Français
    Translation of original French

 

 

 

 

 

Geology of the Opatica sub-province northeast of Matagami (Amisquioumisca Lake region)

François Leclerc and Emmanuel Caron-Côté
Published on  

 

 

 

In essence

A new geological map of the Amisquioumisca Lake region (Opatica Subprovince) was produced at a scale of 1:50,000 following a survey conducted in the summer of 2016. The mapping of this area revealed four intrusions of mafic to ultramafic composition (Poncheville intrusive Suite) with characteristics similar to the Rocher Intrusion, known to host the Lac Rocher deposit (10.8 % Ni over 3.2 m, 2.34 % Ni and 1.15 % Cu over 14.5 m; Jones and Pitman, 1999). Two new showings show the characteristics of Mo-W mineralization associated with porphyry intrusions. Our work has also made it possible to better define the context for stratiform mineralization of exhalative origin hosted in the amphibolites, paragneisses and iron formations of the Rocher Complex.

Methodology

The area was mapped using the established method for surveys in forested areas served by a network of secondary roads. Geological mapping was carried out by a team of five geologists and five geological assistants between June 10 and August 24, 2016.

Mapping of the study area allowed to produce and update the information presented in the table below:

Data and Analyses
ElementsNumberLink
Outcrops described  (geofiches)12181 218 outcrops
Total lithogeochemical analyses265265 samples
Lithogeochemical analyses of metals of economic interest5757 samples
Geochronological analyses55 samples
Covered thin sections174
Polished thin sections51
Sodium cobaltinitrite stains121
Record cards of the stratigraphic lexicon17
Deposit record cards1010 showings

Previous work

The following table presents a list of work completed in the study area since 1935. It also includes the references cited in the report.

Previous work
Author(s)Type of workContributionLink(s)
Geoffroy et Koulomzine, 1935Mapping of the rivière Broadback areaFirst geological map and geophysical work in the study area.GM 01326
Gaudet et Ingham, 1961;
Ingham, 1961 et 1962
Magnetic ground survey and drillingIdentification of a nickel showing east of Rocher Lake by Osisko Lake Mines.GM 11570
GM 11638
GM 12656

Ahmedali et Remick, 1974

Franconi, 1972; 1974

Mapping of the Frotet-Evans belt by the MinistèreRecognition of stratiform polymetallic mineralization in amphibolites, paragneisses and iron formations of the Rocher Complex.

DP 245

DP 060
DP 265

Franconi, 1971;
Beaumier et Kirouac, 1996
Surveys of lake and stream sediments by the MinistèreGeochemical anomaly maps.DP 209
MB 96-23
Benn et al., 1992;
Sawyer et Benn, 1993;
Sawyer, 1998;
Benn, 2006;
Benn et Moyen, 2008
Geological reconnaissance carried out along road cutsIdentification of the lithotectonic context at the level of the Opatica Subprovince.Source
Source
Source
Source
Source

Calvert et al., 1995,

Calvert et al., 1999

Seismic surveysIdentification of the lithotectonic context at the level of the Opatica Subprovince.Source
Source
Davis et al., 1995U-Pb datingIdentification of the lithotectonic context at the level of the Opatica Subprovince.Source
Gosselin, 1996;
Brisson et al., 1997a, 1997b , 1998a,1998b, 1998c ;
Morin, 1998a, 1998b, 1998c
Systematic mapping of the Frotet-Evans belt by the MinistèreFinalization of the geological mapping of the Rocher Lake area.ET 96-02
RG 98-05
RG 98-06
RG 98-07
RG 97-14
RG 97-15
RG 97-16
RG 96-10
RG 96-11

Chartre et Schandl, 1997;
Benham, 1999;
Rhéaume, 1999

Jones et Pitman, 1999

Detailed mapping, ground magnetic survey, drillingDiscovery of the Ni-Cu Lac Rocher deposit.

GM 55434
GM 59203
GM 56803

GM 57653

Bandyayera et Morin, 1999;
Bandyayera et Sharma, 2001
Metallogenic study and U-Pb datingDetailed studies of Ni-Cu mineralization in the Rocher Lake area.PRO 99-03
MB 2001-06
Goutier, 2006Cartography, geological compilationGeology of the Goéland Lake area (32F/15).RG 2005-05
Dion et Lefebvre, 1998;
Keating et D’Amours, 2010;
D’Amours et Intissar, 2012
Aeromagnetic surveysThe region is fully covered by aeromagnetic surveys.DP 96-07
DP 2010-09
DP 2012-01
Daoudene et al., 2014; 201640Ar/39Ar dating and thermochronological studyComparison of the tectonometamorphic evolution of the Abitibi and Opatica subprovinces.MB 2014-04
MB 2016-01

Perreault et al., 2014

Gagnon, 2015;
D’Amboise et al., 2016

Verification of electromagnetic anomalies by SOQUEMDiscovery of new showings of stratiform polymetallic mineralization associated with amphibolites and paragneisses of the Rocher Complex.

