Moose River Basin: geology and mineral potential - Geology Ontario

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Moose River Basin 2.6-Log of drillhole 75-04 ..... .. .. .... .. .... ... . .. .. ... . .. .. .. ... . ........ . ... .... .. . 42 2.7-Log of drillhole 75-05 ... . .. .. .. .... .. .. ... .... .. ... ... .. .. ... ........ .. ....... .. . 43 2.8-Log of drillhole 75-06 . ... ..... ... .... ..... ...... ... . .. .. ..... .. .... ... . .. .. ... .. . 44 2.9-Correlation of drillholes 75-01 to 75-06 . . . . .. . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 PHOTOGRAPHS 2.1-Adam Creek where it drops from the Precambrian escarpment . . . . . . . . . . . .. . . . . . . . . . . . . 25 2.2-Outcrop of Sextant Formation on east bank of Adam Creek ....... .. .... ... ... .. . ... . .. 31 2.3-Outcrop of Mattagami Formation exposed on Missinaibi River . . .. . . . . . . . .. . . . . . . . . . . . . 32 2.4-Ferruginous sands of Mattagami Formation, Missinaibi River . ... .. .. .. ... ... .. .. .. . .. 33 2.5-Mattagami Formation in contact with overlying Quaternary deposits, Adam Creek . . . . . . . 34 22
ABSTRACT Mesozoic Stratigraphy Unconsolidated Mesozoic sediments are present in the southeastern part of the Moose River Basin, James Bay Lowland. Geological studies have been carried out intermittently in this area for nearly a century, but between 1975 and 1977 the Ontario Geological Survey implemented a major new programme of drilling, geophysical, and field mapping activities with a view to assessing the lignite and industrial mineral resource potential of the Mesozoic sediments. Two lithostratigraphic units have been distinguished. The Mistuskwia Beds (Middle Jurassic) occur toward the central part of the basin and consist of varicoloured calcareous clays and thin horizons of grey to white, fine to medium grained, calcareous, quartz sands. The maximum known thickness of the unit is 19.4 m. Disconformably overlying the Mistuskwia Beds is the Lower Cretaceous Mattagami Formation which has a maximum known thickness of 121.4 m, and consists of a variable sequence of varicol oured clays, quartz sands, and both detrital and in situ lignite. This unit is restricted to the mar ginal areas of the Moose River Basin and deposition took place in two phases. The earlier phase in cluded the accumulation of the important lignite deposits at Onakawana, while sediments of the later phase include pure quartz sands and kaolinitic clays. INTRODUCTION LOCATION AND ACCESS The Moose River Basin is a Phanerozoic sedimentary basin covering about 100 000 km2 of the James Bay Lowland (Figure 2.1). It is bounded approxi mately by Latitudes 50 005' and 52 030' North and Longitudes 78 050' and 84 045' West. The basin lies mainly within the District of Cochrane, northeastern On tario, with small easterly extensions into the Province of Quebec and to Akimiski Island in James Bay. Of particular interest to this study is the southeastern portion of the basin where the Paleozoic bedrock is overlain by Mesozoic sediments. This area, bounded approximately by Latitudes 500 and 51 0 North and Longitudes 80 015' and 83 045' West, is centred about 150 km southwest of Moosonee and lies within the Smoky Falls (42-J) and Moose River(42-I) 1:250 000 NTS map areas. It is crossed by several major north-flowing watercourses, including the Missi naibi, Mattagami, and Abitibi Rivers, which are tributaries of the large Moose River. The southern extent of the Mesozoic sediments coincides with the south ern margin of the Moose River Basin and is demarcated by an abrupt physio graphic change from flat swampy lowlands to more rugged uplands of the Pre cambrian Shield (Photo 2.1). Except for the Spruce Falls Pulp and Paper Company community at Smoky Falls and some Ontario Hydro installations, there are no settlements within the area. The closest important population cen tre is Moosonee near the mouth of the Moose River on James Bay. Highway 11, the closest major road, is some 80 km to the south. Access to the eastern part of the area is by way of the Ontario Northland Railway line that runs from Co chrane to Moosonee. The well known site of Onakawana is a mere railway sid ing about 90 km south of Moosonee. 23
Page 1 and 2: THESE TERMS GOVERN YOUR USE OF THIS
Page 3 and 4: Ontario Geological Survey Study 21
Page 5: FOREWORD MOOSE RIVER BASIN The Meso
Page 8 and 9: CONVERSION FACTORS FOR MEASUREMENTS
Page 10 and 11: In order to maximise the use of sam
Page 12 and 13: Moose River Basin ABSTRACT The vast
Page 14 and 15: Moose River Basin the Paleozoic and
Page 16 and 17: Moose River Basin definitely whethe
Page 18 and 19: 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 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 70 and 71: Moose River Basin DRILLHOLE 75-02 S
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
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^J- C 3 heavy minerals-amo assembla
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75-02 75-03 75 -05 75 -06 DEPTH LOG
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Moose River Basin dium coarse grain
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Moose River Basin sand with some gr
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Moose River Basin 101 - well sorted
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Moose River Basin APPENDIX B All mi
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Moose River Basin strong pleochrois
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Moose River Basin HEAVY MINERAL ANA
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Moose River Basin DRILLHOLE 75-06 d
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Moose River Basin DRILLHOLE 75-05 D
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Moose River Basin Telford, P.O., M.
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Moose River Basin ABSTRACT Disperse
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Moose River Basin floras from which
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Moose River Basin Erlansonisporites
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Moose River Basin Biretisporitespot
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Moose River Basin Cicatricosisporit
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Moose River Basin Cicatricosisporit
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Moose River Basin MOOSE RIVER BASIN
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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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