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Hunts Brook Schist

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Journal Article
Journal: GSA Bulletin
Published: 01 September 2013
GSA Bulletin (2013) 125 (9-10): 1618-1632.
...—Cabot fault zone; RIL—Red Indian Line. TABLE 2. U-Pb SENSITIVE HIGH-RESOLUTION ION MICROPROBE (SHRIMP) ISOTOPIC DATA FOR IN SITU MONAZITE ANALYSES FROM KYANITE-STAUROLITE-GARNET SCHIST OF THE CORNER BROOK LAKE BLOCK, WESTERN NEWFOUNDLAND Figure 7. 40 Ar/ 39 Ar geochronology age...
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Journal Article
Published: 01 August 2010
The Canadian Mineralogist (2010) 48 (4): 851-885.
... in a given layered unit. Proterozoic anorthosite plutonic suites, commonly referred to as anorthosite – mangerite – charnockite – granite (AMCG) suites or massifs ( Emslie & Hunt 1990 ), are batholith-scale composite intrusions comprising anorthosite plutons that may be associated with mafic layered...
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Journal Article
Journal: Economic Geology
Published: 01 November 2004
Economic Geology (2004) 99 (7): 1281-1306.
...Lorne E. Young Abstract The Brooks Range is a 950-km-long north-vergent fold and thrust belt, which was formed during Mesozoic convergence of the continental Arctic Alaska terrane and the oceanic Angayucham terrane and was further shortened and uplifted in Tertiary time. The Arctic Alaska terrane...
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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP460.16
EISBN: 9781786203410
... and deformational histories of which have not been identified in the field. This study presents data on the provenance of polydeformed and metamorphosed strata in the southern Brooks Range Schist Belt and Central Belt of presumed Proterozoic–Devonian depositional age, as well as for the structurally overlying...
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Journal Article
Published: 29 May 2002
Canadian Journal of Earth Sciences (2002) 39 (5): 687-710.
... Hopedalian metamorphism and attendant deformation; ( iii ) emplacement of the Hopedale mafic dykes; ( iv ) 3.1 Ga deposition of Hunt River volcanic rocks; ( v ) ca. 3.0 Ga deposition of Florence Lake volcanic rocks; ( vi ) 2.88–2.96 Ga, greenschist- to amphibolite-facies Fiordian metamorphism and formation...
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Journal Article
Journal: GSA Bulletin
Published: 01 May 2013
GSA Bulletin (2013) 125 (5-6): 998-1024.
... Silurian to Early Devonian as a soft-sediment gravity slide on a hypothesized Foster Hill fault. New mapping and U-Pb geochronology do not support this interpretation. The undisputed Rangeley sequence in the Bean Brook slice is different from the disputed sequence in the proposed larger Piermont-Frontenac...
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Series: GSA Field Guide
Published: 01 January 2008
DOI: 10.1130/2007.fld010(04)
EISBN: 9780813756103
... ( Hunt, 1956; Gregory and Chase, 1992, 1994; Wolfe et al., 1998 ). Tectonic influences on incision in this region are poorly understood and are typically attributed to crustal thickening ( McQuarrie and Chase, 2000 ), mantle heterogeneity ( Humphreys and Duecker, 1994 ), or Rio Grande Rift propagation...
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Journal Article
Journal: GSA Bulletin
Published: 01 May 2017
GSA Bulletin (2017) 129 (5-6): 649-676.
...Justin V. Strauss; Carl W. Hoiland; William P. Ward; Benjamin G. Johnson; Lyle L. Nelson; William C. McClelland Abstract The Doonerak fenster of the central Brooks Range, Alaska, exposes a unique package of Cambrian–Devonian(?) volcanic and sedimentary basement rocks (Apoon assemblage) within...
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Journal Article
Published: 01 December 2003
Journal of the Geological Society (2003) 160 (6): 971-983.
..., the rocks dredged from Cavalli Seamount consist of biotite schist, with minor calc-silicate bands. Mineralogy, whole-rock chemistry, U–Pb dating of detrital zircons, and Sr and Nd isotopic composition collectively indicate a siliciclastic–carbonate protolith of latest Cretaceous to Paleogene stratigraphic...
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Journal Article
Journal: Economic Geology
Published: 01 January 2016
Economic Geology (2016) 111 (1): 57-87.
... (−3.4 to −1.3‰) and overlap with analyses from locally pyritiferous Settler schist (−5.4 to −1.2‰). Olivine chemistry reveals a wide range of both Fo (80–89 mol %) and Ni contents (336–3,859 ppm) and provides evidence that Ni contents of olivine were locally upgraded during equilibration with sulfide...