GM 69369

GM 69368
GM 69576

Lithostratigraphy

The study area is located in the southwestern part of the Opatica Subprovince, which is a Mesoarchean-Neoarchean volcano-plutonic and gneissic rocks assemblage of the southeastern Superior Province (Benn et al., 1992; Sawyer et Benn, 1993; Davis et al., 1995; Benn et Moyen, 2008; Percival et al., 2012). Consolidated units in the Amisquioumisca Lake region are divided into three assemblages based on a relative chronology of regional deformation:

  • pre-kinematic to syn-kinematic units;
  • late-kinematic to post-kinematic units;
  • Paleoproterozoic dykes.

The relative chronology of the setting of these units is illustrated in this stratigraphic diagram, which takes into account overlapping relationships described in the field. These observations are supported by U-Pb geochronological data from eight samples taken in the area. This scheme is a very idealized section of the geology of the study area showing the overlapping relationships of the units as well as their relative positions. The size of the units shown in the diagram respects the areas mapped on the surface.

Pre-kinematic to syn-kinematic units

Supracrustal Rocks

The Rocher Complex (Brisson et al., 1998a), gathers the oldest rocks in the study area. It is composed of paragneiss (nAroc1) and amphibolites (nAroc2) in equal proportions, as well as a few decimetric extension lenses of iron formation (nAroc3) and small intrusions of nodular diorite (nAroc4).

Gneissic Rocks

The Rocher Complex is injected by foliated to gneissic tonalites and diorites of the Chensagi Suite (nAcng). This last unit, recognized throughout the Opatica Subprovince, corresponds to the « gray gneiss » of Sawyer and Benn (1993) and is one of the oldest and most voluminous in the region.

The La Bétulaie Complex (nAbtu) represents a new unit composed of migmatitic gneisses of tonalitic and dioritic composition. No overlapping relationship with foliated to gneissic rocks of the Chensagi Suite could be observed in the field. These two units could therefore be contemporary.

A nebulitic migmatite unit (M22), mapped by Ahmedali and Remick (1974) in the Soscumisca Lake area, outcrops in the southwestern region of the study area. We did not visit any outcrop of these migmatites that could be contemporaneous with those of the La Bétulaie Complex.

Intrusive Rocks

The Salamandre Intrusive Suite (Morin, 1998b) is composed of granodiorite (nAsam1), biotite tonalite (nAsam2a), banded hornblende tonalite (nAsam2c), diorite, and quartz diorite (nAsam2) that intersect rocks of the Chensagi Suite and Rocher Complex.

La Rocher-Quénonisca Intrusive Suite (Brisson et al., 1998b) includes several peridotite intrusions (nArok) 0.5 to 1 km in diameter, as well as the intrusions of Whitefish (nAwf) and de Rocher (nAlrc). The Whitefish Intrusion, composed of purple gabbro (nAwf1), is injected between tonalites of the Salamandre Intrusive Suite and paragneisses of the Rocher Complex. The Rocher Intrusion (nAlrc) forms a small circular intrusion that constitutes the host unit of the Lac Rocher Ni-Cu mineralization. It is composed of purple gabbro (nAlrc1), pyroxenite (nAlrc2), peridotite (nAlrc3) and plagioclase peridotite (nAlrc3a). This mafic-ultramafic intrusion cuts migmatitic gneisses of the La Bétulaie Complex.

The Poncheville intrusive Suite (nApcv) represents a new unit introduced here to designate four foliated intrusions composed of pyroxenite, diorite, purple gabbro, and quartz rich granitoids. These intrusions are injected into rocks of the Chensagi Suite and Salamandre Intrusive Suite.

Located at the edge between the Abitibi and Opatica subprovinces, the Ouescapis Pluton (nAoue; Ahmedali et Remick, 1974) consists of foliated to gneissic diorites. It cuts the gneisses of the Chensagi Suite and contains xenoliths of this unit. The northern part of the pluton is hosted in the nebulitic migmatite unit (M22).

The Nottaway Pluton (nAntw) is a new unit of biotite and magnetite granite. The foliated to gneissic granites intersect gneisses of the Chensagi Suite, the nebulitic migmatite unit (M22), the Ouescapis Pluton, and intermediate to felsic rocks of the Salamandre Intrusive Suite.

Late-kinematic to post-kinematic units

Intrusive Rocks

The Frédéric Intrusion (nAfrd) is a new unit corresponding to the informal unit « Aopa3 » defined in the Goéland Lake area by Goutier (2006). In the study area, it is composed mainly of diorite and quartz diorite and also includes some tonalite. This intrusion cuts gneisses of the Chensagi Suite.

