{"id":{"repo_id":"greece","oai_identifier":"oai:10442/0532"},"canonical_url":"https://search.dev.ndltd.org/etd/greece/oai:10442/0532","repository":{"repo_id":"greece","name":"Greek National Archive of PhD Theses","base_url":"https://phdtheses.ekt.gr/eadd_oai/request"},"display":{"title":"ΜΕΤΑΛΛΟΓΕΝΕΣΗ ΣΥΜΠΑΓΩΝ ΘΕΙΟΥΧΩΝ ΜΕΤΑΛΛΕΥΜΑΤΩΝ ΚΑΙ ΠΕΤΡΟΛΟΓΙΑ ΤΗΣ ΕΞΩΤΕΡΙΚΗΣ ΜΕΤΑΜΟΡΦΙΚΗΣ ΤΕΚΤΟΝΙΚΗΣ ΖΩΝΗΣ ΤΩΝ ΕΛΛΗΝΙΔΩΝ (Ν.Α. ΠΕΛΟΠΟΝΝΗΣΟΣ)","abstract":"CONSIDERATION OF THE GEOLOGICAL, MINERALOGICAL, GEOCHEMICAL AND STRATIGRAPHIC CHARACTERISTICS OF THE STUDIED SEGMENT OF THE EXTERNAL METAMORPHIC BELT OF THEHELLENIDES IN SE PELOPONNESUS, LEAD TO THE FOLLOWING CONCLUSIONS: 1. THE ROCKS OF THE \"TYROS BEDS\" HAVE SUFFERED A VERY LOW GRADE METAMORPHISM. THE TEMPERATURE OF METAMORPHISM IS ESTIMATED TO HAVE BEEN ABOUT 320-350 C AND THE PRESSURE ABOUT 2 KB. 2. THE VOLCANIC ROCKS OF THE \"TYROS BEDS\" ARE CALC-ALKALINE AND RANGE FROM BASALTIC ANDESITES TO ANDESITES. THEY ARE PRODUCTS OF VOLCANISM CLOSELY RELATED TO A SUBDUCTION ZONE. THE PYROCLASTICS ARE WIDESPEAD WHEREAS THELAVAS-OFTEN PORPHYRITIC-ARE NOT. 3. THE VOLCANIC ROCKS OF THE \"TYROS BEDS\" WERE HYDROTHERMALLY ALTERED DURING THE VOLCANISM. THIS ALTERATION WAS SIMILAR TOTHAT OF HYDROTHERMAL TERRAINS AT SITES OF SUBMARINE VOLCANISM, WHICH IS A RESULT OF THE INTERACTION BETWEEN SEA WATER AND VOLCANIC ROCK. 4. THE ORE OCCURRENCES IN THE STUDIED AREA, HOSTED IN THE \"TYROS BEDS\", CAN BE DIVIDED ACCORDINGTO THEIR MINERALOGY, MODE OF OCCURRENCE AND TYPE OF ENVELOPING ROCKS INTO TWOMAIN GROUPS: THE FIRST GROUP INCLUDES PB-ZN-FE-CU SULFIDE ASSEMBLAGES IN VOLCANIC ROCKS AND IS CONSIDERED TO BE OF EPIGENETIC ORIGIN. THE SECOND GROUP INCLUDES GALENA AND BARITE IN CARBONATE ROCKS. THE FIRST GROUP CAN BE FURTHER SUBDIVIDED INTO TWO MORPHOLOGICAL TYPES: THE FIRST INCLUDES DISSEMINATED CU WITH MINOR FE SULFIDE ASSEMBLAGES IN PORPHYRITIC VOLCANIC ROCKS, WHEREAS THE SECONDTYPE INCLUDES PB-ZN-FE- CU SULFIDE ASSEMBLAGES IN STOCKWORK FORM SPATIALLY RELATED TO QUARTZ- CHLORITE-SERICITE ALTERED BRECCIAS. (SHORTENED)","abstract_html":"CONSIDERATION OF THE GEOLOGICAL, MINERALOGICAL, GEOCHEMICAL AND STRATIGRAPHIC CHARACTERISTICS OF THE STUDIED SEGMENT OF THE EXTERNAL METAMORPHIC BELT OF THEHELLENIDES IN SE PELOPONNESUS, LEAD TO THE FOLLOWING CONCLUSIONS: 1. THE ROCKS OF THE "TYROS BEDS" HAVE SUFFERED A VERY LOW GRADE METAMORPHISM. THE TEMPERATURE OF METAMORPHISM IS ESTIMATED TO HAVE BEEN ABOUT 320-350 C AND THE PRESSURE ABOUT 2 KB. 