2003
DOI: 10.1522/17603747
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Environnement métallogénique du couloir de Fancamp avec emphase sur les gisements aurifères de Chevrier, région de Chibougamau, Québec /

Abstract: IV REMERCIEMENTSCe partenariat a généré trois rapports ministériels qui traitent sur certaines problématiques du secteur (Legault et al., 1995(Legault et al., , 1997(Legault et al., , 2000. Étant donné que certaines informations ont été recueillies après la rédaction de ces rapports, certaines sections de la thèse sont présentées de façon intégrale afin d'incorporer tous les travaux effectués dans le cadre de ce projet. LOCALISATION ET ACCÈSLa région à l'étude est située à environ 30 km au sud de la ville de C… Show more

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Cited by 11 publications
(6 citation statements)
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“…Volcanic cycle 2 is characterized by mafic rocks of the Bruneau Formation (2724.4 ± 1.2 Ma [23]), felsic rocks of the Blondeau Formation (<2724.4 ± 1.2 Ma [27]) and by the intermediate to felsic volcanoclastic and sedimentary units of the undated Bordeleau Formation [10]. The synvolcanic period is also characterized by large volume TTG suites (e.g., La Dauversière Pluton) [28] and TTD suites such as the Eau Jaune Complex [29,30] and the Chibougamau Pluton [10] (Figure 1). During the syntectonic period, basin-restricted sedimentation formed the Opémisca Group.…”
Section: Abitibi Subprovince and Chibougamau Areamentioning
confidence: 99%
“…Volcanic cycle 2 is characterized by mafic rocks of the Bruneau Formation (2724.4 ± 1.2 Ma [23]), felsic rocks of the Blondeau Formation (<2724.4 ± 1.2 Ma [27]) and by the intermediate to felsic volcanoclastic and sedimentary units of the undated Bordeleau Formation [10]. The synvolcanic period is also characterized by large volume TTG suites (e.g., La Dauversière Pluton) [28] and TTD suites such as the Eau Jaune Complex [29,30] and the Chibougamau Pluton [10] (Figure 1). During the syntectonic period, basin-restricted sedimentation formed the Opémisca Group.…”
Section: Abitibi Subprovince and Chibougamau Areamentioning
confidence: 99%
“…The Chibougamau area was mostly deformed and metamorphosed by terrane imbrication during and prior to the syn-tectonic, syn-Opémisca Group (deformation events D1, D2 and D3), as well as during the Grenville orogeny (1100-970 Ma; Rivers et al 1989;Baker 1980;). The first phase of deformation (D1) is characterized by N-S to NNW-striking open synforms without associated axial planar cleavage ) and may be associated with syn-volcanic faults, valleys, and other heterogeneities in the volcanic landscape (Legault 2003). The second phase (D2) initiates at ca.…”
Section: Volcanic Cycle 1 Of the Roy Group Consists Of The Undated Obmentioning
confidence: 99%
“…Volcanic cycle 1 of the Roy Group consists mainly of mafic to intermediate lava flows of the Obatogamau Formation (Daigneault & Allard, 1990; Mueller et al, 1989) overlain by sulphide‐bearing intermediate to felsic and coherent (e.g., lava dome) to clastic (pyroclastic to sedimentary units) volcanic rocks of the Waconichi Formation (Caty, 1975). The mostly effusive volcanic cycle 1 is thought to represent submarine lava plains topped by small volcanic centers (Mueller et al, 1989), which formed in submarine valleys such as the Fancamp corridor (Figure 2) synvolcanic structure (Legault, 2003). In the southern part of the study area (Figure 1), the sedimentary rocks of the Caopatina Formation (Roy Group) are interlayered with volcanic cycle 1 rocks (Mueller et al, 1989; Mueller & Donaldson, 1992).…”
Section: Geological Settingmentioning
confidence: 99%
“…The D 1 deformation event is characterized by N‐S‐ to NNW‐striking open synforms without associated axial planar cleavage (Daigneault et al, 1990). These folds probably represent amplification or reactivation of synvolcanic structures such as the Fancamp corridor (Figure 2) (Legault, 2003).…”
Section: Geological Settingmentioning
confidence: 99%