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Cadillac Group

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Journal Article
Published: 01 September 2022
Canadian Journal of Earth Sciences (2022) 59 (9): 540–565.
... in Quebec. Immediately north of the LLCDZ along this segment, deformation of the less than ca. 2687 Ma metasedimentary Cadillac Group began with the formation of isoclinal F 1 folds, which are overprinted by post-2676 ± 2.0 Ma regional F 2 folds with an axial planar S 2 cleavage oriented parallel...
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(A) Geological map of the <span class="search-highlight">Cadillac</span> <span class="search-highlight">Group</span>. The latter is folded by regional ...
Published: 01 September 2022
Fig. 4. (A) Geological map of the Cadillac Group. The latter is folded by regional isoclinal F 2 folds overprinted by Z-shaped F 3 folds. The Piché Group is also folded by an F 2 fold. The location of the section in (B), the outcrop maps of Fig. 7 , and the detailed map area in Fig. 13
Journal Article
Journal: GSA Bulletin
Published: 01 January 1990
GSA Bulletin (1990) 102 (1): 147–158.
... erupted into a very shallow subaqueous setting. Turbidites in the Kewagama and Cadillac groups originated from the volcanic complexes and accumulated in the form of subaqueous fans, whereas those in the Pontiac Group are from an unknown source and accumulated on an abyssal plain. In this context...
Series: Society of Economic Geologists Guidebook Series
Published: 01 January 1991
DOI: 10.5382/GB.09
EISBN: 9781934969625
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Detailed map of the QFP intrusion along the contact between the Piché and C...
Published: 01 September 2022
Fig. 13. Detailed map of the QFP intrusion along the contact between the Piché and Cadillac groups. The QFP intrusion is truncating bedding in sedimentary rocks of the Cadillac Group and is folded by F 2 folds. Thick transparent white line represents gravel road. See Fig. 4 for location. UTM
Journal Article
Journal: Economic Geology
Published: 01 January 2014
Economic Geology (2014) 109 (1): 121–166.
... consists of stacked, deformed, and transposed semimassive to massive pyrite-rich lenses, breccia zones, and associated sulfide veins and stringer zones hosted by the upper member of the Bousquet Formation, ~50 to 100 m stratigraphically below the <2687 Ma Cadillac Group sedimentary rocks. The main ore...
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Journal Article
Journal: Economic Geology
Published: 01 June 2007
Economic Geology (2007) 102 (4): 633–666.
... massive pyrite-sphalerite-galena lens (20N Zn zone). The 20 South lens is an 8- to 10-m-thick gold- and zinc-rich massive sulfide and stringer zone located about 10 to 15 m below the Cadillac Group sedimentary rocks (<2687 Ma). At depth (≥1,900 m below surface), the 20 North and 20 South lenses grade...
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Geological maps of stripped outcrops on opposite limbs of a regional F 2  f...
Published: 01 September 2022
Fig. 7. Geological maps of stripped outcrops on opposite limbs of a regional F 2 fold. (A) Timiskaming Group outcrop near the Dempsey Cadillac Shaft, with south-younging beds and S 2 cleavage oriented clockwise to the beds. V 1 veins are oriented anticlockwise to bedding. (B) Cadillac Group
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Stereonet plots of lineations and fold axes, and poles to veins, foliations...
Published: 01 September 2022
Fig. 5. Stereonet plots of lineations and fold axes, and poles to veins, foliations and fold axial planes in the Cadillac Group, Malartic segment. The contours are in percentage of the total data points per 1% area of the stereonet. Number of measurements at bottom right of stereonet plots.
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Simplified schematic geologic map of level 84-00 (840 m below surface) show...
Published: 01 May 2022
Fig. 2. Simplified schematic geologic map of level 84-00 (840 m below surface) showing the distribution of the main units of the Hébécourt and Bousquet Formations and Cadillac Group, and the ore zones of the Zone 2 Extension and North and Westwood corridors. Coordinates are in mine grid.
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Field photographs of lithological units. (A) Turbiditic wacke of the Cadill...
