Precambrian crust beneath the Mesozoic northern Canadian Cordillera discovered by Lithoprobe seismic reflection profiling

Tectonics

Volumn 23, Issue 2, 2004, Pages

  Cook, Frederick A ^a   Clowes, Ronald M ^b   Snyder, David B ^c   van der Velden, Arie J ^a   Hall, Kevin W ^a   Erdmer, Philippe ^d   Evenchick, Carol A ^e  

^a UNIVERSITY OF CALGARY   (Canada)

^b UNIVERSITY OF BRITISH COLUMBIA   (Canada)

^c GEOLOGICAL SURVEY OF CANADA   (Canada)

^d UNIVERSITY OF ALBERTA   (Canada)

^e GEOLOGICAL SURVEY OF CANADA   (Canada)

Author keywords

Crustal structure; Northern Cordillera; Seismic reflection

Indexed keywords

CRUSTAL STRUCTURE; LITHOPROBE; PRECAMBRIAN; SEISMIC REFLECTION;

CANADA; CANADIAN CORDILLERA; NORTH AMERICA;

EID: 4644350731     PISSN: 02787407     EISSN: None     Source Type: Journal    
DOI: 10.1029/2002TC001412     Document Type: Article

References (103)

1. Ash, C. H., R. W. J. Macdonald, and R. M. Friedman (1997), Stratigraphy of the Tatogga Lake area, northwestern British Columbia (104H/12 & 13, 104G9 & 16), in Geological Fieldwork 1996, edited by D. V. Lefebure, W. J. McMillan, and J. G. MacArthur, Paper 1997-1, pp. 283-290, Br. Columbia Minist. of Employment and Investment, Victoria, B. C., Canada.
2. Baragar, W. R. A., and J. A. Donaldson (1973), Coppermine and Dismal Lakes map area, Pap. Geol. Surv. Can., 71-39.
3. Beaumont, C., R. A. Jamieson, M. Nguyen, and B. Lee (2001), Himalayan tectonics explained by extrusion of a low-viscosity crustal channel coupled to focused surface denudation, Nature, 414, 738-742.
4. Bell, J. S. (1973), Late Paleozoic orogeny in northern Yukon, in Proceedings of the Symposium on the Geology of the Canadian Arctic, pp. 23-28, Can. Soc. of Pet. Geol., Calgary, Alberta.
5. Bell, R. T. (1968), Proterozoic stratigraphy of northeastern British Columbia, Pap. Geol. Surv Can., 67-68.
6. Cecile, M. P. (1984), Geology of the northwest Niddery map area, Yukon, Geol. Surv. Can. Open File 1066.
7. Cecile, M. P., and D. G. Cook (1981), Structural cross section, northern Selwyn and Mackenzie Mountains, Geol. Surv. Can. Open File, 807.
8. Chardon, D., C. L. Andronicos, and L. S. Hollister (1999), Large-scale transpressive shear zone patterns and displacements within magmatic arcs: The Coast Plutonic Complex, British Columbia, Tectonics, 18, 278-292.
9. Clowes, R. M., M. T. Brandon, A. G. Green, C. J. Yorath, A. Sutherland-Brown, E. R. Kanasewich, and C. S. Spencer (1987), Lithoprobe-southern Vancouver Island: Cenozoic subduction complex imaged by deep seismic reflections, Can. J. Earth Sci., 24, 31-51.
10. Clowes, R. M., C. A. Zelt, J. R. Amor, and R. M. Ellis (1995), Lithospheric structure in the southern Canadian Cordillera from a network of seismic refraction lines, Can. J. Earth Sci., 32, 1485-1513.
11. Clowes, R. M., P. T. C. Hammer, and J. K. Welford (2001), Trans-Cordilleran comparison between SNORCLE seismic datasets: Near vertical to wide angle profiles of the lithosphere along corridor 2, in Lithoprobe Slave-Northern Cordillera Lithospheric Evolution Transect and Cordilleran Tectonics Workshop, edited by F. A. Cook and P. Erdmer, Lithoprobe Rep. 79, pp. 59-66, Lithoprobe, Vancouver, B. C., Canada.
