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

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Figure 2. Distribution <strong>of</strong> lithotectonic assemblages, intrusions, major structures and U/Pb ages in <strong>the</strong> Timmins to Kirkland Lake study area. 5310000m N 5320000m N 5330000m N 5340000m N 5350000m N 5360000m N 5370000m N 5380000m N 5390000m N 5400000m N 5410000m N 450000m E 460000m E 470000m E 480000m E 490000m E 500000m E 510000m E 520000m E 530000m E 540000m E 550000m E 560000m E 570000m E 580000m E 590000m E 600000m E KINGSMILL AUBIN NESBITT BECK REAUME HANNA 11 ST. JOHN PYNE MORTIMER SHERRING MARATHON BOWYER PURVIS BONIS STEELE 1 : 2712.3±2.8 GEARY THORBURN 2719.5±1.7 LOVELAND ROBB Kamiskotia Kamiskotia Lake 5 : 2701.1±1.4 TURNBULL CARSCALLEN DENTON REYNOLDS 450000m E 2707±2 1140.6±2 2703±1.9 2724.8±1 2713.2±1.8 2 : 2714.6±1.2 8 : 2712.2±0.9 CHILDERHOSE Kenogamissi Batholith McBRIDE ROBLIN HAZEN 144 144 Mattagami River Fault 4 : 2700.0±1.1 3 : 2704.8±1.4 101 T ata chikapika 2689.3±4.5 MAHAFFY Lower Sturgeon River Mattagami River Kenogamissi Lake 460000m E 2702.9±1.3 REID 2705.7±2 MACDIARMID JAMIESON GODFREY 7 : 2703.1±1.2 2473+16/-9 2705±2 2687.7±1.4 BRISTOL 2687±3 THORNELOE McKEOWN DOYLE Lower Michegama Lake Mattagami River 2713.1±1.3 2716±1.2 6 : 2698.6±1.3 HASSARD GOUIN EMERALD Hassard Lake Jo cko Creek 2714.9±1.1 2714.4±0.8 2711.3±1.5
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ISBN 0-7794-8652-8 THESE TERMS GOVE
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ONTARIO GEOLOGICAL SURVEY Open File
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Contents Abstract .................
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Appendix 1. Thermal Ionization Mass
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Miscellaneous Release—Data 155 Di
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The Timmins area and Kirkland Lake-
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Overview of Results from the Greens
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3. The geophysical subproject funct
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The following Preliminary Maps have
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Samples with zircons analyzed by SH
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Figure 4. U/Pb concordia plots of T
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Figure 6. U/Pb concordia plot of TI
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Targeting of several of these overg
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Figure 10. U/Pb SHRIMP results from
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In northwest Cleaver Township, a fe
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SHRIMP U/Pb dating was carried out
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Stratigraphic Framework In this sec
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PACAUD ASSEMBLAGE The 2750 to 2735
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The iron formation and chert brecci
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(thickness) of banded iron-poor iro
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clast conglomerates at the top of t
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BLAKE RIVER ASSEMBLAGE Lower Part T
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The Krist formation consists of cal
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Timmins Area In the Timmins area, t
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Kirkland Lake-Larder Lake Area Hyde
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Intrusion Framework The plutonic ro
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The youngest dated synvolcanic mafi
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Albitite dikes are crosscut by gold
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Worming Geophysical Data Treatment
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In Timmins, the first generation of
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Figure 20. Geological sketch map of
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from Halfmoon Lake, only 2 km to th
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The Blake River Group is divided in
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Figure 22. Geological map of Munro
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Mine stratigraphic succession, have
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Figure 24. Geological map of Currie
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Table 5. Simplified classification
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mesocumulate). The Stoughton-Roquem
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Shaw Dome Area GEOLOGICAL SETTING T
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66 Figure 26. A generalized map of
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1999) in their REE patterns and oth
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plumbing system geometrically stabl
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GOLD MINERALIZATION Production comm
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The Narrows Break mineralized zone,
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Table 7. Diagnostic mineral assembl
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anomaly and the Dome Mine (Figures
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Recommendations • Further testing
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of the inversion product. (Recent a
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the evidence for pre-Pacaud strata
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plutonism suggests the onset of reg
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Watkinson and Comba 1989; Gibson an
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The Kirkland Lake giant gold deposi
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The Timmins and Kirkland Lake-Larde
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References Ames, D.E., Bleeker, W.,
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Bleeker, W., Parrish, R.R. and Sage
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Galley, A.G., Pilote, P. and Davis,
Page 126 and 127: Heather, K.B., Percival, J.A., Mose
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: Chart A. Magnetic and Gravity Three
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Overview of Results from the Greenstone ... - Geology Ontario

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