Overview of Results from the Greenstone ... - Geology Ontario

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Heather, K.B., Percival, J.A., Moser, D. and Bleeker, W. 1995. Tectonics and metallogeny of Archean crust in the Abitibi–Kapuskasing–Wawa region; Geological Survey of Canada, Open File 3141, 148p. Hickman, A.H. and Van Kranendonk, M.J. 2004. Diapiric processes in the formation of Archaean continental crust, East Pilbara granite-greenstone terrane, Australia; in The Precambrian Earth: tempos and events, Elsevier, Amsterdam, p.118-139. Hill, R.E.T., Barnes, S.J., Gole, M.J. and Dowling, S.E. 1990. Physical volcanology of komatiites; a field guide to the komatiites of Norseman–Wiluna greenstone belt, Eastern Goldfields Province, Yilgarn Block, Western Australia; Geological Society of Australia, Excursion Guide Book, v.1, p.100. ——— 1995. The volcanology of komatiites as deduced from field relationships in the Norseman–Wiluna greenstone belt, Western Australia; Lithos, v.34, p.159-188. Hocker, S.M., Thurston, P.C. and Gibson, H.L. 2005a. Volcanic stratigraphy and controls on mineralization in the Genex Mine area, Kamiskotia area: Discover Abitibi Initiative; Ontario Geological Survey, Open File Report 6156, 143p. ——— 2005b. Geochemical, petrographic and compilation data from the Genex Mine area, Kamiskotia area: Discover Abitibi; Ontario Geological Survey, Miscellaneous Release—Data 144. Hodgson, C.J. 1993. Mesothermal lode-gold deposits; in Mineral Deposit Modeling, Geological Association of Canada, Special Paper 40, p.635-678. Houlé, M.G. and Guilmette, C. 2004. Geology and mineral potential of Carman and Langmuir townships, Shaw Dome area; in Summary of Field Work and Other Activities 2004, Ontario Geological Survey, Open File Report 6145, p.7-1 to 7-16. ——— 2005. Precambrian geology, Carman and Langmuir townships; Ontario Geological Survey, Preliminary Map P.3268, scale 1 :20 000. Houlé, M.G., Hall, L.A.F. and Tremblay, E. 2004. Precambrian geology, Eldorado and Adams townships; Ontario Geological Survey, Preliminary Map P.3542, scale 1:20 000. Houlé, M.G., Lesher, C.M., Gibson, H.L., Fowler, A.D. and Sproule, R.A. 2001. Physical volcanology of komatiites in the Abitibi greenstone belt; in Summary of Field Work and Other Activities 2001, Ontario Geological Survey, Open File Report 6070, p.13-1 to 13-16. Ispolatov, V.O. 2005. Precambrian geology of Teck Township transect; Ontario Geological Survey, Preliminary Map P.3558, scale 1:10 000. Ispolatov, V.O. and Lafrance, B. 2005. Precambrian geology of Gauthier Township transect; Ontario Geological Survey, Preliminary Map P.3546—Revised, scale 1:10 000. Ispolatov, V.O., Lafrance, B., Dubé, B., Hamilton, M.A. and Creaser, R.A. 2005. Geology, structure, and gold mineralization, Kirkland Lake and Larder Lake areas (Gauthier and Teck townships): Discover Abitibi Initiative; Ontario Geological Survey, Open File Report 6159, 170p. Hyde, R.S. 1980. Sedimentary facies in the Archean Timiskaming Group and their tectonic implications, Abitibi greenstone belt, northeastern Ontario, Canada; Precambrian Research, v.12, p.161-195. Jackson, S.L. and Fyon, J.A. 1991. The western Abitibi Subprovince in Ontario, in Geology of Ontario; Ontario Geological Survey, Special Volume 4, Part 1, p.405-482. 100
