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Heron Bay-Hemlo greenstone belt

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Simplified geologic map of the <b>Heron</b> <b>Bay</b>-<b>Hemlo</b> <b>greenstone</b> <b>belt</b>, showing the...
Published: 01 March 2008
F ig . 1. Simplified geologic map of the Heron Bay-Hemlo greenstone belt, showing the location of the Hemlo gold mines (squares in box localizing Fig. 2 ) and major intrusions (modified from Muir, 1997 ).
Image
F ig . 1. Simplified geologic map of the <b>Heron</b> <b>Bay</b>-<b>Hemlo</b> <b>greenstone</b> <b>belt</b>,
s...
Published: 01 January 2003
F ig . 1. Simplified geologic map of the Heron Bay-Hemlo greenstone belt, showing the regional geologic setting of the Hemlo gold deposit. Modified from Muir (1993) , with U-Pb zircon ages from Corfu and Muir (1989a) and Jackson et al. (1998) .
Image
F ig . 1. Simplified geologic map of the <b>Heron</b> <b>Bay</b>-<b>Hemlo</b> <b>greenstone</b> <b>belt</b>, s...
Published: 01 May 2001
F ig . 1. Simplified geologic map of the Heron Bay-Hemlo greenstone belt, showing the regional geologic setting of the Hemlo gold deposit. The area mapped in detail during this study is indicated (area of Fig. 2 ). Modified from Muir (1997) ; U-Pb zircon ages from Corfu and Muir (1989a
Journal Article
Published: 01 May 1993
Canadian Journal of Earth Sciences (1993) 30 (5): 985–996.
...Yuanming Pan; Michael E. Fleet Abstract The tectono-metamorphic history of the late Archean (2800–2600 Ma) HemloHeron Bay greenstone belt in the Superior Province has been delineated from textural relationships, mineral chemistry, and P – T paths in metapelites, cordierite–orthoamphibole rocks...
Journal Article
Journal: Economic Geology
Published: 01 December 1991
Economic Geology (1991) 86 (8): 1626–1645.
...., in the Archean Hemlo-Heron Bay greenstone belt of the Superior province, Ontario, Canada. The Cr- and Fe-rich skarns were metasomatically derived, respectively, from ultramafic-mafic host rocks at 400 degrees + or - 50 degrees C, 3 kbars, and an aqueous fluid (X (sub CO 2 ) <0.03), and mafic host rocks at 500...
Journal Article
Journal: Economic Geology
Published: 01 July 1994
Economic Geology (1994) 89 (4): 720–756.
...Roger J. Kuhns; F. J. Sawkins; Emi Ito Abstract The Golden Giant mine is developed in the Archean Hemlo gold-molybdenum deposit hosted within the Hemlo-Heron Bay greenstone belt in northwestern Ontario, Canada. The ore occurs in steeply dipping tabular zones within metasedimentary rocks and within...
Journal Article
Published: 31 March 2003
Canadian Journal of Earth Sciences (2003) 40 (3): 395–430.
... of the Hemlo greenstone belt (HGB) (generalized from Muir 2000 ). Zircon ages (as Ma) are for granitoid units except as follows: FV, felsic volcanic; IV, intermediate volcanic; S, sedimentary, youngest detrital. HBP, Heron Bay pluton. Ages of batholith components range, at least, from 2720 to 2688 Ma. Pluton...
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Image
Regional geology of the <b>Hemlo</b> <b>greenstone</b> <b>belt</b> (HGB) (generalized from  Muir...
Published: 31 March 2003
Fig. 1. Regional geology of the Hemlo greenstone belt (HGB) (generalized from Muir 2000 ). Zircon ages (as Ma) are for granitoid units except as follows: FV, felsic volcanic; IV, intermediate volcanic; S, sedimentary, youngest detrital. HBP, Heron Bay pluton. Ages of batholith components range
Series: Geological Society, London, Special Publications, Geological Society, London, Special Publications
Published: 01 January 2009
DOI: 10.1144/SP318.6
EISBN: 9781862395664
... & Ciesielski 1986 ). ( b ) Simplified geological map of the Schreiber, Hemlo, Manitouwadge, and White River areas, Wawa Subprovince, showing the location of the Winston Lake and Manitouwadge greenstone belts (modified after Williams et al. 1991 b ). Fig. 1. ( a ) Location of the study...
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Journal Article
Published: 26 January 2011
Canadian Journal of Earth Sciences (2011) 48 (2): 187–204.
