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Prezentare - GeoEcoMar

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Diagrama Schumacher. Se pot urmari traseele presupuse, respectiv<br />

calculate ale traseului metamorfismului prograd – mai intai faciesul sisturilor<br />

albastre cu lawsonit (1), apoi cu epidot (2) si dupa A – traseul retrograd, mai<br />

intai tot in cadrul sisturilor albastre (3), apoi in faciesul sisturilor verzi (4). Linia<br />

care trece pron punctul A reprezinta zona de stabilitate a asociatiei glaucofan +<br />

aragonit. Totul in functie de anumite continuturi de CO2 in fluidele<br />

metamorfice.<br />

79

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