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Abloviak shear zone

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Journal Article
Published: 01 September 1991
Canadian Journal of Earth Sciences (1991) 28 (9): 1407–1423.
... composed of two lithologically distinct terranes that are part of Abloviak shear zone, a crustal-scale transcurrent shear zone with a sinistral sense of displacement. One of these terranes is parautochthonous with respect to the foreland, the other is allochthonous and interpreted as being separated from...
Journal Article
Published: 01 July 1993
Canadian Journal of Earth Sciences (1993) 30 (7): 1470–1489.
... assemblages followed by subduction-related arc magmatism in the margin of the Rae Province; (I) crustal thickening and nappe tectonics; (II) sinistral transpression and formation of the Abloviak shear zone; (III) uplift on steeply dipping, east-verging mylonites along the eastern orogenic front.U–Pb...
Journal Article
Published: 01 November 1995
Canadian Journal of Earth Sciences (1995) 32 (11): 1870–1882.
... shear zone is 1824 ± 2 Ma, placing a younger limit on the timing of this deformation in the area. A second granitic dyke, emplaced synchronously with dextral deformation in the bend in the Abloviak shear zone, is 1798 ± 3 Ma. A model is proposed in which subduction occurred beneath the Nain craton along...
Journal Article
Published: 02 August 2000
Canadian Journal of Earth Sciences (2000) 37 (8): 1195–1207.
... to be an appropriate ascent mechanism for anorthositic crystal mush and favour conduit emplacement. The intrusions of the Nain Plutonic Suite (NPS) are located along the Abloviak shear zone, which marks the boundary between the Nain and Churchill provinces, and within the zone of juxtaposition of the Saglek...
FIGURES | View All (4)
Journal Article
Published: 01 December 1997
Canadian Journal of Earth Sciences (1997) 34 (12): 1545–1565.
... domain), indented the Rae Province hinterland during the onset of collisional orogeny at ca. 1870 Ma (D n+1 ). Sinistral transpression at ca. 1845–1822 Ma (D n+2 ) caused formation of the orogen-parallel Abloviak shear zone and oblique burial of the Nain Province margin beneath a tilted section...
Journal Article
Published: 03 April 2000
Canadian Journal of Earth Sciences (2000) 37 (4): 517–533.
... to the available information from the different groups of ultramafic dykes described above and are used to contribute to an evaluation of the economic potential of the dyke swarm. The ultramafic dykes are located in the northern part of the Abloviak shear zone, within the Tasiuyak gneisses (Fig.  1...
FIGURES | View All (7)
Journal Article
Published: 25 September 2008
Canadian Journal of Earth Sciences (2008) 45 (8): 909–934.
... gneissosity trending north-northwest. The eastern edge of the orogen is marked by a relatively narrow, steep deformation gradient 1–2 km wide, across which the Paleoproterozoic deformation and metamorphism diminish. The 10–15 km wide Abloviak and ∼10 km wide Komaktorvik shear zones that mark the eastern edge...
FIGURES | View All (5)
Journal Article
Journal: Economic Geology
Published: 01 May 2015
Economic Geology (2015) 110 (3): 691–711.
... (Nain province), CP = Churchill province. The dark gray unit is Tasiuyak gneiss (TG), and light gray refers to the Mesoproterozoic Nain Plutonic Suite (NPS). Paleoproterozoic shear zones include the Abloviak shear zone (ASZ) and the Falcoz shear zone (FSZ). Possible southward extensions of the suture...
FIGURES | View All (16)
Journal Article
Published: 31 May 2002
Canadian Journal of Earth Sciences (2002) 39 (5): 569–587.
.... Honarvar. Structural subdivisions are given as follows. (1) Southeastern Churchill Province: ASZ, Abloviak shear zone; BD, Burwell domain; BEZ, Berard zone; BFF, Bertin fault; BZ, Baby zone; CZ, Cambrian zone; DZ, Doublet zone; FF, Forbes fault; FPD, Four Peaks domain; FRF, Ferrum River fault; FSZ, Falcoz...
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Journal Article
Published: 29 May 2002
Canadian Journal of Earth Sciences (2002) 39 (5): 625–637.
... are derived from satellite measurements of the geoid height. A variable colour scaling was used to better display the main geological features. Several contacts are highlighted by the white lines. ASZ, Abloviak Shear Zone; FSZ, Falcoz Shear Zone; GRSZ, George River Shear Zone; LTF, Lac Turcotte Fault; LTSZ...