The Pinède Grise Pluton (nApg) is a new unit composed of granite and minor monzonite and monzodiorite. It cuts gneisses of the Chensagi Suite.

The Nipukatasi Massif (nAnip; Brisson et al., 1998b) is a granite intrusion associated with smaller amounts of monzonite and quartz monzonite. The massif cuts foliated to gneissic rocks of the Rocher Complex, Chensagi Suite and La Bétulaie Complex.

The Amisquioumisca Suite represents a new unit that includes a main intrusion composed of syenite, monzonite and quartz monzonite (nAamq1), as well as two smaller intrusions made of rocks of intermediate composition (nAamq2). The main intrusion cuts rocks of the Chensagi Suite and La Bétulaie Complex, as well as massive rocks of the Nipukatasi Massif and Pinède Grise Pluton. The two intrusions of intermediate composition cut rocks of the Chensagi Suite and also the main intrusion. It is thus the most recent Neoarchean intrusion in the study area.

Paleoproterozoic dykes

Three swarms of Paleoproterozoic dykes go through the study area.

The Senneterre Dykes combine NE-SW diabases that cut gneisses of the Chensagi Suite and granites of the Nottaway Pluton.

The Biscotasing Dykes are ENE-WSW oriented gabbro veins with a sub-ophitic microstructure. They cut the Senneterre Dykes south of Rocher Lake.

The Esprit Lake Dykes are NW-SE oriented diabases that cut both the Senneterre Dykes and de Biscotasing.

Structural geology

The Amisquioumisca Lake region is characterized by three Neoarchean ductile deformation events named D1, D2 and D3.

Deformation phase (D1)

The first phase of deformation D1, observable at the scale of the outcrop, corresponds to a penetrative foliation or gneissosity (S1) associated with open to isoclinal P1 folds oriented NW-SE to N-S. These structural elements are particularly visible in the oldest units of the Rocher Complex, Chensagi Suite, La Bétulaie Complexand Salamandre Intrusive Suite. They are visible in the hinge areas of tight to isoclinal P2 folds, but are completely transposed into the flanks of the folds (Outcrops 16-FG-5274, 16-EC-2108 and 16-EC-2115). No regional fold nor any fault or shear zone associated with deformation D1 has been identified.

 

Deformation phase (D2)

The main regional deformation episode D2 is manifested by a strongly dipping S2 foliation axial to regional isoclinal P2 folds oriented E-W to ENE-WSW (magnetic field map).

P2 Regional Folds

The study area is affected by three P2 folds of kilometric amplitude (magnetic field map). These double-dipping isoclinal folds have subvertical axial planes that are roughly E-W oriented but locally bend due to slippage movements characterizing the NW-SE major shear zones of Nottaway and Lucky Strike. The P2 anticline located in the northern part of the study area thus shows an orientation ENE-WSW compatible with a counter-clockwise rotation of the sector between these two shear zones. The sigmoidal shape of the two other fold axes in the southern part of the study area reveals drag folds compatible with dextral movement along the Nottaway Shear Zone.

At the scale of the outcrop, the steeply dipping S2 foliation is axial to the isoclinal P2 folds and holds a moderate to subvertical dipping lineation (Stereogram A, magnetic field map). South-west of Amisquioumisca Lake, amphibolites of the Rocher Complex (Outcrop 16-FG-5274) are characterized by an S1 banding affected by tight to isoclinal P2 folds dipping weakly to moderately to the east (26°/082°). These P2 folds are associated with a S2 schistosity of E-W subvertical axial plane (099°/89°). To the southwest of Chensagi Lake, tonalitic to dioritic gneisses of the Chensagi Suite exhibit a S1 gneissic banding materialized by the alternation of coarsely grained quartzofeldpathic leucocratic bands and foliated melanocratic bands of dioritic composition. These bands are folded isoclinally (P2), and then transposed in the regional ENE – WSW S2 schistosity (Outcrop 16-EC-2108).

Chensagi Shear Zone

In the southwestern corner of the region, the intensification of the S2 schistosity defines a shear zone with inverse-dextral motion and SE dipping that we designate as the Chensagi Shear Zone (magnetic field map). Asymmetrical fabrics observed there (S-C fabrics and C’ shear bands) are also attributed to the D2 event. No known mineralization is associated with this shear zone.

 

Deformation phase (D3)

The deformation phase D3 results in a spaced S3 cleavage axial to NW-SE-oriented regional P3 folds in highly foliated diorites and tonalities of the Chensagi Suite, La Bétulaie Complex and Salamandre Intrusive Suite.