12. Coflin, K. C., F. A. Cook, and W. T. Geis (1990), Evidence for Ellesmerian convergence in the subsurface east of the Mackenzie Delta, Mar. Geol., 93, 289-301.
13. Cook, D. G. (1991), Mackenzie Mountains, Franklin Mountains and Colville Hills, in Geology of the Cordilleran Orogen in Canada, edited by H. Gabrielse and C. J. Yorath, pp. 642-646, Geol. Surv. of Can., Ottawa, Ont., Canada.
14. Cook, D. G., and B. C. Maclean (1995), The intracratonic Forward orogeny, and implications for regional correlations, Northwest Territories, Canada, Can. J. Earth Sci., 32, 1991-2008.
15. Cook, F. A. (1988a), Proterozoic thin-skinned thrust and fold belt beneath the Interior Platform in northwest Canada, Geol. Soc. Am. Bull., 100, 877-890.
16. Cook, F. A. (1988b), Middle Proterozoic compressional orogen in northwestern Canada, J. Geophys. Res., 93, 8985-9005.
17. Cook, F. A. (1995), The reflection Moho beneath the southern Canadian Cordillera, Can. J. Earth Sci., 32, 1520-1530.
18. Cook, F. A. (2000), Proterozoic structural highs beneath the Mackenzie Mountains, northwest Canada, discovered with filtered potential field and seismic data, Geosci. Can., 27, 49-55.
19. Cook, F. A., and A. J. van der Velden (1993), Proterozoic crustal transition beneath the Western Canada Sedimentary basin, Geology, 21, 785-788.
20. Cook, F. A., and A. J. van der Velden (1995), Three-dimensional crustal structure of the Purcell anticlinorium in the Cordillera of southwestern Canada, Geol. Soc. Am. Bull., 107, 642-644.
21. Cook, F. A., M. Dredge, and E. A. Clark (1992), The Proterozoic Fort Simpson structural trend in northwestern Canada, Geol. Soc. Am. Bull., 104, 1121-1137.
22. Cook, F. A., A. J. van der Velden, K. W. Hall, and B. J. Roberts (1999), Frozen subduction in Canada's Northwest Territories: Lithoprobe deep lithospheric reflection profiling of the western Canadian Shield, Tectonics, 18, 1-24.
23. Creaser, B. S. (2000), Crustal seismic velocity structure of the northern Cordillera: Interpretation of LITHOPROBE SNORE Line 31, southern Yukon Territory, M. Sc. thesis, 134 pp., Univ. of Victoria, B. C., Canada.
24. Creaser, B., and G. Spence (2000), Crustal seismic velocity structure of the Northern Cordillera, southern Yukon Territory-LITHOPROBE SnoRE Line 31, in Lithoprobe Slave-Northern Cordillera Lithospheric Evolution Transect and Cordilleran Tectonics Workshop, edited by F. A. Cook and P. Erdmer, Lithoprobe Rep. 72, pp. 110-113, Lithoprobe, Vancouver, B. C., Canada.
25. Delaney, G. D. (1981), The mid-Proterozoic Wernecke Supergroup, Wernecke Mountains, Yukon Territory, in Proterozoic Basins of Canada, edited by F. H. A. Campbell, Pap. Geol. Surv. Can., 81-10, 1-23.
26. Diebold, J., T. Das, L. S. Hollister, and K. Rohr (1998), ACCRETE MCS data synthesis reflects tectonic history of the northern continental margin of British Columbia (abstract), Eos Trans. AGU, 79(45), Fall Meet. Suppl., F803.
27. Driver, L. A., T. Chacko, R. Creaser, and P. Erdmer (1998), Petrogenesis of the Cretaceous Cassiar batholith, Yukon-B. C., Canada, in Lithoprobe Slave-Northern Cordillera Lithospheric Evolution Transect and Cordilleran Tectonics Workshop, edited by F. A. Cook and P. Erdmer, Lithoprobe Rep. 64, pp. 158-164, Lithoprobe, Vancouver, B. C., Canada.