Jackson, S.L., Fyon, J.A. and Corfu, F. 1994. Review of Archean supracrustal assemblages of the southern Abitibi greenstone belt in Ontario, Canada: products of micro-plate interactions within a large-scale plate-tectonic setting; Precambrian Research, v.65, p.183-205. Jaffey, A.H., Flynn, K.F., Glendenin, L.E., Bentley, W.C. and Essling, A.M. 1971. Precision measurement of halflives and specific activities of 235U and 238U; Physical Review C, v.4, p.1889-1906. Jensen, E.P. and Barton, M.D. 2000. Gold deposits related to alkaline magmatism; Reviews in Economic Geology, v.13, p.279-314. Jensen, L.S. and Langford, F.F. 1985. Geology and petrogenesis of the Archean Abitibi belt in the Kirkland Lake area, Ontario; Ontario Geological Survey, Miscellaneous Paper 123, 130p. Jiricka, D.E. 1984. Geology of the Hart–McWatters nickel property; unpublished MSc thesis, Laurentian University, Sudbury, Ontario, 94p. Johns, G.W. 1999. Precambrian geology, Shining Tree area, (east half); Ontario Geological Survey, Preliminary Map P.3389, scale 1:30 000. Johns, G.W. and Amelin, Y. 1998. Reappraisal of the geology of the Shining Tree area (eastern part), Districts of Sudbury and Timiskaming; in Summary of Field Work and Other Activities, 1998, Ontario Geological Survey, Miscellaneous Paper 169, p.43-50. Johnstone, R.M. 1991. The geology of the northwestern Black River–Matheson area, District of Cochrane; Ontario Geological Survey, Open File Report 5785, 288p. Kerrich, R., Wyman, D.A., Fan, J. and Bleeker, W. 1999. Boninite series: low Ti tholeiite associations from the 2.7 Ga Abitibi greenstone belt; Earth and Planetary Science Letters, v.164, p.303-316. Ketchum, J.W. F. Ayer, J.A., van Breemen, O., Pearson, N.J., O’Reilly, S.Y. and Becker, J.K., in press. Pericratonic crustal growth of the southwestern Abitibi subprovince, Canada, Contributions to Mineralogy and Petrology. Krogh, T.E. 1973. A low contamination method for hydrothermal decomposition of zircon and extraction of U and Pb for isotopic age determinations; Geochimica et Cosmochimica Acta, v.37, p.485-494. ——— 1982. Improved accuracy of U-Pb zircon ages by the creation for more concordant systems using an air abrasion technique; Geochimica et Cosmochimica Acta, v.46, p.637-649. Laflèche, M.R., Dupuy, C. and Bougault, H. 1992. Geochemistry and petrogenesis of Archean mafic volcanic rocks of the southern Abitibi Belt, Quebec; Precambrian Research, v.57, p.207-241. Lafrance, B. 2003. Reconstruction d'un environnement du sulfures massifs volcanogènes deforme; exemple archéen de Normetal, Abitibi; Thèse de doctorat [unpublished PhD thesis], Université du Chicoutimi, Chicoutimi, Quebec, 476p. Lafrance, B., Moorhead, J. and Davis, D. W. 2003. Cadre géologique du camp minier de Doyon–Bousquet– LaRonde; Géologie Québec, Ressources Naturelles du Québec, Étude ET2002-07, 43p. Larson, M.S. 1996. Physical volcanology and petrogenesis of intrusive and extrusive komatiites in the Shaw Dome area, Abitibi greenstone belt, Ontario, Canada; unpublished MSc thesis, University of Alabama, Tuscaloosa, Alabama, 259p. Legault, M., Gauthier, M., Jébrak, M., Davis, D.W. and Baillargeon, F. 2002. Evolution of the subaqueous to nearemergent Joutel volcanic complex, Northern volcanic zone, Abitibi Subprovince, Quebec, Canada; Precambrian Research, v.115, p.187-221. 101
Page 1:
ISBN 0-7794-8652-8 THESE TERMS GOVE
Page 5:
ONTARIO GEOLOGICAL SURVEY Open File
Page 9:
Contents Abstract .................