P3 Regional Folds

The study area contains four large regional P3 folds with axial traces oriented NW-SE. These folds are open with subvertical axial planes and fold axes dipping weakly towards the SE. The Lac Rocher dome in the eastern part of the study area (magnetic field map) results from the interaction of regional P2 and P3 antiforms and the intrusion of a diorite of the Salamandre Intrusive Suite into metavolcanites of the Rocher Complex. At the scale of the outcrop, diorites of the Salamandre Intrusive Suite show a S2 schistosity crenulated by a S3 NW-SE cleavage North of Amisquioumisca Lake, Type 1 and Type 2-fold interference patterns (Ramsay, 1967) between ENE-WSW axial-trace P2 folds and NW-SE axial trace P3 folds observed in migmatitic gneisses of the La Bétulaie Complexsuggest that migmatization was contemporaneous with the D3 deformation phase.

 

Nottaway Shear Zone

The D3 deformation phase is also associated with steep NW dipping faults and shear zones referred to as the Nottaway Shear Zone (Stereogram B; magnetic field map), a major structure that crosses the entire Opatica Subprovince and that extends towards the SE in the Abitibi Subprovince. In the study area, the lineaments that border the positive magnetic anomaly of the Nottaway Pluton granite make it possible to appreciate the width of the Nottaway deformation corridor, which reaches about ten kilometers in width. Near the shear zones, a mylonitic fabric shows kinematic indicators (omega and S-C-C’ shadows) that outline oblique-dextral movement (Outcrop 16-KG-4125 and Outcrop 16-JV-3106). Very low dipping lineations confirm the essentially strike-slip motion along this deformation corridor (stereogram C; magnetic field map). On a regional scale, the map of the residual total magnetic field shows the development of drag folds compatible with dextral oblique movement recognized in the field. These structures demonstrate dragging and transposition of the earlier D1 and D2 fabrics. Despite its imposing size, no mineralization has been identified so far within the Nottaway Shear Zone.

 

Metamorphism

In the study area, gneisses of tonalitic and dioritic composition from the Chensagi Suite (nAcng), La Bétulaie Complex (nAbtu) and the nebulitic structure unit (M22) show evidence of partial melting indicating that the rocks have reached at least upper amphibolite facies. For the other units, except the proterozoic dykes, the minerals observed in thin sections are rather compatible with lower amphibolite facies.

Economic geology

The Amisquioumisca Lake region shows prospective zones for three types of mineralization:

  • Magmatic nickel-copper mineralization (± cobalt ± platinum group elements) associated with mafic to ultramafic intrusions;
  • Stratiform mineralization of exhalative origin;
  • Molybdenum-tungsten mineralization associated with porphyry intrusions.

The table of showings below presents the results of analyses for ten showings known in the sector, including two new showings discovered in the course of our work.

Mineralized Showings in the Amisquioumisca Lake Region
Name
Content

 

New
Molybdenum-tungsten mineralization associated with porphyry intrusions
0,21 % Mo (E)

 

0,90 % W, 3,1 ppm Ag, 212 ppm Cu, 3,71 % S (E); 473 ppm W, 339 ppm Cu, 3,4 ppm Ag, 6,7 % S (E); 237 ppm Mo (E)

 

 

Known
Magmatic nickel-copper mineralization (± cobalt ± platinum group elements) associated with mafic to ultramafic intrusions
297 000 t @ 1,60 % Ni and 0,60 % Cu (historical resources)

 

0,6 % Ni, 0,22 % Cu, 397 ppb Pt and 465 ppb Pd over 1,2 m (F); 0,71 % Ni, 0,73 % Cu, 1 ppm Pt and 1 ppm Pd over 0,6 m (F)

 

2 % Ni over 0,9 m (F); 0,46 % Ni and 0,2 % Cu over 1,5 m (F)

 

Stratiform mineralization of exhalative origin
1,17 % Zn (E); 0,75 % Zn over 1,0 m (R); 0,17 % Zn and 600 ppm Cu (E)

 

5,87 % Zn and 0,11 % Cu (E); 4,43 % Zn over 0,5 m (R); 1,73 % Zn, 350 ppm Cu, 180 ppm Ni (E)

 

1,12 % Cu over 6 m (R); 2,15 % Cu (E); 1,26 % Cu, 60,3 ppm Ag and 0,38 % Mo (E); 1,96 ppm Au (E)

 

12,1 ppm Ag (E)

 

9,7 ppm Ag, 1,1 % Zn and 0,44 % Pb sur 0,55 m (F); 5,8 ppm Ag and 0,62 % Zn sur 0,7 m (F)

 

 

(E): selected sample; (R): channel; (F): drill

The table of lithogeochemical analyses of metals of economic interest gives the location, the description and the analysis results for 57 samples chosen in order to evaluate the economic potential of the region.