...-2541(93)90253-F Corfu F. Muir T.L. 1989 a The Hemlo – Heron Bay greenstone belt and Hemlo Au-Mo deposit, Superior Province, Ontario, Canada. 1. Sequence of igneous activity determined by zircon U–Pb geochronology. Chemical Geology. Isotope Geoscience Section 79 3 183 200...
FIGURES
Journal Article
Published: 01 April 2000
The Canadian Mineralogist (2000) 38 (2): 345–378.
... and granulite facies at ca. 2.7 Ga. Much of the region is underlain by plutonic rocks, including igneous charnockitic bodies, that provide little evidence of metamorphism. In contrast, pelitic assemblages in low-grade greenstone belts and their higher-grade shoulders define four metamorphic zones: 1) sub...
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Journal Article
Published: 02 April 2000
Canadian Journal of Earth Sciences (2000) 37 (2-3): 135–164.
...Robert Kerrich; John Ludden Abstract Models for fluid flow and hydrothermal alteration for the Abitibi greenstone belt are reviewed in the light of Lithoprobe results in the region. In the Abitibi greenstone belt, eruption of volcanic sequences over 2750–2700 Ma was accompanied by pervasive low...
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Journal Article
Published: 31 August 2006
Canadian Journal of Earth Sciences (2006) 43 (7): 967–993.
... of the Woods greenstone belt show the effects of juxtaposition of these two terranes. Isoclinally folded gneiss north of the subprovince boundary zone near Kenora gives a magmatic age of 2882 ± 2 Ma with 3051 ± 6 Ma inheritance. Ages of syntectonic dykes show that asymmetric refolding of these gneisses...
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Journal Article
Journal: Economic Geology
Published: 01 January 2003
Economic Geology (2003) 98 (1): 51–67.
...F ig . 1. Simplified geologic map of the Heron Bay-Hemlo greenstone belt, showing the regional geologic setting of the Hemlo gold deposit. Modified from Muir (1993) , with U-Pb zircon ages from Corfu and Muir (1989a) and Jackson et al. (1998) . ...
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Journal Article
Journal: Economic Geology
Published: 01 March 2008
Economic Geology (2008) 103 (2): 335–351.
...F ig . 1. Simplified geologic map of the Heron Bay-Hemlo greenstone belt, showing the location of the Hemlo gold mines (squares in box localizing Fig. 2 ) and major intrusions (modified from Muir, 1997 ). ...
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Journal Article
Journal: Economic Geology
Published: 01 January 2003
Economic Geology (2003) 98 (1): 1–29.
... (Boddington, Western Australia; Hollinger-McIntyre at Timmins, Canada); and metamorphic remobilization of porphyry or submarine epithermal-style systems (Hemlo, Canada). Such diversity is not unexpected, given the complex and lengthy (~100–200 m.y.) evolution of composite metamorphic belts along active...
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Journal Article
Published: 01 April 2000
The Canadian Mineralogist (2000) 38 (2): 287–317.
... al. 1984 , 1992 ), there is no indication of Geon 28 regional metamorphism in the Wawa subprovince. Major greenstone belts subjected to high-grade metamorphism include the Hemlo, Schreiber and Manitouwadge belts in the north-central and northeastern Wawa subprovince. The Manitouwadge greenstone...
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Journal Article
Journal: Economic Geology
Published: 01 June 2013
Economic Geology (2013) 108 (4): 719–738.
... of the study area, respectively ( Fig. 1B ). The mafic to ultramafic metavolcanic rocks located between the Pukaskwa and Heron Bay plutons, within the southeast part of the Schreiber-Hemlo belt (Heron Bay area), are part of the Pulpwood-Playter Harbours sequence ( Fig. 1B ). This sequence has an apparent...
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Journal Article
Published: 01 January 2000
Journal of the Geological Society (2000) 157 (1): 15–26.
..., and that these orthogneisses were part of a felsic magmatic belt which extended along the Ollo de Sapo Domain of the Central Iberian Zone. This magmatic belt is interpreted to have been active during the Early Ordovician break‐up of the peri‐Gondwanan margin of the Iapetus Ocean. 20 03 1999 27 04 1998 © 2000...
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Journal Article
Journal: Economic Geology
Published: 01 May 2001
Economic Geology (2001) 96 (3): 477–507.
...F ig . 1. Simplified geologic map of the Heron Bay-Hemlo greenstone belt, showing the regional geologic setting of the Hemlo gold deposit. The area mapped in detail during this study is indicated (area of Fig. 2 ). Modified from Muir (1997) ; U-Pb zircon ages from Corfu and Muir (1989a...
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