Learning Outcomes
• Understanding the basic concepts of Metamorphic Petrology.
• Understanding the formation and genesis of metamorphic rocks.
• Learning the types of metamorphic rocks, their chemical composition and their mineral assemblages.
• Learning how to identify metamorphic rocks in the field.
• Learning how to identify metamorphic rocks under the microscope.
• Understanding the relationship between metamorphic rocks and tectonics.
Course Content (Syllabus)
1) INTRODUCTION: Definition of metamorphic rocks. Principal metamorphic modifications. General aspects of metamorphic rocks. Chemical composition classes of metamorphic rocks. Factors of metamorphism.
2) CONTACT METAMORPHISM: Definition of contact metamorphism. Factors that control the width of the contact aureole. Structures of metamorphic rocks. Rock types and mineral assemblages of metamorphic rocks.
3) REGIONAL OR OROGENIC METAMORPHISM: Definition of orogenic metamorphism. Prograde and retrograde metamorphism. Metamorphic fabrics. Structures of orogenic metamorphic rocks. Relationship between metamorphism and deformation. Pretectonic-syntectonic-posttectonic crystallization. Polymetamorphism.
4) CLASSIFICATION OF METAMORPHIC ROCKS: Macroscopic, structural and mineralogical characteristics of metamorphic rocks.
5) MINERAL ASSEMBLAGES OF METAMORPHIC ROCKS: Chemically equivalent assemblages. Compositional diagrams.
6) CHARACTERISTICS OF OROGENIC METAMORPHISM: Mineral zones and index minerals. Geothermal gradient. Isograds. Metamorphic facies. Reaction isograds. Petrogenetic grids.
7) MINERAL ASSEMBLAGES IN OROGENIC METAMORPHISM: Orogenic metamorphism of pelites, calcareous pelites and argillaceous carbonates, mafic, ultramafic and siliceous carbonates. Petrogenetic significance of aluminosilicate minerals. Sillimanite isograds.
8) GEOTECTONIC SETTING OF OROGENIC METAMORPHISM: Orogenic belts. Continental collision zones. Metamorphism at active continental margins. Metamorphism at subduction zones. Metamorphism at extensional zones. Migmatites. Ocean-floor metamorphism. Burial metamorphism. Dynamic metamorphism.
9) CONDITIONS OF METAMORPHISM: Low and high temperature and pressure limits of metamorphism.
10) METAMORPHIC REACTIONS: Principles of metamorphic reactions. Metamorphic processes.
11) MICROSCOPIC CHARACTERISTICS OF METAMORPHIC REACTIONS: Porphyroblast development. Recrystallization and annealing. Criteria of equilibrium.
Keywords
Metamorphic rocks, metamorphic facies, annealing, metamorphic transformations
Course Bibliography (Eudoxus)
1Α. "ΕΙΣΑΓΩΓΗ ΣΤΗΝ ΠΕΤΡΟΛΟΓΙΑ ΤΩΝ ΜΕΤΑΜΟΡΦΩΜΕΝΩΝ ΠΕΤΡΩΜΑΤΩΝ", ΔΗΜΗΤΡΙΑΔΗΣ ΣΑΡΑΝΤΗΣ, ΕΚΔΟΣΕΙΣ ΓΙΑΧΟΥΔΗ, ΘΕΣΣΑΛΟΝΙΚΗ, 1988.
2."ΠΕΤΡΟΛΟΓΙΑ ΜΕΤΑΜΟΡΦΩΜΕΝΩΝ ΠΕΤΡΩΜΑΤΩΝ - ΘΕΡΜΟΔΥΝΑΜΙΚΕΣ ΚΑΙ ΘΕΡΜΟΜΗΧΑΝΙΚΕΣ ΔΙΕΡΓΑΣΙΕΣ", ΚΩΣΤΟΠΟΥΛΟΣ ΔΗΜΗΤΡΙΟΣ, ΕΚΔΟΣΕΙΣ ΝΕΟΝ, ΑΘΗΝΑ, 2019.