 

Ni-Cu-PGE mineralizations associated with ultramafic intrusions northeast of Matagami

Prospective areas for nickel-copper mineralization (± cobalt ± platinum group elements) are known north of Amisquioumisca Lake (location on the interactive map). The Lac Rocher deposit and the prospective Huskies and Wildcats zones are hosted in three small intrusions of essentially ultramafic composition (peridotite, pyroxenite and some gabbro). These intrusions of 0.5 to 1 km in diameter correspond to circular positive magnetic anomalies spaced about 10 km along an EW alignment on the magnetic field map (Dion et Lefebvre, 1998; Keating and d’Amours, 2010; D’Amours and Intissar, 2012). The Lac Rocher deposit characterized by disseminated, semi-massive and massive mineralization of pyrrhotite, pentlandite and chalcopyrite best illustrates it. The best content (10.8% Ni and 0.6 ppm Pt over 3.2 m) were obtained in a massive sulphide zone located at the base of the Rocher Intrusion (Rocher-Quénonisca Intrusive Suite; Jones and Pitman, 1999). The host unit of this intrusion, composed of tonalitic gneisses of the Chensagi Suite and metric paragneiss xenoliths of the Rocher Complex, may have played an important role in sulphide saturation (Bandyayera and Sharma, 2001). According to Bandyayera and Morin (1999), microstructural evidence suggests that the emplacement of the mineralization results from segregation of sulphides and fractional crystallization of a monosulphidic liquid.

New area to explore for Ni-Cu-PGE mineralization north-east of Matagami

Mapping of the study area allowed us to define new prospective zones for nickel-copper mineralization (± cobalt ± platinum group elements) (location on the interactive map). These areas of strong positive magnetic anomalies include four differentiated intrusions composed of pyroxenite, gabbronorite, purple gabbro, diorite and quartz-rich granitoid, which we assigned to the Poncheville intrusive Suite. These intrusions align on a NE-SW axis from the south of Rocher Lake to the south of Lac Poncheville and cut dioritic to tonalitic gneisses of the Chensagi Suite. As for intrusions of the Rocher-Quénonisca Intrusive Suite located west of the Rocher Lake, purple gabbro is the dominant facies of the Poncheville. Geochemical comparison of major elements from the Poncheville and Quénonisca rocks seems to demonstrate fractional crystallization evolution of a similar tholeiitic magma. Considering the magmatic Ni-Cu (± Co ± PGE) mineralization of the Lac Rocher deposit is located in lower pyroxenite and at the base of the median gabbroic unit of the Rocher Intrusion (Bandyayera and Sharma, 2001), Poncheville pyroxenites and melagabbros represent prospective areas to explore for this type of mineralization.

 

Prospective zone for stratiform mineralization of exhalative origin north-east of Matagami

Amphibolites, paragneisses and iron formations of the Rocher Complex represent prospective zones for exploration for stratiform mineralization of exhalative origin composed of pyrrhotite and pyrite accompanied by traces of chalcopyrite and sphalerite (location on the interactive map). The disseminated or semi-massive to massive lenses mineralization is transposed into the S1 foliation, and remobilized into close to tight P2 fold hinges (Outcrop 16-FG-5274). During mapping of Rocher Lake, Franconi (1974) noted that this mineralization was localized preferentially at the contact between amphibolitized basalts and mafic to intermediate volcaniclastic rocks or paragneisses. The Chensagi-Grille A and Julian-Ouest showings belong to this type of mineralization. The rheological contrast between xenoliths composed of amphibolites and paragneisses (Rocher Complex) and enclosing rocks composed of foliated to gneissic intrusive rocks (Chensagi Suite, La Bétulaie Complex, Nottaway Pluton) or massive intrusive rocks (Nipukatasi Massif) favored the development of a network of fractures and faults. These structures, commonly injected with syn-kynematic felsic intrusions, allowed remobilization of the disseminated stratiform mineralization (Outcrop 16-FL-1017). The JFO, Julian and Nottaway-Bloc Ouest showings show remobilized mineralization emplaced in this context. For the JFO showing, samples collected in fault zones show some gold content (Perreault et al., 2014).

 

New molybdenum-tungsten showing north-east of Matagami

The Pinède Grise Pluton, host of the new Lac Moquachea showing, is a prospective area for molybdenum-tungsten mineralization associated with porphyry intrusions (location on the interactive map). X-ray diffraction analysis of samples from this showing allowed to confirm a tungsten mineralization composed of scheelite (crystals of 80 to 100 µm) and a smaller amount of wolframite (crystals of 10 to 50 µm). The outcrop also shows silver mineralization as veins or veinlets of disseminated to semi-massive sulphides cutting granite (Outcrop 16-EC-2229). Disseminated molybdenite was recognized nearby on an outcrop exposing monzonitic facies. Host rocks of the showing are massive, suggesting a late- to post-kinematic age. Geochemical analyses of granite and monzonite indicate that the intrusion is peraluminous. These characteristics are reminiscent of the tungsten vein deposit-type model developed in peraluminous anorogenic granites (Jébrak and Marcoux, 2008). The Pinède Grise Pluton is therefore a prospective unit for molybdenum-tungsten mineralization. Spatially dispersed scheelite, wolframite and molybdenite associated with quartz veins corresponds to the type 1a mineralization of the Bergslagen deposit in Sweden, which is the largest W and Mo resource in the Scandinavian countries (Hellingwerf and Baker, 1985; Sundblad et al., 1993). Granite of the Lac Moquachea showing also shows hematite-altered biotite bands that may correspond to Bergslagen deposit type-3 mineralization (biotite magnetite schists with quartz-hematite and quartz-pyrite veins).