28. Edwards, B. R., and J. K. Russell (1999), Northern Cordilleran volcanic province: A northern Basin and Range?, Geology, 27, 243-246.
29. Eisbacher, G. H. (1981), Sedimentary tectonics and glacial record in the Windermere Supergroup, Mackenzie Mountains, northwestern Canada, Pap. Geol. Surv. Can., 80-27, 40 p.
30. Engebretson, D. C., A. V. Cox, and R. G. Gordon (1985), Relative motions between oceanic and continental plate in the Pacific basin, Spec. Pap. Geol. Soc. Am., 206, 59 pp.
31. Erdmer, P. (1987), Blueschist and eclogite in mylonitic alloclithons, Ross Rover and Watson Lake, southeastern Yukon, Can. J. Earth Sci., 24, 1439-1449.
32. Erdmer, P., E. D. Ghent, D. A. Archibald, and M. V. Stout (1998), Paleozoic and Mesozoic high pressure metamorphism at the margin of ancestral North America in central Yukon, Geol. Soc. Am. Bull, 110, 615-629.
33. Evenchick, C. A. (1988), Stratigraphy, metamorphism, structure and their tectonic implications in the Sifton and Deserters ranges, Cassiar and northern Rocky Mountains, northern British Columbia, Geol Surv. Can. Bull., 376, 90 pp.
34. Evenchick, C. A. (1991a), Geometry, evolution and tectonic framework of the Skeena fold belt, north central British Columbia, Tectonics, 10, 527-546.
35. Evenchick, C. A. (1991b), Structural relationships of the Skeena fold belt west of the Bowser Basin, northwest British Columbia, Can. J. Earth Sci., 28, 973-983.
36. Evenchick, C. A. (1991c), Jurassic stratigraphy of east Telegraph Creek and west Spatsizi map areas, British Columbia, Pap. Geol. Surv. Can., 91-1A, 155-162.
37. Evenchick, C. A., R. R. Parrish, and H. Gabrielse (1984), Precambrian gneiss and late Proterozoic sedimentation in north-central British Columbia, Geology, 12, 233-237.
38. Evenchick, C. A., M. L. Crawford, V. J. McNicholl, L. D. Currie, and P. B. O'Sullivan (1999), Early Miocene or younger normal faults and other Tertiary structures in west Nass River map area, northwest British Columbia and parts of adjacent Alaska, Pap. Geol. Surv. Can., 1999-A, 1-11.
39. Fallas, K. M., P. Erdmer, D. A. Archibald, L. M. Heaman, and R. A. Creaser (1998), The St. Cyr Klippe, south-central Yukon: An outlier of the Teslin Tectonic Zone, in Lithoprobe Slave-Northern Cordillera Lithospheric Evolution Transect and Cordilleran Tectonics Workshop, edited by F. A. Cook and P. Erdmer, Lithoprobe Rep. 64, pp. 131-138, Lithoprobe, Vancouver, B. C., Canada.
40. Fernandez-Viejo, G., and R. M. Clowes (2003), Lithospheric structure beneath the Archean Slave Province and Proterozoic Wopmay Orogen, northwest Canada, from a Lithoprobe refraction/wide-angle reflection survey, Geophys. J. Int., 153, 1-19.
41. Francis, D., A. C. Abraham, and M. Polve (1999), Volcanic probes of the craton's edge beneath the northern Canadian Cordillera, in Lithoprobe Slave-Northern Cordillera Lithospheric Evolution Transect and Cordilleran Tectonics Workshop, edited by F. A. Cook and P. Erdmer, Lithoprohe Rep. 69, pp. 142-145, Lithoprobe, Vancouver, B. C., Canada.
42. Gabrielse, H. (1963a), Geology, Rabbit River, scale: 1:253,440, Geol. Surv. Can. Map, 46-1962.
43. Gabrielse, H. (1963b), McDame map area, Cassiar district, British Columbia, Mem. Geol. Surv. Can., 319, 138 pp.
