Crustal suture preserved in the Paleoproterozoic Trans-Hudson orogen, Canada

Geology

Volumn 28, Issue 6, 2000, Pages 527-530

  White, D J ^a   Zwanzig, H V ^b   Hajnal, Z ^c  

^a GEOLOGICAL SURVEY OF CANADA   (Canada)

^b Manitoba Industry   (Canada)

^c UNIVERSITY OF SASKATCHEWAN   (Canada)

Author keywords

Gravity; Proterozoic; Seismic; Subduction; Suture

Indexed keywords

BACK-ARC BASIN; GEOLOGICAL BOUNDARIES; GRAVITY MODELING; LOWER CRUST; METASEDIMENTARY ROCKS; OCEANIC CRUST; PALEOPROTEROZOIC; PROTEROZOIC; SEISMIC; SEISMIC DATAS; SEISMIC IMAGE; SEISMIC REFLECTION DATA; SUBDUCTION; SURFACE LOCATION; SUTURE; TRANS-HUDSON OROGEN; TWO-WAY TRAVELTIME;

LAKES; SEISMIC WAVES;

SEISMOLOGY;

BACKARC BASIN; BASIN FILL; BELT; GRAVITY; LITHOPROBE; LOWER CRUST; MARGINAL BASIN; OCEANIC CRUST; OROGENY; PROTEROZOIC; SEISMIC DATA; SEISMIC REFLECTION; SUBDUCTION; SUTURE ZONE; TERRANE;

ALPS; CANADA; LYNN LAKE; MANITOBA; WESTERN ALPS;

EID: 0034432079     PISSN: 00917613     EISSN: 19432682     Source Type: Journal    
DOI: 10.1130/0091-7613(2000)28<527:CSPITP>2.0.CO;2     Document Type: Article

References (29)

