Moose River Basin: geology and mineral potential - Geology Ontario

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Lignite and Industrial Mineral Resources Light brown crinoidal limestone of the Murray Island Formation disconformably overlies the gypsiferous beds. Much of this limestone is brecciated, pre sumably due to collapse into gypsum solution cavities. Guillet (1967) described the gypsum as generally white, massive, fine to medium grained, and of high purity, with samples consistently averaging more than 90 percent gypsum. The following details are taken from his report: CHEEPASH RIVER OCCURRENCES In Roebuck Township gypsum is almost continuously exposed for 9 km along the Cheepash River. The river banks expose up to 8 m of white, mediumgrained, massive, colloform gypsum with very minor amounts of brown lime stone laminae. During the fall of 1963, Moosonee Gypsum Company carried out a drilling program that proved the continuation of the gypsum to a depth of 38.5 m (Figure 5.9). Their drilling also confirmed an extremely scalloped gyp sum surface caused by deep glacial gouging and solution. MOOSE RIVER CROSSING Gypsum, gypsum breccia, and limestone are continuously exposed in both river banks over a distance of 4 km on the downstream side of the Moose River railway crossing. Gypsum is also exposed for 0.4 km on the southeast shore, 11 km downstream from the railway bridge. The outcrops consist typically of 3 to 5 m of gypsum-limestone breccia overlying and in sharp contact with l m of wavy bedded, resinous-brown and white, coarsely recrystallized selenitic gypsum. Massive, medium grained, white gypsum, containing numerous "eyes" and healed fractures of recrystallized brown selenite, and minor thin limy laminae, underlie the brown and white gypsum zone. Thin-bedded, fine-grained brown limestone overlies the gypsum sequence near the extremities of the gypsum outcrop areas. On the northwest shore the terraced river bank is 8 m high, the upper 3 m (above the gypsum sequence) consisting of till and river sands. On the southeast shore the bank is 15 m high, of which 6 to 8 m is overburden. In 1929 the James Bay Basin Oil Company Limited drilled three holes on the islands upstream from the Moose River bridge. One at the head of Mike Is land, 3 km upstream from the last gypsum outcrop, encountered gypsum inter bedded with shale and limestone through a vertical range of 60 m. Another, drilled at the head of Murray Island, almost opposite the last gypsum outcrop, intersected 30 m of gypsum. The section indicated by the latter hole is illus trated in Figure 5.10. GYPSUM MOUNTAIN White, massive, sugary gypsum, in banks 5-6 m high, outcrops above the muskeg near the east boundary of Stapells Township. The occurrence, known 175
Moose River Basin Figure 5.9-Outcrops of gypsum in the Moose River Basin. 176
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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
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Moose River Basin Onakawana were di
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History of Geological Exploration f
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Moose River Basin mounted Acker dri
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Moose River Basin REFERENCES Aquita
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Moose River Basin Henley, T.J., and
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Moose River Basin Shawinigan Engine
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Moose River Basin 2.6-Log of drillh
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Moose River Basin Figure 2.1-Geolog
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Moose River Basin Drillhole Locatio
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Moose River Basin garni and Abitibi
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Moose River Basin quite irregular i
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Moose River Basin OGS10456 Photo 2.
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Moose River Basin OGS10458 Photo 2.
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Moose River Basin DEPTH METRES FEET
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Moose River Basin by Hamblin (this
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Moose River Basin DEPTH ELEVATION 9
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Moose River Basin sediments of the
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Moose River Basin vicinity of drill
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Moose River Basin Scintex Surveys L
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Moose River Basin 3.4-Hornblende-py
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Moose River Basin TABLE 3.1 SAND SA
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Moose River Basin The Missinaibi Ri
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Moose River Basin clay and sand of
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Moose River Basin DRILLHOLE 75-02 S
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Moose River Basin PERCENTAGE 57 59
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Moose River Basin PERCENTAGE 20 30
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Moose River Basin clays, carbonate,
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Moose River Basin sin. Samples 185
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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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Page 135 and 136: Mesozoic Palynology 23 125
Page 137 and 138: Mesozoic Palynology
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Page 141 and 142: Mesozoic Palynology REFERENCES Bell
Page 143: Mesozoic Palynology Williams, G.L.
Page 146 and 147: Moose River Basin Moose River Basin
Page 148 and 149: Moose River Basin examined..." and
Page 150 and 151: Moose River Basin The Onakawana Lig
Page 152 and 153: Moose River Basin o Q. 0) T3 O) 142
Page 154 and 155: Moose River Basin In samples of lig
Page 156 and 157: Moose River Basin Figure 5.4-Map sh
Page 158 and 159: Moose River Basin CHAUSSE CREEK, OP
Page 160 and 161: Moose River Basin DRILLHOLE 75-05 T
Page 162 and 163: Moose River Basin more is to be gai
Page 164 and 165: Lignite and Industrial Mineral Reso
Page 180 and 181: DRILLHOLE 75-03. Lignite and Indust
Page 198 and 199: INDEX PAGE Abitibi River . . . . .
Page 200: PAGE Pleistocene-Mesozoic contact.
Page 203 and 204: Moose River Basin REFERENCES Aquita
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Page 215: 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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