44. Gabrielse, H. (1967), Tectonic evolution of the northern Canadian Cordillera, Can. J. Earth Sci., 4, 271-298.
45. Gabrielse, H. (1985), Major dextral transcurrent displacements along the northern Rocky Mountain Trench and related lineaments in north central British Columbia, Geol. Soc. Am. Bull., 96, 1-14.
46. Gabrielse, H. (1998), Geology of Dease Lake (104J) and Cry Lake (104I) Map Areas, North-central British Columbia, Bull. Geol. Surv. Can., 504, 147 pp.
47. Gabrielse, H., and R. B. Campbell (1991), Upper Proterozoic assemblages, in Geology of the Cordilleran Orogen in Canada, edited by H. Gabrielse and C. J. Yorath, pp. 127-149, Geol. Surv. of Can., Ottawa, Ont., Canada.
48. Gabrielse, H., and C. J. Yorath (Eds.) (1991), Geology of the Cordilleran Orogen in Canada, 844 pp., Geol. Surv. of Can., Ottawa, Ont., Canada.
49. Gabrielse, H., J. W. H. Monger, J. O. Wheeler, and C. J. Yorath (1991), Morphogeologic belts, tectonic assemblages, and terranes, in Geology of the Cordilleran Orogen in Canada, edited by H. Gabrielse and C. J. Yorath, chap. 2, pp. 15-28, Geol. Surv. of Can., Ottawa, Ont., Canada.
50. Gehrels, G. E., W. C. McClelland, S. D. Samson, P. J. Patchett, and J. L. Jackson (1990), Ancient continental margin assemblage in the northern Coast Mountains, southeast Alaska and northwest Canada, Geology, 18, 208-211.
51. Geiger, H., and F. A. Cook (2001), Analyses of crustal structure from bandpass and directionally filtered potential field data: An example from western Canada, Can. J. Earth Sci., 38, 953-961.
52. Geological Survey of Canada (1999a), Gridded isostatic anomaly data of Canada, 5 km grid spacing, Geophys. Data Cent., Ottawa, Ont., Canada.
53. Geological Survey of Canada (1999b), Gridded aeromagnetic data of Canada, 2 km grid spacing, Geophys. Data Cent., Ottawa, Ont., Canada.
54. Geological Survey of Canada (1999c), Geological map of Canada [CD-ROM], Ottawa, Ont., Canada.
55. Goodacre, A. K., R. F. Grieve, and J. F. Halpenny (1987), Isostatic gravity anomaly map of Canada, in Canadian Geophysical Atlas, Map 4, scale 1:1,000,000, Geol. Surv. of Can., Ottawa, Ont., Canada.
56. Gordey, S. P. (2002), Is Yukon-Tanana terrane North America?, in Lithoprobe Slave-Northern Cordillera Lithospheric Evolution Transect and Cordilleran Tectonics Workshop, edited by F. A. Cook and P. Erdmer, Lithoprobe Rep. 82, pp. 39-42, Lithoprobe, Vancouver, B. C., Canada.
57. Gordey, S. P., and A. J. Makepeace (1999), Yukon digital geology, Geol, Surv. Can. Open File, D3826.
58. Gordey, S. P., and R. I. Thompson (1991), Ancestral North America, in Geology of the Cordilleran Orogen in Canada, edited by H. Gabrielse and C. J. Yorath, chap. 17, pp. 625-628, Geol. Surv. of Can., Ottawa, Ont., Canada.
59. Gordey, S. P., J. G. Abbott, D. J. Tempelman-Kluit, and H. Gabrielse (1987), Antler clastics in the Canadian Cordillera, Geology, 15, 103-107.
60. Green, A. G., B. Milkereit, A. Davidson, C. Spencer, D. R. Hutchison, W. F. Cannon, M. W. Lee, W. F. Agena, J. C. Behrendt, and W. J. Hinze (1988), Crustal structure of the Grenville front and adjacent terranes, Geology, 16, 788-792.
