1984
DOI: 10.1139/e84-005
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Alteration, mineralization, and metamorphism in the area of the East South "C" ore zone, 24th level of the Dickenson mine, Red Lake, northwestern Ontario

Abstract: The area of the East South "C" (ESC) orebody of the Dickenson mine, Red Lake, consists of variably altered and mineralized basalt, basaltic volcaniclastic rocks, minor sulphidic iron formation, and a series of mainly postdeformation dykes. Except for the dykes, the rocks are in general well foliated. The macroscopic structural geometry of the stratiform rocks has been determined to a large extent by movement on schistosity-parallel faults.Three broad types of mineralization or alteration are recognized: an Na… Show more

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Cited by 18 publications
(10 citation statements)
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“…Hallberg (1985) used plots of Ti02 versus Zr and Cr to conclude that the altered rocks at Mount Leonora were derived from mafic and ultramafic rocks or sedimentary rocks derived exclusively from mafic-ultramafic sources. Mathieson and Hodgson (1984) describe premetamorphic alteration of mafic volcanic rocks that permitted the formation of a suite of high-alumina minerals that aluminosilicates plus quartz. Although these rocks contain abundant high-alumina minerals, the aluminum content in these rocks is not unusually high, and it does not appear that there had been any significant transport of aluminum either into or out of the rocks that were altered.…”
Section: Discussionmentioning
confidence: 99%
“…Hallberg (1985) used plots of Ti02 versus Zr and Cr to conclude that the altered rocks at Mount Leonora were derived from mafic and ultramafic rocks or sedimentary rocks derived exclusively from mafic-ultramafic sources. Mathieson and Hodgson (1984) describe premetamorphic alteration of mafic volcanic rocks that permitted the formation of a suite of high-alumina minerals that aluminosilicates plus quartz. Although these rocks contain abundant high-alumina minerals, the aluminum content in these rocks is not unusually high, and it does not appear that there had been any significant transport of aluminum either into or out of the rocks that were altered.…”
Section: Discussionmentioning
confidence: 99%
“…Cependant, des études récentes ont démontré que ces gisements peuvent se former à des profondeurs crustales différentes (Colvine et al, 1989;Groves, 1993;Groves et al, 1998 Un autre point qui peut compliquer la classification d'un gisement est la présence de plus d'un événement de minéralisation. Cette superposition peut être présente à l'échelle du district (Hodgson, 1993) comme à l'échelle d'un gisement (Mathieson et Hodgson, 1984;Tourigny et al, 1989;Yeats et Groves, 1998 Le modèle le plus adéquat pour expliquer la formation des dépôts aurifères reliés à des intrusions fait appel à des processus magmatiques-hydrothermaux où l'or est issu d'intrusions chronologiquement et génétiquement associées à la minéralisation aurifère (Sillitoe, 1991;Hedenquist et Lowenstern, 1994;Kirkham et Sinclair, 1996; McCoy et al, 1998;Rowins, 2000 Cu-Au-(Mo-W)…”
Section: Niveau Crustal Et Nomenclatureunclassified
“…Donc, à l'échelle d'un gisement ou d'un district, il est possible de retrouver des minéralisations synvolcaniques recoupées par des minéralisations syn-à tardi-déformation. Le gisement de Campbell-Red Lake (Mathieson et Hodgson, 1984;Penczak et Mason, 1997) et celui de Bousquet (Tourigny et al, 1989) en sont des exemples.…”
Section: Minéralisation Aurifère Et Chronologie Des éVénements Géologunclassified
See 1 more Smart Citation
“…Penczak andMason (1997, 1999) and Damer (1997) proposed a premetamorphic lowsulfidation epithermal origin, whereas other workers have proposed a synmetamorphic-syntectonic origin (Rigg and Helmsteadt, 1981;Mathieson and Hodgson, 1984;Andrews et al, 1986;Christie, 1986;Rogers, 1992;Zhang et al, 1997;Tarnocai, 2000;Dubé et al, 2001aDubé et al, , 2002Dubé et al, , 2003Twomey and McGibbon, 2001;M. Penczak andMason (1997, 1999) and Damer (1997) proposed a premetamorphic lowsulfidation epithermal origin, whereas other workers have proposed a synmetamorphic-syntectonic origin (Rigg and Helmsteadt, 1981;Mathieson and Hodgson, 1984;Andrews et al, 1986;Christie, 1986;Rogers, 1992;Zhang et al, 1997;Tarnocai, 2000;Dubé et al, 2001aDubé et al, , 2002Dubé et al, , 2003Twomey and McGibbon, 2001;M.…”
Section: Introductionmentioning
confidence: 99%