Geochemistry of the Little Dal basalts: Continental tholeiites from the Mackenzie Mountains, Northwest Territories, Canada

Canadian Journal of Earth Sciences

Volumn 34, Issue 1, 1997, Pages 50-58

  Dudás, Francis Ö ^a   Lustwerk, Rigel L ^a  

^a OLD DOMINION UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 3342885972     PISSN: 00084077     EISSN: None     Source Type: Journal    
DOI: 10.1139/e17-004     Document Type: Article

References (43)

1. Abercrombie, H. J. 1978. Mineralogy and environment of deposition of a Precambrian evaporite deposit, Mackenzie Mountains, Northwest Territories. B.Sc. thesis, The University of British Columbia, Vancouver.
2. Aitken, J.D. 1981. Stratigraphy and sedimentology of the Upper Proterozoic Little Dal Group, Mackenzie Mountains, Northwest Territories. In Proterozoic basins of Canada. Edited by F.H.A. Campbell. Geological Survey of Canada, Paper 81-10, pp. 47-71.
3. Aitken, J.D. 1982. Precambrian of the Mackenzie fold belt - a stratigraphic and tectonic overview. In Precambrian sulphide deposits. Edited by R.W. Hutchinson, C.D. Spence, and J.M. Franklin. Geological Association of Canada, Special Paper 25, pp. 149-161.
4. Aitken, J.D., Long, D.F.G., and Semikhatov, M.A. 1978. Progress in Helikian stratigraphy, Mackenzie Mountains. In Current research, part A. Geological Survey of Canada, Paper 78-1A, pp. 481-484.
5. Armstrong, R.L., Eisbacher, G.H., and Evans, P.D. 1982. Age and stratigraphie-tectonic significance of Proterozoic diabase sheets, Mackenzie Mountains, northwestern Canada. Canadian Journal of Earth Sciences, 19: 316-323.
6. Baragar, W.R.A., Ernst, R.E., Hulbert, L., and Peterson, T. 1996. Longitudinal petrochemical variation in the Mackenzie dyke swarm, northwestern Canadian shield. Journal of Petrology, 37: 317-359.
7. Beswick, A.E., and Soucie, G. 1978. A correction procedure for metasomatism in an Archean greenstone belt. Precambrian Research, 6: 235-248.
8. Bond, G.C., and Kominz, M.A. 1984. Construction of tectonic subsidence curves for the early Paleozoic miogeocline, southern Canadian Rocky Mountains: implications for subsidence mechanisms, age of breakup, and crustal thinning. Geological Society of America Bulletin, 95: 155-173.
9. Condie, K.C. 1985. Secular variation in the composition of basalts: an index to mantle evolution. Journal of Petrology, 26: 545-563.
10. Dudás, F.Ö., LeCheminant, A.N., and Sullivan, R.W. 1991. Reconnaissance Nd isotopic study of granitoid rocks from the Baker Lake region, District of Keewatin, N.W.T., and observations on analytical procedures. In Radiogenic age and isotopic studies: Report 4. Edited by J.K. Mortensen. Geological Survey of Canada, Paper 90-2, pp. 101-112.
11. Dudás, F.Ö., Davidson, A., and Bethune, K.M. 1995. Age of the Sudbury diabase dykes and their metamorphism in the Grenville Province, Ontario. In Radiogenic age and isotopic studies: Report 8. Geological Survey of Canada, Current research 1994-F, pp. 97-106.
12. Dupuy, C., Michard, A., Dostal, J., et al. 1992. Proterozoic flood basalts from the Coppermine River area, Northwest Territories: isotope and trace element geochemistry. Canadian Journal of Earth Sciences, 29: 1937-1943.
13. Dupuy, C., Michard, A., Dostal, J., et al. 1995. Isotope and trace-element geochemistry of Proterozoic Natkusiak flood basalts from the northwestern Canadian Shield. Chemical Geology, 120: 15-25.
14. Eisbacher, G.H. 1977. Tectono-stratigraphic framework of the Redstone Copper Belt, District of Mackenzie. In Report of activities, part A. Geological Survey of Canada, Paper 77-1A, pp. 229-234.
15. Eisbacher, G.H. 1978. Re-definition and subdivision of the Rapitan Group, Mackenzie Mountains. Geological Survey of Canada, Paper 78-35.
16. Goldich, S.S. 1984. Determination of ferrous iron in silicate rocks. Chemical Geology, 42: 343-347.
17. Hansen, V.L., Goodge, J.W., Keep, M., et al. 1993. Asymmetric rift interpretation of the western North American margin. Geology, 21: 1067-1070.
18. Heaman, L.M., LeCheminant, A.N., and Rainbird, R.H. 1992. Nature and timing of Franklin igneous events, Canada: implications for a Late Proterozoic mantle plume and the break-up of Laurentia. Earth and Planetary Science Letters, 109: 117-131.
19. Hofmann, A.W. 1988. Chemical differentiation of the earth: the relationship between mantle, continental crust and oceanic crust. Earth and Planetary Science Letters, 90: 297-314.
20. Hughes, C.J. 1973. Spilites, keratophyres and the igneous spectrum. Geological Magazine, 109: 513-517.
21. Hutchinson, D.R., White, R.S., Cannon, W.F., et al. 1990. Keweenaw hot spot: geophysical evidence for a 1.1 Ga mantle plume beneath the Midcontinent rift system. Journal of Geophysical Research, 95B: 10869 - 10884.