1. Ansdell, K., Lucas, S.B., Connors, K., and Stern, R., 1995, Kisseynew metasedimentary gneiss belt, Trans-Hudson orogen (Canada): Back-arc origin and collisional inversion: Geology, v. 23, p. 1039-1043.
2. Ansdell, K., Corrigan, D., Stern, R., and Maxeiner, R., 1999, Shrimp U-Pb geochronology of complex zircons from Reindeer Lake, Saskatchewan: Implications for timing of sedimentation and metamorphism in the northwestern Trans-Hudson orogen: Geological Association of Canada-Mineralogical Association of Canada, Joint Annual Meeting Abstracts, v. 24, p. 3.
3. Baldwin, D.A., Syme, E.C., Zwanzig, H.V., Gordon, T.M., Hunt, P.A., and Stevens, R.P., 1987, U-Pb zircon ages from the Lynn Lake and Rusty Lake metavolcanic belts, Manitoba: Two ages of Proterozoic magmatism: Canadian Journal of Earth Sciences, v. 24, p. 1053-1063.
4. Barnes, A.E., 1994, Moho reflectivity and seismic signal penetration: Tectonophysics, v. 232, p. 299-307.
5. Bickford, M.E., Collerson, K.D., Lewry, J.F., Van Schmus,W.R., and Chiarenzelli, J.R., 1990, Proterozoic collisional tectonism in the Trans-Hudson orogen, Saskatchewan: Geology, v. 18, p. 14-18.
6. Christensen, N.I., 1966, Elasticity of ultrabasic rocks: Journal of Geophysical Research, v. 71, p. 5921-5931.
7. Christensen, N.I., and Fountain, D.M., 1975, Constitution of the lower continental crust based on experimental studies of seismic velocities in granulite: Geological Society of America Bulletin, v. 86, p. 227-236.
8. Frei,W., Heitzmann, P., Lehner, P., Muller, S., Olivier, R., Pfiffner, A., Steck, A., and Valasek, P., 1989, Geotraverses across the Swiss Alps: Nature, v. 340, p. 544-547.
9. Gordon, T.M., Hunt, P.A., Bailes, A.H., and Syme, E.C., 1990, U-Pb ages from the Flin Flon and Kisseynew Belts, Manitoba: Chronology of crust formation at an Early Proterozoic accretionary margin, in Lewry, J.F., and Stauffer, M.R., eds., The Early Proterozoic Trans-Hudson orogen of North America: Geological Association of Canada Special Paper 37, p. 177-199.
10. Hajnal, Z., Lucas, S.B., White, D.J., Lewry, J., Bezdan, S., Stauffer, M.R., and Thomas, M.D., 1996, Seismic reflection images of strike-slip faults and linked detachments in the Trans-Hudson orogen: Tectonophysics, v. 15, p. 427-439.
11. Holliger, K., and Kissling, E., 1992, Gravity interpretation of a unified 2-D acoustic image of the central Alpine collision zone: Geophysical Journal International, v. 111, p. 213-225.
12. Kelleher, J., and McCann,W., 1976, Buoyant zone, great earthquakes, and unstable boundaries of subduction: Journal of Geophysical Research, v. 81, p. 4885-4896.
13. Lewry, J.F., 1981, Lower Proterozoic arc-microcontinent collisional tectonics in the western Churchill Province: Nature, v. 294, p. 69-72.
14. Lewry, J.F., Hajnal, Z., Green, A., Lucas, S.B., White, D., Stauffer, M.R., Ashton, K.E.,Weber,W., and Clowes, R., 1994, Structure of a Paleoproterozoic continentcontinent collision zone:A LITHOPROBE seismic reflection profile across the Trans-Hudson orogen, Canada: Tectonophysics, v. 232, p. 143-160.
15. Lucas, S.B., Green, A., Hajnal, Z., White, D., Lewry, J., Ashton, K.,Weber,W., and Clowes, R., 1993, Deep seismic profile across a Proterozoic collision zone: Surprises at depth: Nature, v. 363, p. 339-342.
16. Lucas, S.B., Syme, E.C., and Ashton, K.E., 1999, New perspectives on the Flin Flon Belt, Trans-Hudson orogen, Manitoba and Saskatchewan: An introduction to the special issue on the NATMAP Shield Margin Project, Part 1: Canadian Journal of Earth Sciences, v. 36, p. 135-140.
17. Ludwig,W.J., Nafe, J.E., and Drake, C.L., 1970, Seismic refraction in the sea, in Maxwell, A.E., ed., New concepts of sea floor evolution, Volume 4: New York, Wiley-Interscience, p. 53-84.
18. Machado, N., Zwanzig, H.V., and Parent, M., 1999, From basin to continent: The chronology of plutonism, sedimentation and metamorphism of the southern Kisseynew metasedimentary belt, Trans-Hudson orogen (Manitoba, Canada): Canadian Journal of Earth Sciences, v. 36, p. 1829-1842.
19. McGeary, S., Nur, A., and Ben-Avraham, Z., 1985, Spatial gaps in arc volcanism: The effect of collision or subduction of oceanic plateaus: Tectonophysics, v. 119, p. 195-221.
20. McGrath, P.H., 1991, Dip and depth extent of density boundaries using horizontal derivatives of upward-continued gravity data: Geophysics, v. 56, p. 1533-1542.
21. Meyer, M.T., Bickford, M.E., and Lewry, J.F., 1992, The Wathaman batholith: An early Proterozoic continental arc in the Trans-Hudson orogenic belt, Canada: Geological Society of America Bulletin, v. 104, p. 1073-1085.
22. Nelson, K.D., 1991, A unified view of craton evolution motivated by recent deep seismic reflection and refraction results: Geophysical Journal International, v. 105, p. 25-35.
23. Nemeth, B., 1999, Structure of the lithosphere within the Trans-Hudson orogen (results of the 1993 Lithoprobe Trans-Hudson refraction experiment) [Ph.D. thesis]: Saskatoon, University of Saskatchewan, 143 p.
24. Price, N.J., and Audley-Charles, M.G., 1983, Plate rupture by hydraulic fracture resulting in overthrusting: Nature, v. 206, p. 572-575.
25. Sacks, I.S., 1983, The subduction of young lithosphere: Journal of Geophysical Research, v. 88, p. 3355-3366.
26. Talwani, M.,Worzel, J.L., and Landisman, M., 1959, Rapid gravity computations for two-dimensional bodies with application to the Mendocino submarine fracture zone: Journal of Geophysical Research, v. 64, p. 49-59.
27. White, D.J., Jones, A.G., Lucas, S.B., and Hajnal, Z., 1999, Tectonic evolution of the Superior boundary zone from coincident seismic reflection and magnetotelluric profiles: Tectonics, v. 18, p. 430-451.
28. Zwanzig, H.V., 1990, Kisseynew Gneiss Belt in Manitoba: Stratigraphy, structure, and tectonic evolution, in Lewry, J.F., and Stauffer, M.R., eds., The Early Proterozoic Trans-Hudson orogen of North America: Geological Association of Canada Special Paper 37, p. 95-120.
29. Zwanzig, H.V., Syme, E.C., and Gilbert, H.P., 1999, Updated trace element geochemistry of ca. 1.9 Ga metavolcanic rocks on the Paleoproterozoic Lynn Lake Belt: Manitoba Industry, Trade and Mines, Geological Services Open File OF99-13, map, diskette, 48 p.