61. Hammer, P. T. C., and R. M. Clowes (1999), Crustal structure across the Cordilleran orogen of northwest British Columbia, preliminary results of Lithoprobe SNORCLE refraction experiment line 22, in Lithoprobe Slave-Northern Cordillera Lithospheric Evolution Transect and Cordilleran Tectonics Workshop, edited by F. A. Cook and P. Erdmer, Lithoprobe Rep. 69, pp. 275-282, Lithoprobe, Vancouver, B. C., Canada.
62. Hammer, P. T. C., R. M. Clowes, and R. M. Ellis (2000), Crustal structure of NW British Columbia and SE Alaska from seismic wide-angle studies: Coast Plutonic Complex to Stikinia, J. Geophys. Res., 105, 7961-7981.
63. Harms, T. A., and R. A. Stevens (1996), Assemblage analysis of the Dorsey terrane, in Lithoprobe Slave-Northern Cordillera Lithospheric Evolution Transect and Cordilleran Tectonics Workshop, edited by F. A. Cook and P. Erdmer, Lithoprobe Rep. 50, pp. 199-201, Lithoprobe, Vancouver, B. C., Canada.
64. Harms, T. A., J. Nelson, and J. Bradford (1988), Geological transect across the Sylvester Allochthon north of Blue River, northern British Columbia (104 P/12), in Geological Fieldwork, 1987, Paper 1988-1, pp. 245-248, Br. Columbia Minist. of Energy, Mines and Pet. Resour., Victoria, B. C., Canada.
65. Heah, T. S. T. (1990), Eastern margin of the Central Gneiss Complex in the Shames River area, Terrace, British Columbia, Pap. Geol. Surv. Can., 90-1E, 159-169.
66. Hildebrand, R. S., and R. S. Baragar (1991), On folds and thrusts affecting the Coppermine River Group, Can. J. Earth Sci., 28, 523-531.
67. Hildebrand, R. S., P. F. Hoffman, and S. A. Bowring (1987), Tectonomagmatic development of the Great Bear magmatic arc, northwestern Canadian Shield, J. Volcanol. Geotherm. Res., 32, 99-118.
68. Hoffman, P. F. (1980), Wopmay orogen: A Wilson cycle of Early Proterozoic age in the northwest of the Canadian Shield, in The Continental Crust and Its Mineral Deposits, edited by D. W. Strangway, Geol. Assoc. Can. Spec. Pap., 20, 523-549.
69. Hoffman, P. F. (1987), Continental transform tectonics: Great Slave Lake shear zone (ca. 1.9 Ga), northwest Canada, Geology, 15, 785-788.
70. Irving, E., P. J. Wynne, D. J. Thorkelson, and P. Schiarizza (1996), Large (1000 to 4000 km) northward movements of tectonic domains in the northern Cordillera, 83 to 45 Ma. J. Geophys. Res., 101, 17,901-17,916.
71. Kelley, K. (1993), Relative motions between North America and oceanic plate of the Pacific basin during the past 130 million years., M. Sc. thesis, 89 pp., Western Washington Univ., Bellingham, Washington.
72. Klepeis, K. A., and M. L. Crawford (1999), High-temperature arc-parallel normal faulting and transtension at the roots of an obliquely convergent margin, Geology, 27, 7-10.
73. LeCheminant, A. N., and L. M. Heaman (1994), 779 Ma mafic magmatism in northwest Canadian Shield and northern Cordillera, U. S. Geol. Surv. Circ., 1089, 187 pp.
74. Lowe, C., R. B. Horner, J. K. Mortensen, S. T. Johnston, and C. F. Roots (1994), New geophysical data for the southern Yukon Territory: Implications for the structure and tectonics of the northern Canadian Cordillera, Can. J. Earth Sci., 31, 891-904.
75. Mihalynuk, M. G. (1999), Geology and mineral resources of the Tagish Lake area (NTS 104M8/9/10E/15 and 104N12W), Bull. 105, 201 pp., Br. Columbia Minist. of Energy and Mines, Victoria, B. C., Canada.