22. Jacobs, J.W., Korotev, R.L., Blanchard, D.P., et al. 1977. A well-tested procedure for instrumental neutron activation analysis of silicate rocks and minerals. Journal of Radioanalytical Chemistry, 40: 93-114.
23. Jefferson, C.W. 1983. The Upper Proterozoic Redstone Copper Belt, Mackenzie Mountains, N.W.T. Ph.D. thesis, University of Western Ontario, London, Ont.
24. Jefferson, C.W., and Parrish, R.R. 1989. Late Proterozoic stratigraphy, U-Pb zircon ages, and rift tectonics, Mackenzie Mountains, northwestern Canada. Canadian Journal of Earth Sciences, 26: 1784-1801.
25. LeCheminant, A.N., and Heaman, L.M. 1989. Mackenzie igneous events, Canada: middle Proterozoic hotspot magmatism associated with ocean opening. Earth and Planetary Science Letters, 96: 38-48.
26. LeCheminant, A.N., and Heaman, L.M. 1994. 779 Ma mafic magmatism in the northwestern Canadian shield and the northern Cordillera: a new regional time marker. In Abstracts of the Eighth International Conference on Geochronology, Cosmochronology and Isotope Geology. Edited by M.A. Lanphere, G.B. Dalrymple, and B.D. Turrin. United States Geological Survey, Circular 1107, p. 187.
27. Lindstrom, D.J., and Korotev, R.L. 1982. TEABAGS: computer programs for instrumental neutron activation analysis. Journal of Radioanalytical Chemistry, 70: 439-458.
28. Lustwerk, R.L. 1990. Geology and geochemistry of the Redstone Stratiform Copper Deposit, Northwest Territories, Canada. Ph.D. thesis, The Pennsylvania State University, State College, Pa.
29. 2 fusion. Atomic Absorption Newsletter, 8: 25-29.
30. Miyashiro, A. 1974. Volcanic rock series in island arcs and active continental margins. American Journal of Science, 274: 321-355.
31. Morris, W.A., and Park, J.K. 1981. Correlation of upper Proterozoic strata in the Cordillera: paleomagnetism of the Tsezotene sills and the Little Dal lavas. In Proterozoic basins of Canada. Edited by F.H.A. Campbell. Geological Survey of Canada, Paper 81-10, pp. 73-78.
32. Nicholson, S.W., and Shirey, S.B. 1990. Midcontinent rift volcanism in the Lake Superior region: Sr, Nd and Pb isotopic evidence for a mantle plume origin. Journal of Geophysical Research, 95B: 10851-10868.
33. Park, J.K., and Jefferson, C.W. 1991. Magnetic and tectonic history of the Late Proterozoic Upper Little DaI and Coates Lake Groups of northwestern Canada. Precambrian Research, 52: 1-35.
34. Park, J.K., Buchan, K.L., and Harlan, S.S. 1995. A proposed giant radiating dyke swarm fragmented by the separation of Laurentia and Australia based on paleomagnetism of ca. 780 Ma mafic intrusions in western North America. Earth and Planetary Science Letters, 132: 129-139.
35. Piccirillo, E.M., Civetta, L., Petrini, R., et al. 1989. Regional variations within the Parana flood basalts (southern Brazil): evidence for subcontinental mantle heterogeneity and crustal contamination. Chemical Geology, 75: 103-122.
36. Rainbird, R.H., Jefferson, C.W., and Young, G.M. 1996. The early Neoproterozoic sedimentary Succession B of northwestern Laurentia: correlations and paleogeographic significance. Geological Society of America Bulletin, 108: 454-470.
37. Robertson, W.A., and Baragar, W.R.A. 1972. The petrology and paleomagnetism of the Coronation sills. Canadian Journal of Earth Sciences, 9: 123-140.
38. St. Seymour, K., and Kumarapeli, P.S. 1995. Geochemistry of the Grenville dyke swarm: role of plume-source mantle in magma genesis. Contributions to Mineralogy and Petrology, 120: 29-41.
39. Sullivan, R.W. 1988. Samarium - neodymium and rare earth element liquid chromatography (HPLC) techniques at the geochronology laboratory, Geological Survey of Canada. In Radiogenic age and isotopic studies: Report 2. Edited by J.K. Mortensen. Geological Survey of Canada, Paper 88-2, pp. 9-20.
40. Taylor, S.R., and McLennan, S.M. 1985. The continental crust: its composition and evolution. Blackwell Scientific Publications, Oxford, U.K.
41. Theriault, R.J. 1990. Methods for Rb-Sr and Sm-Nd isotopic analyses at the geochronology laboratory, Geological Survey of Canada. In Radiogenic age and isotopic studies: Report 3. Edited by R.R. Parrish. Geological Survey of Canada, Paper 89-2, pp. 3-6.
42. Wood, D.A., Joron, J.-L., Treuil, M., Norry, M., and Tarney, J. 1979. Elemental and Sr isotopic variations in basic lavas from Iceland and the surrounding ocean floor. Contributions to Mineralogy and Petrology, 70: 319-339.
43. Yeo, G.M. 1984. The Rapitan Group: relevance to the global association of Late Proterozoic glaciation and iron-formation. Ph.D. thesis, University of Western Ontario, London, Ont.