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Εκλογίτες: Συνθήκες – Παραγενέσεις-Γεωτεκτονικό Περιβάλλον- Εμφανίσεις Στον Ελληνικό Χώρο = Eclogites: Conditions-Mineral Assemblages-Geotectonic Setting-Occurrences In Greece
Περίληψη
Λέξεις κλειδιά: βασικό πέτρωμα, συνθήκες υψηλής πίεσης, τύποι εκλογιτών, αντικατάσταση ανορθίτη, βασικές αντιδράσεις αφυδάτωσης, εκλογίτες μεσοωκεάνιων ράχεων (MORB), Allalin γάββρος, ενότητα Ερμούπολης, οφιολιθικό mélange, παλαιότερη μεταμορφική φάση, όρος Δύσωρο.
Eclogites are metamorphic rocks that derive from mafic igneous rocks. They are very dense and so they are related to very high-P conditions of formation. Based on temperature of formation eclogites can be distinguished into three types: a) low temperature, b) middle temperature and c) high temperature. Eclogites in Greece occur in the island of Syros, in the Rhodope massif and in the area of mount Dysoro.
Keywords: basic rock, high-pressure conditions, types of eclogites, Anorthite replacement , basic dehydration reactions, MORB eclogites, Allalin gabbro, Ermoupolis unit, ophiolitic mélange, older metamorphic phase, mount Dysoro.
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