Moose River Basin: geology and mineral potential - Geology Ontario

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Moose River Basin DRILLHOLE 75-02 Similar trends occur in this other northern hole (Figure 3.2). The upper most sampled portion, samples 125 to 137, has a fairly uniform total carbonate content increasing slightly with depth, and whereas dolomite dominates over calcite, the latter also increases downward until they are nearly equal. Sample 138 is very deficient in carbonate though the calcite: dolomite ratio drops only slightly. Samples 139 to 144 have fairly consistent total carbonate and calcite: dolomite ratio values. However, sample 149 is again low in carbonate and cal cite now dominates over dolomite. In sample 153 a major change appears, which continues to the Paleozoic contact, as calcite and total carbonate leap into the 30 or 40 percent range, and calcite greatly exceeds dolomite. Obvious changes occur at sample 138 and at samples 144-149-153 and the proportions are similar to those in drillhole 75-03. DRILLHOLE 75-05 Upper samples 26 and 28 have high total carbonate values similar to those of other holes but, beneath this, all samples contain very little carbonate and dolomite generally exceeds calcite. Values are most like the very low ones ob tained from the several outcrop samples of Cretaceous sands in the southern parts of the basin. This change occurs between samples 28 and 39. DRILLHOLE 75-06 This hole, 16 km to the northwest, yielded similar data (Figure 3.3). Sam ples 57 to 61 display high carbonate values with the two minerals about equal. From 63 to 93 the totals are much lower, with dolomite values always about twice those of calcite. Below this, data are incomplete due to lack of fine matrix material for analysis but still indicate very high and variable total carbonate and generally equal proportions of calcite and dolomite. The analyses indicate a dolomitic but carbonate-poor layer between two carbonate-rich units in this hole. HORNBLENDE-PYRITE RELATIONSHIPS Visual survey of the heavy mineral analyses revealed a distinct relation between these two minerals. At the upper end of the samples in drillholes 75-02 and 75-06 the percentage of blue-green hornblende is rather high (about 30 to 48 percent in drillhole 75-06, about 22 to 40 percent in drillhole 75-02), but the percentage of pyrite is quite low (about O to 17 percent in 75-06, and O to 7 per cent in 75-02) (Figures 3.4 and 3.5). At a certain stratigraphic level in each hole this relationship reverses. In the lower part of 75-06 the proportions are about 60
Petrography of Mesozoic and Pleistocene Sands O CN I O l -l U") -i K CD Q. 0) S - s - .o o Q T3 CO •2 ^J CO o C q .2 CO CN ^ ri -- nfi S R ? d 3 9 W H N 3 T d W V S 61
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THESE TERMS GOVERN YOUR USE OF THIS
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Ontario Geological Survey Study 21
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FOREWORD MOOSE RIVER BASIN The Meso
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CONVERSION FACTORS FOR MEASUREMENTS
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In order to maximise the use of sam
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Moose River Basin ABSTRACT The vast
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Moose River Basin the Paleozoic and
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Moose River Basin definitely whethe
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Moose River Basin the Onakawana are
Page 20 and 21: Moose River Basin Onakawana were di
Page 22 and 23: History of Geological Exploration f
Page 24 and 25: Moose River Basin mounted Acker dri
Page 26 and 27: Moose River Basin REFERENCES Aquita
Page 28 and 29: Moose River Basin Henley, T.J., and
Page 30 and 31: Moose River Basin Shawinigan Engine
Page 32 and 33: Moose River Basin 2.6-Log of drillh
Page 34 and 35: Moose River Basin Figure 2.1-Geolog
Page 36 and 37: Moose River Basin Drillhole Locatio
Page 38 and 39: Moose River Basin garni and Abitibi
Page 40 and 41: Moose River Basin quite irregular i
Page 42 and 43: Moose River Basin OGS10456 Photo 2.
Page 44 and 45: Moose River Basin OGS10458 Photo 2.
Page 46 and 47: Moose River Basin DEPTH METRES FEET
Page 48 and 49: Moose River Basin by Hamblin (this
Page 54 and 55: Moose River Basin DEPTH ELEVATION 9
Page 56 and 57: Moose River Basin sediments of the
Page 58 and 59: Moose River Basin vicinity of drill
Page 60 and 61: Moose River Basin Scintex Surveys L
Page 62 and 63: Moose River Basin 3.4-Hornblende-py
Page 64 and 65: Moose River Basin TABLE 3.1 SAND SA
Page 66 and 67: Moose River Basin The Missinaibi Ri
Page 68 and 69: Moose River Basin clay and sand of
Page 72 and 73: Moose River Basin PERCENTAGE 57 59
Page 74 and 75: Moose River Basin PERCENTAGE 20 30
Page 76 and 77: Moose River Basin clays, carbonate,
Page 78 and 79: Moose River Basin sin. Samples 185
Page 80 and 81: Moose River Basin blue-green hornbl
Page 82 and 83: ^J- C 3 heavy minerals-amo assembla
Page 84 and 85: 75-02 75-03 75 -05 75 -06 DEPTH LOG
Page 86 and 87: Moose River Basin dium coarse grain
Page 88 and 89: Moose River Basin sand with some gr
Page 90 and 91: Moose River Basin 101 - well sorted
Page 92 and 93: Moose River Basin APPENDIX B All mi
Page 94 and 95: Moose River Basin strong pleochrois
Page 96 and 97: Moose River Basin HEAVY MINERAL ANA
Page 98 and 99: Moose River Basin DRILLHOLE 75-06 d
Page 100 and 101: Moose River Basin DRILLHOLE 75-05 D
Page 102 and 103: Moose River Basin Telford, P.O., M.
Page 104 and 105: Moose River Basin ABSTRACT Disperse
Page 106 and 107: Moose River Basin floras from which
Page 108 and 109: Moose River Basin Erlansonisporites
Page 110 and 111: Moose River Basin Biretisporitespot
Page 112 and 113: Moose River Basin Cicatricosisporit
Page 114 and 115: Moose River Basin Cicatricosisporit
Page 116 and 117: Moose River Basin MOOSE RIVER BASIN
Page 118 and 119: Moose River Basin Plate 1. All figu
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Moose River Basin Plate 2. All figu
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Moose River Basin Plate 3 All figur
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Moose River Basin Plate 4 All figur
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23 24 Mesozoic Palynology
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Mesozoic Palynology 10 fe. 11 12 13
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24 25 26 Mesozoic Palynology
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Mesozoic Palynology 10 11 12 13 14
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Mesozoic Palynology 23 125
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Mesozoic Palynology
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Mesozoic Palynology 10 11 13 14 15
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Mesozoic Palynology REFERENCES Bell
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Mesozoic Palynology Williams, G.L.
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Moose River Basin Moose River Basin
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Moose River Basin examined..." and
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Moose River Basin The Onakawana Lig
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Moose River Basin o Q. 0) T3 O) 142
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Moose River Basin In samples of lig
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Moose River Basin Figure 5.4-Map sh
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Moose River Basin CHAUSSE CREEK, OP
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Moose River Basin DRILLHOLE 75-05 T
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Moose River Basin more is to be gai
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Lignite and Industrial Mineral Reso
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DRILLHOLE 75-03. Lignite and Indust
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INDEX PAGE Abitibi River . . . . .
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PAGE Pleistocene-Mesozoic contact.
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Moose River Basin REFERENCES Aquita
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21 22 24 25 26 28 30
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11 12 13 14 16 17 18 19 23 25
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10 11 12 13 14 15 ' 4 16 17 18 19 2
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Moose River Basin: geology and mineral potential - Geology Ontario

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