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Locker Lake Formation

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Location and regional geologic framework of the Athabasca Basin (after Card et al., 2007a, b; Jefferson et al., 2007; Ramaekers et al., 2007). Abbreviations: AB = Athabasca Basin, C = Carswell…, D = Douglas, FP = Fair Point, LL = Locker Lake, LZ = Lazenby Lake, MF = Manitou Falls, O = Otherside, RD = Read, S = Smart, S/M = undivided Smart or Manitou Falls formations, W = Wolverine Point. Red stars represent major uranium deposits.
Published: 01 March 2017
Fig. 1. Location and regional geologic framework of the Athabasca Basin (after Card et al., 2007a , b ; Jefferson et al., 2007 ; Ramaekers et al., 2007 ). Abbreviations: AB = Athabasca Basin, C = Carswell…, D = Douglas, FP = Fair Point, LL = Locker Lake, LZ = Lazenby Lake, MF = Manitou Falls
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(a) Location of the Athabasca Basin in the regional tectonic framework of northern Saskatchewan (after Card 2012). (b) Regional geological map of the Athabasca Basin showing sedimentary formations and major uranium deposits (modified from Jefferson et al. 2007; Ramaekers et al. 2007; Bosman et al. 2012). Abbreviations: B = basement, C = Carswell, D = Douglas, F–O = undivided Fair Point to Otherside formations, FP = Fair Point, LL = Locker Lake, LZ = Lazenby Lake, MF = Manitou Falls (b = Bird, c = Collins, d = Dunlop, r = Raibl, w = Warnes), O = Otherside, RD = Read, S/M = undifferentiated Smart and/or Manitou Falls, Wp = Wolverine Point. The map grid coordinates are in the UTM, North American Datum 1983 (NAD83), zone 13N.
Published: 23 August 2021
. 2007 ; Bosman et al . 2012 ). Abbreviations: B = basement, C = Carswell, D = Douglas, F–O = undivided Fair Point to Otherside formations, FP = Fair Point, LL = Locker Lake, LZ = Lazenby Lake, MF = Manitou Falls (b = Bird, c = Collins, d = Dunlop, r = Raibl, w = Warnes), O = Otherside, RD = Read, S/M
Image
(a) Location of the Athabasca Basin in the regional tectonic framework of northern Saskatchewan’s Precambrian (after Card, 2012). (b) Regional geologic map of the Athabasca Basin showing each formation, major uranium deposits (modified from Jefferson et al., 2007; Ramaekers et al., 2007; Bosman et al., 2012), and the location of regional illite, chlorite, and tourmaline anomalies in the surficial material and outcrops of the Athabasca Group (after Earle and Sopuck, 1989). Abbreviations: B = basement, C = Carswell, D = Douglas, F - O = undivided Fair Point to Otherside formations, FP = Fair Point, LL = Locker Lake, LZ = Lazenby Lake, MF = Manitou Falls (b = Bird, c = Collins, d = Dunlop, r = Raibl, w = Warnes), O = Otherside, RD = Read, S/M = undifferentiated Smart and/or Manitou Falls, W = Wolverine Point. The map grid coordinates are given in the UTM, North American Datum 1983 (NAD83), zone 13N.
Published: 01 September 2017
formations, FP = Fair Point, LL = Locker Lake, LZ = Lazenby Lake, MF = Manitou Falls (b = Bird, c = Collins, d = Dunlop, r = Raibl, w = Warnes), O = Otherside, RD = Read, S/M = undifferentiated Smart and/or Manitou Falls, W = Wolverine Point. The map grid coordinates are given in the UTM, North American
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Al2O3 (upper) and illite (lower) spatial distributions. The figure shows a vertical section across the 3D models (see Figure 1c). (a) Distal section, A–B, perpendicular to the SLC and constrained by five drill holes. Only drill hole Erica 1 did not intersect any basement-rooted structure. (b) Sections across the mineralized areas of Anne and Colette along the SLC (longitudinal sections: C–D, E–F, G–H; lateral section: I–J). Only the most representative drill holes used in the text are shown (white vertical line). White indicates smaller contents; black, greater contents. Black outline: high-grade ore zone (U >500 ppm). Abbreviations: LL, WP, LzL,MF, Uc are Locker Lake, Wolverine Point, Lazenby Lake,Manitou Falls Formations, and unconformity, respectively.
Published: 01 June 2006
outline: high-grade ore zone (U >500 ppm). Abbreviations: LL, WP, LzL,MF, Uc are Locker Lake, Wolverine Point, Lazenby Lake,Manitou Falls Formations, and unconformity, respectively.
Journal Article
Published: 01 August 1994
Journal of the Geological Society (1994) 151 (4): 629–646.
..., Content Reach; FB, Freshwater Bay; TCH, TransCanada Highway; ML, Maccles Lake; TNL, Terra Nova Lake. Granite plutons mentioned in text (not given in order of age): 1, Wareham; 2, Middle Brook; 3, Ragged Harbour; 4, Cape Freels; 5, North Pond; 6, Lockers Bay; 7, Gander Lake; 8, Deadmans Bay; 9, Newport; 10...
Journal Article
Journal: GSA Bulletin
Published: 01 July 2003
GSA Bulletin (2003) 115 (7): 845–866.
... of lower Florida Keys [abs.] : American Association of Petroleum Geologists Bulletin , 70 . 607 . Kindinger , J.L. , Davis , J.B. , and Flocks , J.G. , 1999 , Geologic controls on the formation of lakes in north-central Florida , in Pitman , J.K. , and Carroll , A.R. , eds...
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Journal Article
Journal: GSA Bulletin
Published: 28 January 2021
GSA Bulletin (2021) 133 (9-10): 2051–2078.