Contributors

This Geological Bulletin was made possible through the cooperation of many people who actively took part in the various stages of the project.

Production of the Geological Bulletin
AuthorsFrançois Leclerc, geo., Ph.D. francois.leclerc@mern.gouv.qc.ca
Emmanuel Caron-Côté, geo. stag., M.Sc. emmanuel.caron-cote@mern.gouv.qc.ca
OrganismGeneral direction of Géologie Québec, Ministère de l’Énergie et des Ressources naturelles, Government of Québec
Cooperation – Fieldwork
Mapping

Karl Gibbs, geo. stag.; Francis Guay, geo. stag. and Julie Vallières, geo. Assistant geologists: Thomas Debruyne, Maxym-Karl Hamel-Hébert, Julie Perreault, Karim Simard and Ronnie Sinclair Junior Trapper

CookDaniel Crépeau
Camp representativeAlexandre Leduc
LogisticsMarie-France Beaulieu, geo. stag., B.Sc.
Camp set-upStéphane Carignan, MERN supervisor and CIVILCO company team
TransportationWendake Hélicoptère Inc. company: Richard Brunet, pilot, Éric Lacasse, mechanic and Steve Bellefeuille, mechanic
Cooperation – Geological Bulletin (Bulletin géologiQUE)
Consultation and discussion

Daniel Bandyayera, geo., Ph.D.

Jean Goutier, geologist, M.Sc.

CoordinationMarie-Andrée Vézina, geo.
EditingClaude Dion, ing., M.Sc.
Potential assessmentHanafi Hammouche, geo., M.Sc.
GeochemistryFabien Solgadi, geo., Ph.D.
GeomaticsKarine Allard, Kathleen O’Brien and Julie Sauvageau
GeophysicsSiham Benhamed, geo. stag., M.Sc.
Rachid Intissar, geo., M.Sc.
Web managementCaroline Thorn
Critical reviewJames Moorhead, geo, M.Sc.
Patrice Roy, geo, M.Sc.
English translationCéline Dupuis, geo, Ph.D.

References

Author(s)TitleYear of publicationHyperlink (EXAMINE or other)
AHMEDALI, T. – REMICK, J.H.Geology of the Soscumisca Lake area, Abitibi territory. Ministère des Richesses naturelles, Québec; DP 245, 18 pages.1974DP 245
BANDYAYERA, D. – MORIN, R.L’indice du lac Rocher (découverte de Nuinsco Resources Ltd) et le potentiel en nickel-cuivre de la région de Frotet-Evans. Ministère des Ressource naturelles, Québec; PRO-99-03, 13 pages.1999PRO 99-03
BANDYAYERA, D. – SHARMA, K.N.M.Minéralisations en Ni-Cu±ÉGP dans la bande volcano-sédimentaire de Frotet-Evans (SNRC 32K). Ministère des Ressources naturelles, Québec; MB 2001-06, 74 pages.2001MB 2001-06
BEAUMIER, M. – KIROUAC, F.Série des cartes géochimiques couleur. Échantillonnage des sédiments de lac. Région du lac Evans (SNRC 32K). Ministère des Ressources naturelles, Québec; MB 96-23, 33 pages.1996MB 96-23
BENHAM, W.R.Final exploration report, Wildcats property. Queenston Mining, rapport statutaire déposé au Ministère de l’énergie et des Ressources naturelles, Québec; GM 59203, 21 pages, 1 plan.
 