FIGURES | View All (6)
Image
Tectonic map of northeastern Québec and northern Labrador, modified after T...
Published: 03 April 2000
Fig. 1. Tectonic map of northeastern Québec and northern Labrador, modified after Taylor ( 1979 ). The insert shows the position of the Torngat Orogen after Hofmann (1989). Codes for tectonic elements: ASZ, Abloviak shear zone; KSZ, Komaktorvik shear zone. Location of the kimberlite
Image
Geological map of the Hudson Strait region (digital image courtesy of Marc ...
Published: 01 June 2000
Fig. 2. Geological map of the Hudson Strait region (digital image courtesy of Marc St-Onge, Geological Survey of Canada, 1999). AB, Abloviak shear zone, which forms the sill of Hudson Strait. Torngat Mountains are the Paleoproterozoic zone in eastern Labrador.
Image
Chronology of events in the SECP as determined by U–Pb dating (see text for...
Published: 29 May 2002
Fig. 11. Chronology of events in the SECP as determined by U–Pb dating (see text for sources). The ticks on the right sides of boxes indicate the precise date(s) or date range for units. ASZ, Abloviak shear zone; GRSZ, George River shear zone; LTSZ, Lac Tudor shear zone. Symbols as in Fig.  2
Journal Article
Published: 29 May 2002
Canadian Journal of Earth Sciences (2002) 39 (5): 639–663.
...Fig. 11. Chronology of events in the SECP as determined by U–Pb dating (see text for sources). The ticks on the right sides of boxes indicate the precise date(s) or date range for units. ASZ, Abloviak shear zone; GRSZ, George River shear zone; LTSZ, Lac Tudor shear zone. Symbols as in Fig.  2...
FIGURES | View All (12)
Image
Composite map obtained by superimposing the shaded relief total magnetic fi...
Published: 29 May 2002
satellite measurements of the geoid height. A variable colour scaling was used to better display the main geological features. Several contacts are highlighted by the white lines. ASZ, Abloviak Shear Zone; FSZ, Falcoz Shear Zone; GRSZ, George River Shear Zone; LTF, Lac Turcotte Fault; LTSZ, Lac Tudor Shear
Image
Fig. 9.   Crustal root of the Torngat Orogen (redrawn from  Funck et al. 20...
Published: 16 April 2010
used in the inversion. Bouguer gravity appears to be a viable proxy for Moho depth in this region. Crustal root is constrained by bend in the Torngat Orogen associated with the Abloviak shear zone (ASZ). Compare with the northeastern portion of Fig. 2 . KSZ, Komaktorvik shear zone​.
Image
Simplified regional geology of northern Labrador modified from several sour...
Published: 01 May 2015
= Churchill province. The dark gray unit is Tasiuyak gneiss (TG), and light gray refers to the Mesoproterozoic Nain Plutonic Suite (NPS). Paleoproterozoic shear zones include the Abloviak shear zone (ASZ) and the Falcoz shear zone (FSZ). Possible southward extensions of the suture zones are also indicated
Image
The southeastern Churchill Province showing the location of ECSOOT seismic ...
Published: 29 May 2002
. ( 1994 ). ASZ, Abloviak shear zone; FSZ, Falcoz shear zone; GRSZ, George River shear zone; HF, Handy Fault; IG, Ingrid Group; KB, Kuujjuaq batholith; KSZ, Komaktorvik shear zone; LHG, Lake Harbour Group; LTF, Lac Turcotte fault; LTSZ, Lac Tudor shear zone; MBSZ, Moonbase shear zone; MG, Mugford Group
Image
Aeromagnetic map of the ECSOOT area, also showing the location of seismic s...
Published: 29 May 2002
. Legend values were chosen at the 5th (–794 nT), 50th (–98 nT), and 95th (772 nT) percentiles. White lines are major tectonic features; thick white lines indicate major shear zones and faults. ASZ, Abloviak shear zone; BD, Burwell domain; BHZ, Baby–Howse zone; DZ, Doublet zone; FSZ, Falcoz shear zone
Image
Gravity map of the ECSOOT area, also showing the location of seismic survey...
Published: 29 May 2002
). Legend values were chosen at the 5th (–95 mGal), 50th (–49 mGal), and 95th (29 mGal) percentiles. Original grid resolution of 2000 m. ASZ, Abloviak shear zone; BD, Burwell domain; BHZ, Baby–Howse zone; DZ, Doublet zone; FSZ, Falcoz shear zone; GRSZ, George River shear zone; HF, Handy Fault; KB, Kuujjuaq