Page 13:
Appendix 1. Thermal Ionization Mass
Page 17:
Miscellaneous Release—Data 155 Di
Page 21:
The Timmins area and Kirkland Lake-
Page 25:
Overview of Results from the Greens
Page 28 and 29:
3. The geophysical subproject funct
Page 30 and 31:
The following Preliminary Maps have
Page 32 and 33:
Samples with zircons analyzed by SH
Page 34 and 35:
Figure 4. U/Pb concordia plots of T
Page 36 and 37:
Figure 6. U/Pb concordia plot of TI
Page 38 and 39:
Targeting of several of these overg
Page 40 and 41:
Figure 10. U/Pb SHRIMP results from
Page 42 and 43:
In northwest Cleaver Township, a fe
Page 44 and 45:
SHRIMP U/Pb dating was carried out
Page 46 and 47:
Stratigraphic Framework In this sec
Page 48 and 49:
PACAUD ASSEMBLAGE The 2750 to 2735
Page 50 and 51:
The iron formation and chert brecci
Page 52 and 53:
(thickness) of banded iron-poor iro
Page 54 and 55:
clast conglomerates at the top of t
Page 56 and 57:
BLAKE RIVER ASSEMBLAGE Lower Part T
Page 58 and 59:
The Krist formation consists of cal
Page 60 and 61:
Timmins Area In the Timmins area, t
Page 62 and 63:
Kirkland Lake-Larder Lake Area Hyde
Page 64 and 65:
Intrusion Framework The plutonic ro
Page 66 and 67:
The youngest dated synvolcanic mafi
Page 68 and 69:
Albitite dikes are crosscut by gold
Page 70 and 71:
Worming Geophysical Data Treatment
Page 72 and 73:
In Timmins, the first generation of
Page 74 and 75:
Figure 20. Geological sketch map of
Page 76 and 77: from Halfmoon Lake, only 2 km to th
Page 78 and 79: The Blake River Group is divided in
Page 80 and 81: Figure 22. Geological map of Munro
Page 82 and 83: Mine stratigraphic succession, have
Page 84 and 85: Figure 24. Geological map of Currie
Page 86 and 87: Table 5. Simplified classification
Page 88 and 89: mesocumulate). The Stoughton-Roquem
Page 90 and 91: Shaw Dome Area GEOLOGICAL SETTING T
Page 92 and 93: 66 Figure 26. A generalized map of
Page 94 and 95: 1999) in their REE patterns and oth
Page 96 and 97: plumbing system geometrically stabl
Page 98 and 99: GOLD MINERALIZATION Production comm
Page 100 and 101: The Narrows Break mineralized zone,
Page 102 and 103: Table 7. Diagnostic mineral assembl
Page 104 and 105: anomaly and the Dome Mine (Figures
Page 106 and 107: Recommendations • Further testing
Page 108 and 109: of the inversion product. (Recent a
Page 110 and 111: the evidence for pre-Pacaud strata
Page 112 and 113: plutonism suggests the onset of reg
Page 114 and 115: Watkinson and Comba 1989; Gibson an
Page 116 and 117: The Kirkland Lake giant gold deposi
Page 118 and 119: The Timmins and Kirkland Lake-Larde
Page 120 and 121: References Ames, D.E., Bleeker, W.,
Page 122 and 123: Bleeker, W., Parrish, R.R. and Sage
Page 124 and 125: Galley, A.G., Pilote, P. and Davis,
Page 128 and 129: Lesher, C.M., 1989. Komatiite-assoc
Page 130 and 131: Péloquin, A.S., Verpaelst, P., and
Page 132 and 133: Stern, R.A. 1997. The GSC sensitive
Page 134 and 135: 108 This page left blank intentiona
Page 136 and 137: THERMAL IONIZATION MASS SPECTROMETR
Page 138 and 139: 04BHA-0462 Granophyre, Kamiskotia G
Page 140 and 141: contrastingly have been dated near
Page 142 and 143: The revised age of 2672.8±1.1 Ma f
Page 144 and 145: fraction (A1a) also overlaps concor
Page 146 and 147: 04JAA-0010 Albitite dike cutting Ti
Page 148 and 149: Therefore, on geochronological grou
Page 150 and 151: Three individual grains were analyz
Page 152 and 153: 03VOI-0422-1 Trachytic lava, Timisk
Page 154 and 155: 03SJP-115-1 Monzonite, Clifford sto
Page 156 and 157: the original Corfu (1993) age, only
Page 158 and 159: Table A1. U/Pb isotopic data for zi
Page 160 and 161: 206 Sample Analysis Description Wei
Page 162 and 163: Appendix 2 Sensitive High-Resolutio
Page 164 and 165: Table A2. Ion microprobe (SHRIMP II
Page 166 and 167: Table A2. continued Struct. U Th Pb
Page 168 and 169: Table A2. continued 204 U Th Pb* Pb
Page 170 and 171: Table A2. continued 204 U Th Pb* Pb
Page 172: Metric Conversion Table Conversion
Page 175 and 176: Chart A. Magnetic and Gravity Three
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