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Magnesiostaurolite, ideally A 4 BMg4 CAl16 D(Al2 2) TSi8 O40 X[(OH)2O6], occurs together with talc, clinochlore and kyanite (or alone, armouring corundum) as inclusions in pyrope megablasts from the ultra-high-pressure metamorphic terrane of the Dora-Maira massif, Italian Western Alps.
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Magnesiostaurolite - Wikipedia
La magnesiostaurolite è un minerale. Webmin Silicati
it.wikipedia.org/wiki/Magnesiostaurolite |
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Magnesiostaurolite and zincostaurolite: mineral description ... cal properties similar to those of magnesiostaurolite. Optically ...
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The prograde inclusions of magnesiostaurolite show a consistent Fe---Mg reversal with garnet, i.e. XMgSt < XMgGrt, which is interpreted as an equilibrium ...
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Fockenberg, 1995 ), and magnesiostaurolite (Fockenberg, 1998 ), or assemblages such as talc–kyanite, talc–phengite (Massonne & Schreyer, 1989 ), and pyrope–coesite (Chopin, 1984 ) provided important insights in improving understanding and quantification of the HP conditions sustained by Mg-rich pelites.
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The inclusions phase assemblages markedly noticed by quartz coesite, magnesite-quartz-talc, kyanite-paragonite-jadeite component in pyroxene, magnesiostaurolite-pyrope-kyanite, talc-staurolite-kyanite-pyrope, coesite -dolomite-diopside, coesite-magnesite-enstatite etc.
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... talc, magnesiostaurolite and rare corundum or spinel. We present evidence that these assemblages developed from cracks running across the megablasts, ...
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Titre du document / Document title. Magnesiostaurolite and zincostaurolite: mineral description with a petrogenetic and crystal-chemical update ...
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Chopin C , Goffe B , Ungaretti L , Oberti R , European Journal of Mineralogy , 15 (2003) p.167-176, Magnesiostaurolite and zincostaurolite: mineral ...
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magnesiochloritoid magnesiostaurolite in addition to the phases mentioned above. ... moured in magnesiostaurolite) and nearly pure magnesiochloritoid. ...
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