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Journal Article
Published: 01 June 2004
The Canadian Mineralogist (2004) 42 (3): 851-871.
... recristallisation métamorphique régionale associée, jusqu’au faciès schistes verts supérieur. Ces facteurs sont en partie responsables de la géométrie actuelle et des modifications texturales de ces gisements hydrothermaux, formés sur le fond de la mer. Malgré l’importance d’une déformation ductile...
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Journal Article
Journal: Economic Geology
Published: 01 November 2012
Economic Geology (2012) 107 (7): 1403-1432.
..., and interlayered pyritic argillite and mudstone of the Mystic Creek Member of the Totatlanika Schist Formation. Mystic Creek metarhyolite and alkali basalt (Chute Creek Member) constitute a bimodal pair that formed in an extensional environment. A synvolcanic peralkaline quartz porphyry containing veins...
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Journal Article
Published: 27 September 2005
Canadian Journal of Earth Sciences (2005) 42 (6): 1033-1044.
...John R. Laughton; Derek J. Thorkelson; Marc-André Brideau; Julie A. Hunt; Daniel D. Marshall Abstract In the Yukon, the oldest known supracrustal succession, the Wernecke Supergroup, was deposited in a marine basin before 1.71 Ga. The earliest orogenic event to disturb these strata was the Racklan...
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Journal Article
Published: 01 July 2005
Journal of the Geological Society (2005) 162 (4): 723-735.
... of the Tauranga Group ( Kear & Schofield 1978 ). The regional data of Hunt & Syms (1977) define an apparent offset of the Junction Magnetic Anomaly in the Auckland area, known as the ‘South Whangaparoa Offset’ ( Figs 2 and 3a ). Hatherton & Sibson (1970) tentatively attributed this offset...
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Journal Article
Published: 01 July 2007
Exploration and Mining Geology (2007) 16 (3-4): 209-232.
...., Brookes et al., 2002; Hunt et al., 2002 , 2005 ; Thorkelson et al., 2003 ; Yukon MINFILE, 2007 ). Gold-bearing phases were not observed, but gold reports with copper in assay results (e.g., Yukon MINFILE, 2007 ). Uranium (pitchblende, brannerite) and minor cobalt (cobaltian pyrite, erythrite...
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Journal Article
Journal: GSA Bulletin
Published: 01 March 2010
GSA Bulletin (2010) 122 (3-4): 517-536.
... by moderate- to low-angle, southward-dipping, reverse-sense faults ( Ferns and Brooks, 1995 ). U-Pb zircon ages for these metaplutonic rocks range from ca. 230 to 245 Ma ( Walker, 1995 ) and include metaigneous, fault-bounded slices in the Burnt River Schist (interpreted as a higher-grade equivalent...
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Journal Article
Journal: Geology
Published: 01 September 2001
Geology (2001) 29 (9): 811-814.
... ). In the Corner Brook Lake region, metaclastic rocks are overlain by a thick carbonate-dominated succession ( Cawood et al., 1996 ), providing a stratigraphic link to other successions of the Humber margin. Peak metamorphism took place during the Early Silurian ( Cawood et al., 1994 ), but an early...
FIGURES
Journal Article
Published: 27 October 2009
Geological Magazine (2009) 147 (1): 145-150.
... Schist is reported to have a younger Rb–Sr whole rock isochron age of 667 ± 20 Ma (Thorpe et al . 1984 ), which along with the Primrose Hill Gneiss have been interpreted as metamorphosed sedimentary remnants of unknown protolith age. Much of both western and eastern Avalonia is dominated by arc...
Journal Article
Journal: GSA Bulletin
Published: 01 August 2002
GSA Bulletin (2002) 114 (8): 964-982.
... at the Belleisle fault. The recognition that late Precambrian volcanic and granitic rocks occur northwest of the Belleisle fault in the New River terrane ( Johnson and McLeod, 1996 ; Currie and Hunt, 1991 ; Currie and McNicoll, 1999 ) led some workers to move the northwestern boundary of the Avalon zone...
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Journal Article
Published: 01 June 2000
Petroleum Geoscience (2000) 6 (2): 165-173.
... ( Tissot & Welte 1984 ; Peters & Casa 1994 ; Hunt 1996 ). The hydrocarbon potential of the source rocks in the Sava Depression is variable as a result of the fluctuating anoxic and oxic conditions in the depositional environment ( Demaison & Moore 1980 ; Demaison et al . 1984...
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