Published: 01 September 2022
Fig. 3. Field photographs of lithological units. (A) Turbiditic wacke of the Cadillac Group. Younging direction is in the direction of the black arrows and is indicated by normal grading. Photo card (9 cm in length) for scale. (B) Polymictic conglomerate of the Timiskaming Group. Hammer (33 cm
Series: Society of Economic Geologists
Published: 01 January 2017
DOI: 10.5382/Rev.19.08
EISBN: 9781629491172
... mining camp. The Lapa deposit main ore zones are mostly hosted in the Piché Group ultramafic to intermediate volcanic units that are strongly transposed and separated by subvertical, anastomosed high-strain corridors that are part of the Larder Lake-Cadillac fault zone. There are 12 ore zones...
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Summary of rock assemblages near the Piché Structural Complex (PSC) and rel...
Published: 26 March 2018
/a 2678–2676 De Souza et al. 2015 Timiskaming Group Conglomerates and sandstones n/a 2677–2672 Davis 2002 ; Pilote et al. 2015 a Cadillac Group Wackes n/a 2686 Mortensen 1993 ; Davis 2002 Pontiac Group Wackes n/a 2686 Davis 2002 Blake River Group Mafic to felsic
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A. U-Pb concordia diagram for zircons from unit 5.2b (subunit 5.2b-R, rhyol...
Published: 01 June 2007
-phyric rhyolite; sample LAPL-018–2000). The analytical data are given in Table 3 and sample locations are shown on Figure 2A . C. U-Pb Concordia diagram for zircons from Cadillac Group sedimentary rocks (sample LABD-462–2001). The analytical data and sample locations are given in Table 3 . D. U-Pb
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A. Section view of the 20N Au zone, showing strong transposition of the pyr...
Published: 01 June 2007
, showing massive sulfides transposed parallel to the main foliation. G. Foliated aluminous 20N Au zone at depth in the mine showing kyanite, pyrite, and chalcopyrite. H. Pyrrhotite-rich semimassive sulfide zone at the contact between unit 5.5 of the upper member of the Bousquet Formation and the Cadillac
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A. Unit 5.3 feldspar- and quartz-phyric rhyolite characterized by blue-gray...
Published: 01 June 2007
to the contact with the Cadillac Group sedimentary rocks. F. Upper felsic tuffaceous facies of Unit 5.5 characterized by feldspar ± quartz crystal angular fragments in a fine-grained quartzofeldspathic matrix.
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Field photographs of D 2  and D 3  structures. (A) Parasitic F 2  folds in ...
Published: 01 September 2022
Fig. 8. Field photographs of D 2 and D 3 structures. (A) Parasitic F 2 folds in turbiditic wacke of the Cadillac Group. S 2 cleavage is oriented clockwise to south-younging beds. Coin (18 mm diameter) for scale. (B) S 2 -spaced cleavage defined by biotite oriented anticlockwise to north
Series: Special Publications of the Society of Economic Geologists
Published: 01 January 2020
DOI: 10.5382/SP.23.02
EISBN: 9781629496429
... of the Cadillac and Kewagama groups. Rocks of the Cadillac Group rest unconformably or disconformably on older volcanic rocks of the Blake River Group ( Gunning and Ambrose, 1940 ; Mercier-Langevin et al., 2007a ) and have a maximum depositional age of ~2685 Ma, as constrained by U-Pb dating of detrital zircon...
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Photographs of structural features and host rocks from the Bousquet 2-Dumag...
Published: 01 January 2014
and the Hangingwall fault at the contact with the highly strained Cadillac Group sedimentary rocks (not seen in the photograph), Bousquet 2 (stope 10-217). D. Section view, looking east, showing intense deformation recorded by semimassive pyrite and wall-rock slivers, Massive Hangingwall zone, Bousquet 2 (stope 10
Series: Society of Economic Geologists
Published: 01 January 2017
DOI: 10.5382/Rev.19.05
EISBN: 9781629491172
... is composed mainly of several cycles of mafic to felsic volcanic rocks. Two dominantly sedimentary groups postdate the volcanic rocks, namely the older, graywacke-rich Pontiac Group (including the likely correlative Kewagama and, in part, Cadillac and Hearst groups) and the younger Timiskaming Group. The term...
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