76. Mihalynuk, M. G., J. L. Nelson, and L. J. Diakow 1994), Cache Creek terrane entrapment: Oroclinal paradox within the Canadian Cordillera, Tectonics, 13, 575-595.
77. Milkereit, B., and C. Spencer (1989), Noise suppression and coherency enhancement of seismic data: In Statistical Application in the Earth Sciences, edited by F. P. Agterberg and G. Bonham-Carter, pp. 243-248, Geol. Surv. of Can., Ottawa, Ont., Canada.
78. Mitchelmore, M. D., and F. A. Cook (1994), Inversion of the Proterozoic Wernecke basin during tectonic development of the Racklan Orogen, northwestern Canada, Can. J. Earth Sci., 31, 447-457.
79. Monger, J. W. H. (1977a), Upper Paleozoic rocks of northwestern British Columbia, Pap. Geol Surv. Can., 77-1A, 255-261.
80. Monger, J. W. H. (1977b), Upper Paleozoic rocks of the western Canadian Cordillera and their bearing on Cordilleran evolution, Can. J. Earth Sci., 14, 1832-1859.
81. Monger, J. W. H., J. O. Wheeler, H. W. Tipper, H. Gabrielse, T. Harms, L. C. Struik, R. B. Campbell, C. J. Dodds, G. E. Gehrels, and J. O'Brien (1991), Upper Devonian to Middle Jurassic, in Geology of the Cordilleran Orogen in Canada, edited by H. Gabrielse and C. J. Yorath, pp. 291-328, Geol. Surv. of Can., Ottawa, Ont., Canada.
82. Morozov, I., S. B. Smithson, L. Hollister, and J. Diebold (1999), Wide-angle seismic imaging across accreted terranes, southeastern Alaska and western British Columbia, Tectonophysics, 299, 281-296.
83. Morozov, I. B., S. B. Smithson, J. Chen, and L. S. Hollister (2001), Generation of new continental crust and terrane accretion in southeastern Alaska and western British Columbia: Constraints from P-and S-wave wide-angle seismic data (ACCRETE), Tectonophysics, 341, 49-67.
84. Morris, G. A., and R. A. Creaser (1998), The petrogenesis of the Mount Skukum/Bennett Lake igneous complex, Yukon Territory, and reflections on the Eocene tectonics of the Canadian Cordillera, in Lithoprohe Slave-Northern Cordillera Lithospheric Evolution Transect and Cordilleran Tectonics Workshop, edited by F. A. Cook and P. Erdmer, Lithoprobe Rep. 64, pp. 165-170, Lithoprobe, Vancouver, B. C., Canada.
85. Morris, G. A., and R. A. Creaser (1999), Mid-Cretaceous granites of the southern Yukon: Initial report, in Lithoprobe Slave-Northern Cordillera Lithospheric Evolution Transect and Cordilleran Tectonics Workshop, edited by F. A. Cook and P. Erdmer, Lithoprobe Rep. 69, pp. 120-121, Lithoprobe, Vancouver, B. C., Canada.
86. Nelson, J. L., and M. G. Mihalynuk (1993), Cache Creek ocean: Closure or enclosure?, Geology, 21, 173-176.
87. Nelson, J., T. Harms, and J. Mortensen (1998), The southeastern Dorsey terrane: Characteristics and correlations, in Lithoprobe Slave-Northern Cordillera Lithospheric Evolution Transect and Cordilleran Tectonics Workshop, edited by F. A. Cook and P. Erdmer, Lithoprohe Rep. 64, p. 279-288, Lithoprobe, Vancouver, B. C., Canada.
88. Ross, G. M., and C. Kerans (1989), Geology, Hornby Bay and Dismal Lakes Groups, Coppermine Homocline, District of Mackenzie, Northwest Territories, scale 1:250,000, Geol. Surv. Can. Map, 1663A.
89. Ross, G. M., H. C. Annell, and M. A. Hamilton (2000), Lithology and U-Pb geochronology of shallow basement along the SNORCLE line, southwest Northwest Territories: A preliminary report, in Lithoprobe Slave-Northern Cordillera Lithospheric Evolution Transect and Cordilleran Tectonics Workshop, edited by F. A. Cook and P. Erdmer, Lithoprobe Rep. 72, pp. 76-80, Lithoprobe, Vancouver, B. C., Canada.