1999GM 59203
BENN, KTectonic delamination of the lower crust during late Archean collision of the Abitibi-Opatica and Pontiac terranes, Superior Province, Canada. In: Benn, K., Condie, K.C., Mareschal, J.C. (editors), Archean Geodynamics and Environments. American geophysical Union; Geophysical Monograph 164, pages 267-282.2006Source
BENN, K. – SAWYER, E.W. – BOUCHEZ, J.L.Orogen parallel and transverse shearing in the Opatica belt, Quebec : implications for the structure of the Abitibi Subprovince. Canadian Journal of Earth Sciences; volume 29, pages 2429-2444.1992Source
BENN, K. – MOYEN, J.F.The late Archean Abitibi-Opatica terrane, Superior Province: a modified oceanic plateau. In: Condie, K.C., Pease, V. (editors), When did plate tectonic begin on planet Earth Geological Society of America; Special Paper 440, pages 173-197.2008Source
BRISSON, H. – GOSSELIN, C. – BEAUMIER, M. – DION, D.-J. – GAULIN, R. – LEFEBVRE, DGéologie de la région du lac Assinica (32J/11). Ministère des Ressources naturelles, Québec; RG96-11, 28 pages.1997aRG 96-11
BRISSON, H. – GOSSELIN, C. – BEAUMIER, M. – DION, D.-J. – GAULIN, R. – LEFEBVRE, D.Géologie de la région du ruisseau Lucky Strike (32J/12). Ministère des Ressources naturelles, Québec; RG96-10, 21 pages.1997bRG 96-10
BRISSON, H. – GOSSELIN, C. – FALLARA, F. – GAULIN, R. – DION, D.-J.Géologie de la région du lac Rocher (32K/09). Ministère des Ressources naturelles, Québec; RG98-05, 22 pages.1998aRG 98-05
BRISSON, H. – GOSSELIN, C. – FALLARA, F. – GAULIN, R. – DION, D.-J.Géologie de la région du lac Evans (32K/15). Ministère des Ressources naturelles, Québec; RG98-06, 22 pages.1998bRG 98-06
BRISSON, H. – GOSSELIN, C. – FALLARA, F. – GAULIN, R. – DION, D.-J.Géologie de la région du lac Théodat (32K/16). Ministère des Ressources naturelles, Québec; RG98-07, 24 pages.1998cRG 98-07
CALVERT, A.J. – SAWYER, E.W. – DAVIS, W.J. – LUDDEN, J.N.Archaean subduction inferred from seismic images of a mantle suture in the Superior Province. Nature; volume 375, pages 670-674.1995Source
CALVERT, A.J. – LUDDEN, J.N.Archean continental assembly in the southeastern Superior Province of Canada. Tectonics; volume 18, pages 412-429.1999Source
CHARTRE, E. – SCHANDL, E.S.Programme d’exploration minière, projet lac Rocher. TSL Assayers Laboratories, rapport statutaire déposé au Ministère de l’Énergie et des Ressources naturelles, Québec; GM 55434, 28 pages, 3 plans.1997GM 55434
D’AMBOISE, P. – GAGNON, J.F. – ROCHEFORT, G.Rapport d’exploration 2014-2015, projet Chensagi (1389). Soquem, rapport statutaire déposé au Ministère de l’Énergie et des Ressources naturelles, Québec; GM 69576, 767 pages, 15 plans.2016GM 69576
D’AMOURS, I. – INTISSAR, R.Levé magnétique aéroporté dans le secteur du lac Evans, Baie-James. Ministère des Ressources naturelles, Québec; DP 2012-01, 8 pages, 66 plans.2012DP 2012-01
DAOUDENE, Y. – TREMBLAY, A. – RUFFET, G. – LECLERC, F.Étude structurale et métamorphique de la bordure nord-est de la Ceinture de roches vertes de l’Abitibi, Québec, Canada : Apport de la thermochronologie 40Ar/39Ar et implications tectoniques. Ministère de l’Énergie et des Ressources naturelles, Québec; MB 2014-04, 57 pages.2014MB 2014-04
DAOUDENE, Y. – LECLERC, F. – TREMBLAY, A.Une histoire tectonométamorphique commune et de longue durée pour les sous-provinces d’Abitibi et d’Opatica, Province du Supérieur, Québec, Canada. Ministère de l’Énergie et des Ressources naturelles, Québec; MB 2016-01, 43 pages.2016MB 2016-01
DAVIS, W.J. – MACHADO, N. – GARIÉPY, C. – SAWYER, E.W. – BENN, K.U-Pb geochronology of the Opatica tonalite-gneiss belt and its relationship to the Abitibi greenstone belt, Superior Province, Quebec. Canadian Journal of Earth Sciences; volume 32, pages 113-127.1995Source
DION, D.J. – LEFEBVRE, D.L.Données numériques (profils) des levés géophysiques aéroportés du Québec – SNRC 32K. Ministère des Ressources naturelles, Québec; DP 96-07.1998DP 96-07
FRANCONI, A.Géochimie des sédiments de ruisseaux : région du lac Rocher. Ministère des Richesses naturelles, Québec; DP-265, 141 pages.1971DP 209
FRANCONI, A.Géologie de la région du lac Rocher, territoire d’Abitibi. Ministère des Richesses naturelles, Québec; DP-060, 13 pages, 2 plans.1972DP 060
FRANCONI, A.Géologie de la moitié ouest de la bande volcano-sédimentaire de Frotet-Evans, territoire d’Abitibi, rapport intérimaire. Ministère des Richesses naturelles, Québec; DP-265, 141 pages.1974DP 265
GAGNON, J.-F.Rapport d’exploration été 2015, Propriété Chablis (1388). Ministère des Ressources naturelles, Québec; GM 69368, 225 pages.2015GM 69368
GAUDET, A. – INGHAM, W.N.Detail magnetometer survey over Keniapiscau Lake Nickel. Osisko Lake Mine, rapport statutaire déposé au Ministère de l’Énergie et des Ressources naturelles, Québec; GM 11570, 1 plan.1961GM 11570
GEOFFROY, P.R. – KOULOMZINE, T.Rapport sur l’étude géologique et la prospection géophysique du territoire de la rivière Broadback. Compagnie franco-canadienne, rapport statutaire déposé au Ministère de l’Énergie et des Ressources naturelles, Québec; GM 01326, 71 pages, 3 plans.1935GM 01326
GOSSELIN, C.Synthèse géologique de la région de Frotet-Troïlus. Ministère des Ressources naturelles, Québec; ET96-02, 22 pages.1996ET 96-02
GOUTIER, J.Géologie de la région du lac au Goéland. Ministère des Ressources naturelles et de la Faune, Québec; RG 2005-05, 39 pages.2006RG 2005-05
HELLINGWERF, R.H. – BAKER, J.H.Wall-rock alteration and tungsten and molybdenum mineralizations associated with older granites in western Bergslagen, Sweden. Economic Geology; volume 80, pages 479-487.1985Source
INGHAM, W.N.1 plan of magnetic survey with DDH location. Osisko Lake Mines, rapport statutaire déposé au Ministère de l’Énergie et des Ressources naturelles, Québec; GM 11638-a, 1 plan.
 
