1991
DOI: 10.1130/0091-7613(1991)019<0982:rmcoaa>2.3.co;2
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Regional metamorphic controls on alteration associated with gold mineralization in the Eastern Goldfields province, Western Australia: Implications for the timing and origin of Archean lode-gold deposits

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Cited by 58 publications
(27 citation statements)
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“…It must be pointed out that nowhere has the entire range of metamorphic/crustal environments been documented from a single greenstone belt. However, Witt (1991) has mapped metasomatic isograds, based on proximal alteration assemblages, that broadly parallel metamorphic grade variations in the Menzies-Kambalda area of the Norseman-Wiluna Belt, and Knight et al (1993) andMcCuaig et al (1993) present further evidence for broadly coincident metasomatic and metamorphic isograds from Coolgardie and Norseman, respectively, providing further support for a deposit continuum.…”
Section: Mid To Upper Crustal Deposit Continuummentioning
confidence: 91%
See 1 more Smart Citation
“…It must be pointed out that nowhere has the entire range of metamorphic/crustal environments been documented from a single greenstone belt. However, Witt (1991) has mapped metasomatic isograds, based on proximal alteration assemblages, that broadly parallel metamorphic grade variations in the Menzies-Kambalda area of the Norseman-Wiluna Belt, and Knight et al (1993) andMcCuaig et al (1993) present further evidence for broadly coincident metasomatic and metamorphic isograds from Coolgardie and Norseman, respectively, providing further support for a deposit continuum.…”
Section: Mid To Upper Crustal Deposit Continuummentioning
confidence: 91%
“…3) from ankerite/dolomitewhite mica-chlorite at the lowest metamorphic grades, through ankerite/dolomite-white micabiotite (phlogopite)-chlorite 5: albite, to amphibole -biotite-plagioclase and diopside-biotite-garnet 5: K-feldspar assemblages at the highest metamorphic grades (e.g. Witt 1991). The opaque mineral assemblages of the deposits show a sympathetic trend from S-rich assemblages of pyrite 5: arsenopyrite 5: pyrrhotite through typically pyrrhotite+ arsenopyrite to pyrrhotite 5: arsenopyrite 5: loellingite with increasing metamorphic grade (Fig.…”
Section: Crustal Depth Variationmentioning
confidence: 99%
“…syn-pic de métamorphisme dans les gisements encaissés dans des roches au faciès des amphibolites et des granulites (Barnicoat et al 1991;Witt, 1993;Knight et al 1993;Neumayr et al 1993;Smith, 1996;;…”
Section: Chronologie Relative Entre L'or Et Le Métamorphismeunclassified
“…Australie: Barnicoat et al, 1991;Chown et al, 1984;Mueller, 1991;Mueller et Groves, 1991;Phillips et De Nooy, 1988;Witt, 1991;e.g. Canada: Couture et Guha, 1990;Marmont, 1986;Harris, 1986;e.g.…”
Section: Mise En Garde/adviceunclassified
“…Pour le gisement du Lac Troïlus, le choix d'un modèle -que ce soit celui des systèmes porphyriques aurifères (Sillitoe, 1990) ou du modèle mésothermal amphibolitique (Barnicoat et al, 1991;Mueller, 1991;Witt, 1991)-réside dans l'identification des caractéristiques fondamentales et génétiques de celui-ci. Pour accroître les chances de réussite, cette démarche doit être entreprise le plus tôt possible dans le processus d'exploration.…”
Section: Mise En Garde/adviceunclassified