90. Ross, G. M., M. E. Villeneuve, and R. J. Theriault (2001), Isotopic provenance of the lower Muskwa assemblage (Mesoproterozoic), Rocky Mountains, British Columbia): New clues to correlation and source areas, Precambrian Res., 111, 57-77.
91. Shi, S., D. Francis, J. Ludden, A. Frederiksen, and M. Bostock (1998), Xenolith evidence for lithospheric melting above anomalously hot mantle beneath the northern Canadian Cordillera, Contrib. Mineral. Petrol., 131, 39-53.
92. Smithson, S. B., J. A. Brewer, S. Kaufman, J. E. Oliver, and C. A. Hurich (1979), Structure of the Laramide Wind River uplift, Wyoming, from COCORP deep reflection data and from gravity data, J. Geophys. Res., 84, 5955-5972.
93. Snyder, D. B., R. M. Clowes, F. A. Cook, P. Erdmer, C. A. Evenchick, A. J. van der Velden, and K. W. Hall (2002), Proterozoic prism arrests suspect terranes: Insights into the ancient Cordilleran margin from seismic reflection data, GSA Today, 12, 4-10.
94. Taylor, G. C., and D. F. Stott (1973), Tuchodi Lakes map area, British Columbia, Mem. Geol. Surv. Can., 373, 37 pp.
95. Tempelman-Kluit, D. J. (1979), Transported cataclasite, ophiolite, and granodiorite in Yukon: Evidence of arc-continent collision, Pap. Geol. Surv. Can. 79-14, 27 pp.
96. Thompson, R. I. (1981), The nature and significance of large 'blind' thrusts within the northern Rocky Mountains of Canada, in Thrust and Nappe Tectonics, Geol. Soc. Spec. Publ., 9, 449-462.
97. Thorkelson, D. J., J. G. Abbott, J. Mortensen, R. Creaser, and M. Villeneuve (1998), Proterozoic sedimentation, magmatism, metasomatism, and deformation in the Wernecke and Ogilvie Mountains, Yukon, in Lithoprobe Slave-Northern Cordillera Lithospheric Evolution Transect and Cordilleran Tectonics Workshop, edited by F. A. Cook and P. Erdmer, Lithoprobe Rep. 64, pp. 110-119, Lithoprobe, Vancouver, B. C., Canada.
98. Thorkelson, D. J., J. K. Mortensen, R. A. Creaser, G. J. Davidson, and J. G. Abbott (2001), Early Proterozoic magmatism in Yukon, Canada: Constraints on the evolution of northwestern Laurentia, Can. J. Earth Sci., 38, 1479-1494.
99. Villeneuve, M. E., R. J. Theriault, and G. M. Ross (1991), U-Pb ages and Sm-Nd signature of two subsurface granites from the Fort Simpson magnetic high, Can. J. Earth Sci., 28, 1003-1008.
100. Welford, J. K., R. M. Clowes, R. M. Ellis, G. D. Spence, I. Asudeh, and Z. Hajnal (2001), Lithospheric structure across the craton-Cordilleran transition of northeastern British Columbia, Can. J. Earth Sci., 38, 1169-1189.
101. Wheeler, J. O., and P. McFeely (1991), Tectonic assemblage map of the Canadian Cordillera and adjacent parts of the United States of America, Geol. Surv. Can. Map, 1712A, scale 1:2,000,000.
102. Young, G. M. (1984), Proterozoic plate tectonics in Canada with emphasis on evidence for a late Proterozoic rifting event, Precambrian Res., 25, 233-256.
103. Young, G. M., C. M. Jefferson, D. G. F. Long, G. D. Delaney, and G. M. Yeo (1979), Middle and Late Proterozoic evolution of the northern Canadian Cordillera and shield, Geology, 7, 125-128.