustal belt and Cross Bay plutonic complex: Key components of the northwestern Hearne subdomain, Western Churchill Province, Nunavut, Canada: Precambrian Research, v. 145, p. 53-80, doi: 10.1016/j.precamres.2005.11.016.
15. Ernst, W.G., 2005, Alpine and Pacific styles of Phanerozoic mountain building; subduction-zone petrogenesis of continental crust: Terra Nova, v. 17, p. 165-188, doi: 10.1111/j.1365-3121.2005.00604.x.
16. Flowers, R., Bowring, S.A., and Williams, M.L., 2006, Timescales and significance of high-pressure, high-temperature metamorphism and mafic dike anatexis, Snowbird tectonic zone, Canada. Lithos: Contributions to Mineralogy and Petrology v. 151, p. 558-581, doi: 10.1007/ s00410-006-0066-7.
17. Gibb, R.A., and Walcott, R.I., 1971, A Precambrian suture in the Canadian Shield: Earth and Planetary Science Letters, v. 10, p. 417-422, doi: 10.1016/0012-821X(71)90090-2.
18. Hacker, B.R., 2005, Unsolved ultrahigh-pressure mysteries: Eos (Transactions, American Geophysical Union), v. 86, abs. V54B-08.
19. Hanmer, S., Williams, M., and Kopf, C., 1995, Striding-Athabasca mylonite zone: Implications for the Archean and Early Proterozoic tectonics of the western Canadian Shield: Canadian Journal of Earth Sciences, v. 32, p. 178-196.
20. Heaman, L.M., 1994, 2.45 Ga global mafic magmatism; Earth's oldest superplume?: U.S. Geological Survey Circular 1107, p. 132.
21. 2): Chemical Geology, v. 110, p. 95-126.
22. Hoffman, P.F., 1988, United plates of America, the birth of a craton: Early Proterozoic assembly and growth of Laurentia: Annual Review of Earth and Planetary Sciences, v. 16, p. 543-603, doi: 10.1146/ annurev.ea.16.050188.002551.
23. Jones, A.G., Snyder, D., Hamner, S., Asudeb, I., White, D., Eaton, D., and Clarke, G., 2002, Magnetotelluric and teleseismic study across the Snowbird Tectonic Zone, Canadian Shield: A Neoarchean mantle suture?: Geophysical Research Letters, v. 29, doi: 10.1029/2002GL015359.
24. MacLachlan, K., Davis, W., and Relf, C., 2005a, U/Pb geochronological constraints on Neoarchean tectonism: Multiple compressional events in the Northwestern Hearne domain, western Churchill Province, Canada: Canadian Journal of Earth Sciences, v. 42, p. 85-109.
25. MacLachlan, K., Davis, W., and Relf, C., 2005b, Paleoproterozoic reworking of an Archean thrust fault in the Hearne domain, Western Churchill Province: U-Pb geochronological constraints: Canadian Journal of Earth Sciences, v. 42, p. 1313-1330.
26. MacRae, N.D., Armitage, A.E., Milier A.R., Roddick, J.C., Jones, A.L., and Mudry, M.R, 1996, The diamondiferous Akluilak lamprophyre dyke, Gibson Lake area, NWT: Geological Survey of Canada Open File, v. 3228, p. 101-107.
27. Mahan, K.H., and Williams, M.L., 2005, Reconstruction of a large deep-crustal terrane: Implications for the Snowbird tectonic zone and early growth of Laurentia: Geology, v. 33, p. 385-388, doi: 10.1130/ G21273.1.
28. Mahan, K., Goncalves, P., Williams, M., and Jercinovic, M., 2006, Dating metamorphic reactions and fluid flow: Application to exhumation of high-P granulites in a crustal-scale shear zone, western Canadian Shield: Journal of Metamorphic Geology, v. 24, p. 193-217, doi: 10.1111/ j.1525-1314.2006.00633.x.
29. Martel, E., van Breemen, O., Berman, R.G., and Perhsson, S., 2007, Geochronology and tectonometamorphic history of the Snowbird Lake area, Northwest Territories, Canada: New insights into the architecture and significance of the Snowbird tectonic zone: Precambrian Research (in press).
30. Mills, A., Berman, R.G., Davis, W.J., Tella, S., Carr, S.D., Roddick, C., and Hanmer, S., 2007, Thermobarometry and geochronology of the Uvauk Complex: A polymetamorphic Neoarchean and Paleoproterozoic segment of the Snowbird tectonic zone, Nunavut, Canada: Canadian Journal of Earth Sciences, v. 44, p. 245-266.
31. Pehrsson, S., and Berman, R.G., 2001, The Rae-Hearne boundary zone: Where are the breaks?: Yellowknife Geoscience Forum, 29th, Program and Abstracts, p. 58.
32. Peterson, T.D., Van Breemen, O., Sandeman, H., and Cousens, B., 2002, Proterozoic (1.85-1.75 Ga) igneous suites of the Western Churchill Province: Granitoid and ultrapotassic magmatism in a reworked Archean hinterland: Precambrian Research, v. 119, p. 73-100, doi: 10.1016/ S0301-9268(02)00118-3.
33. Ross, G.M., Eaton, D.W., Boemer, D.E., and Miles, W., 2000, Tectonic entrapment and its role in the evolution of continental sphere; an example from the Precambrian of western Canada: Tectonics, v. 19, p. 116-134.
34. Sanborn-Barrie, M., Carr, S.D., and Thériault, R., 2001, Geochronological constraints on metamorphism, magmatism, and exhumation of deep-crustal rocks of the Kramanituar Complex, with implications for the Paleoproterozoic evolution of the Archean western Churchill Province, Canada: Contributions to Mineralogy and Petrology, v. 141, p. 592-612, doi: 10.1007/s004100100262.
35. 39Ar geochronological investigations in the central Hearne domain, western Churchill Province, Nunavut: A progress report: Geological Survey of Canada Current Research, v. 2001-F4, p. 1-23.
36. St-Onge, M.R., Scott, D.J., and Wodicka, N., 2002, Review of crustal architecture and evolution in the Ungava Peninsula, Baffin Island area; connection to the Lithoprobe ECSOOT transect: Canadian Journal of Earth Sciences, v. 39, p. 589-610, doi: 10.1139/e02-022.
37. White, D., Lucas, S.B., Bleeker, W., Hajnal, Z., Lewry, J.F., and Zwanzig, H.V., 2002, Suture-zone geometry along an irregular Paleoproterozoic margin; the Superior boundary zone, Manitoba, Canada: Geology, v. 30, p. 735-738, doi: 10.1130/ 0091-7613(2002)030<0735:SZGAAI>2.0.CO;2.
38. Williams, M.L., and Jercinovic, M.J., 2002, Microprobe monazite geochronology; putting absolute time into microstructural analysis: Journal of Structural Geology, v. 24, p. 1013-1028.