... on the Enderby Terrence ( Deng et al., 2020a ) and is interpreted to be sandstone dominant, and may be inferred competent and brittle. The Lower to low Middle Triassic claystones, which include the Locker Shale Formation, are expected to be a mechanically weak unit that is widespread and covers most...
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Journal Article
Published: 03 April 2000
Canadian Journal of Earth Sciences (2000) 37 (4): 535–547.
..., North Pond, Dover, Locker’s Bay, and Cape Freels granites (Fig.  1 ; D’Lemos et al. 1997 ). The region was subsequently intruded by extensive late orogenic, “posttectonic” Devonian granite plutons including the Deadman’s Bay and Newport granites (Fig.  1 ; D’Lemos et al. 1995 ). The Gander Group...
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Journal Article
Published: 23 January 2020
The Canadian Mineralogist (2021) 59 (5): 847–868.
... mudstone and tuffaceous quartz-arenite, common thin intraclast conglomerate) and the Claussen member (coarse quartz arenite with sparse mudstone interbeds). Sequence 4 starts with the Locker Lake Formation, nearly 300 m thick and divided into the Snare, Brudell, and Marsin members (coarse quartz...
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Journal Article
Published: 01 June 2006
Clays and Clay Minerals (2006) 54 (3): 295–313.
... outline: high-grade ore zone (U >500 ppm). Abbreviations: LL, WP, LzL,MF, Uc are Locker Lake, Wolverine Point, Lazenby Lake,Manitou Falls Formations, and unconformity, respectively. ...
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Journal Article
Published: 01 June 2006
Clays and Clay Minerals (2006) 54 (3): 275–294.
...: the Manitou Falls c and d (MFc, MFd), Lazenby Lake (LzL), Wolverine Point a and b (WPa, WPb), Locker Lake (LL), and the Otherside (OS) Formations (Table 1 ). This sedimentary succession is covered by recent glacial sediments. Table 1. Lithostratigraphy of the Athabasca Basin (after Ramaekers et al...
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Journal Article
Journal: AAPG Bulletin
Published: 01 June 1945
AAPG Bulletin (1945) 29 (6): 693–700.
... fields extended. New pay zones were found in three fields. The Coldwater, Isabella County, Deep River, Arenac County, and Essexville, Bay County, fields added appreciably to the state’s oil reserves. All are in the “Basin” and production is from the Dundee (Devonian) formation. None of the southwestern...
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Journal Article
Published: 01 December 2004
The Canadian Mineralogist (2004) 42 (6): 1893–1895.
... aspects of serpentine crystallization in situ . At the same time, he saw the importance of a complete understanding of the structure of these minerals to an adequate interpretation of their mechanisms of formation, and undertook a detailed re-appraisal of the structural aspects of the serpentines...
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Journal Article
Published: 01 December 1974
Bulletin of the Seismological Society of America (1974) 64 (6): 1653–1670.
... was well instrumented from both the seismological and the earthquake engineering point of view. The ready availa- bility in the area of many highly trained geophysicists and of much modern equipment made it possible to obtain unusually complete and accurate aftershock data and in- formation on tectonic...
Journal Article
Journal: Geology
Published: 01 September 2008
Geology (2008) 36 (9): 751–752.
... have argued that beach ridges cannot be built by storms because storms are typically erosional and the rate of beach ridge formation is considerably slower than the recurrence rate of storms at any one location ( Tanner, 1995 ; Morton et al., 2000 ). Implicit in these arguments is the assumption...
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Journal Article
Journal: Economic Geology
Published: 01 March 2017
Economic Geology (2017) 112 (2): 451–466.
...Fig. 1. Location and regional geologic framework of the Athabasca Basin (after Card et al., 2007a , b ; Jefferson et al., 2007 ; Ramaekers et al., 2007 ). Abbreviations: AB = Athabasca Basin, C = Carswell…, D = Douglas, FP = Fair Point, LL = Locker Lake, LZ = Lazenby Lake, MF = Manitou Falls...
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Journal Article
Published: 01 June 1991
Journal of the Geological Society (1991) 148 (3): 427–430.
... 23 49 Pickering K. T. Hiscott R. N. Hein F. J. Deep-marine Environments: clastic sedimentation and tectonics 1989 London Unwin Hyman Pilkey O. H. Locker S. D. Cleary W. J. Comparison of sand-layer geometry on flat floors of 10 modern depositional basins...
Journal Article
Published: 16 April 2020
Journal of Sedimentary Research (2020) 90 (4): 403–428.
... in the Northern Carnarvon Basin is divided into the Locker Shale, the Mungaroo Formation, and the Brigadier Formation ( Fig. 2 ). Although none of these units crop out, they are now well known from numerous petroleum exploration and development wells ( Adamson et al. 2013 ; Payenberg et al. 2013 ; Heldreich et...
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Journal Article
Published: 25 June 2015
Canadian Journal of Earth Sciences (2015) 52 (10): 903–920.
... to Calymmian in age ( Bosman and Ramaekers 2013 ; Gradstein et al. 2012 ; Ramaekers et al. 2007 ). The preserved sedimentary record includes the following formations, in order from oldest to youngest: Fair Point, Smart, Read, Manitou Falls, Lazenby Lake, Wolverine Point, Locker Lake, Otherside, Douglas...
Journal Article
Published: 01 October 2024
Journal of Sedimentary Research (2024) 94 (5): 591–616.
...), siliciclastic transportation (i.e., through wadi activation), and the formation of lakes ( Moore and Wade 2013b ; Rosenberg et al. 2013 ; Hoffmann et al. 2015 ; Breeze et al. 2016 ). Although it is understood that climate changes and other environmental factors play a significant role in shaping...
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