1961GM 11638-A
INGHAM, W.N.15 diamond drill hole logs with assays. Osisko Lake Mines, rapport statutaire déposé au Ministère de l’Énergie et des Ressources naturelles, Québec; GM 12656, 16 pages, 1 plan.1962GM 12656
JÉBRAK, M. – MARCOUX, E.Géologie des ressources minérales. Ministère des Ressources naturelles et de la Faune, Québec; MM 2008-01, 683 pages.2008MM 2008-01
JONES, P. – PITMAN, P.Programme de sondage 1999, propriété lac Rocher. Nuinsco Resources, rapport statutaire déposé au Ministère de l’Énergie et des Ressources naturelles, Québec; GM 57653, 548 pages.1999GM 57653
KEATING, P. – D’AMOURS, I.Réédition des données numériques en format Géosoft (profils) des levés aéroportés de l’Abitibi, au Québec. Ministère des Ressources naturelles et de la Faune, Québec; DP 2010-09, 6 pages.2010DP 2010-09
MORIN, R.Géologie de la région du lac Salamandre. Ministère des Ressources naturelles, Québec; RG97-14, 16 pages, 1 plan.1998aRG 97-14
MORIN, R.Géologie de la région du lac Ouagama. Ministère des Ressources naturelles, Québec; RG97-15, 18 pages, 1 plan.1998bRG 97-15
MORIN, R.Géologie de la région de la Chute aux Iroquois. Ministère des Ressources naturelles, Québec; RG97-16, 15 pages, 1 plan.
 
1998cRG 97-16
PERREAULT, S. – D’AMBOISE, P. – ROCHEFORT, G. – BOIVIN, M.Rapport d’exploration été 2014, propriété Chablis (1388). Soquem, rapport statutaire déposé au Ministère de l’Énergie et des Ressources naturelles, Québec; GM 69369,369 pages, 4 plans.2014GM 69369
RAMSAY, J.G.Folding and fracturing of rocks. McGraw-Hill, New York, 568 pages.1967Source
RHÉAUME, P.International Kirkland Minerals Inc. & Bushman Resources ltd. Joint Venture Huskies Property Report on the 1999 Exploration Program Townships 1116 & 1216, Québec NTS 32K/09. Anglaumaque Exploration, rapport statutaire déposé au Ministère de l’Énergie et des Ressources naturelles, Québec; GM 56803, 45 pages.1999GM 56803
SAWYER, E.W. – BENN, K.Structure of the high-grade Opatica Belt and the adjacent low-grade Abitibi Subprovince, Canada: an Archean mountain front. Journal of Structural Geology; volume 15, pages 1443-1458.1993Source
SAWYER, E.W.Formation and evolution of granite magmas during crustal reworking: the significance of diatexites. Journal of petrology; volume 39, pages 1147-1167.1998Source
SUNDBLAD, K. – AHL, M. – SCHÖBERG, H.Age and geochemistry of granites associated with Mo mineralizations in western Bergslagen, Sweden. Precambrian Research; volume 64, pages 319-335.1993Source
1 mars 2018