2. THE VOLCANIC ROCKS OF THE "TYROS BEDS" ARE CALC-ALKALINE AND RANGE FROM BASALTIC ANDESITES TO ANDESITES. THEY ARE PRODUCTS OF VOLCANISM CLOSELY RELATED TO A SUBDUCTION ZONE. THE PYROCLASTICS ARE WIDESPEAD WHEREAS THELAVAS-OFTEN PORPHYRITIC-ARE NOT. 3. THE VOLCANIC ROCKS OF THE "TYROS BEDS" WERE HYDROTHERMALLY ALTERED DURING THE VOLCANISM. THIS ALTERATION WAS SIMILAR TOTHAT OF HYDROTHERMAL TERRAINS AT SITES OF SUBMARINE VOLCANISM, WHICH IS A RESULT OF THE INTERACTION BETWEEN SEA WATER AND VOLCANIC ROCK. 4. THE ORE OCCURRENCES IN THE STUDIED AREA, HOSTED IN THE "TYROS BEDS", CAN BE DIVIDED ACCORDINGTO THEIR MINERALOGY, MODE OF OCCURRENCE AND TYPE OF ENVELOPING ROCKS INTO TWOMAIN GROUPS: THE FIRST GROUP INCLUDES PB-ZN-FE-CU SULFIDE ASSEMBLAGES IN VOLCANIC ROCKS AND IS CONSIDERED TO BE OF EPIGENETIC ORIGIN. THE SECOND GROUP INCLUDES GALENA AND BARITE IN CARBONATE ROCKS. THE FIRST GROUP CAN BE FURTHER SUBDIVIDED INTO TWO MORPHOLOGICAL TYPES: THE FIRST INCLUDES DISSEMINATED CU WITH MINOR FE SULFIDE ASSEMBLAGES IN PORPHYRITIC VOLCANIC ROCKS, WHEREAS THE SECONDTYPE INCLUDES PB-ZN-FE- CU SULFIDE ASSEMBLAGES IN STOCKWORK FORM SPATIALLY RELATED TO QUARTZ- CHLORITE-SERICITE ALTERED BRECCIAS. (SHORTENED)","abstract_has_math":false,"creators":["Skarpelis, Nikolaos","Σκαρπέλης, Νίκος"],"institution":"National and Kapodistrian University of Athens","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1983,"date_issued":"1983","date_published":"1983","updated_at":"2026-07-24T02:25:17Z","subjects":["Γεωλογία","ΗΦΑΙΣΤΙΤΕΣ","ΚΥΑΝΟΣΧΙΣΤΟΛΙΘΟΙ","Μεταλλογένεση","Πετρολογία","Blueschists","Geochemistry","Geology","METALLOGENY","Petrology"],"languages":["gre"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/0532"],"render_values":[{"text":"10.12681/eadd/0532","href":"https://doi.org/10.12681/eadd/0532","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10442/hedi/0532","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Skarpelis, Nikolaos","Σκαρπέλης, Νίκος"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1983"]},{"key":"dc:publisher","label":"Institution","values":["National and Kapodistrian University of Athens","Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ)"]},{"key":"dc:type","label":"Dc Type","values":["PhD Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Γεωλογία","ΗΦΑΙΣΤΙΤΕΣ","ΚΥΑΝΟΣΧΙΣΤΟΛΙΘΟΙ","Μεταλλογένεση","Πετρολογία","Blueschists","Geochemistry","Geology","METALLOGENY","Petrology"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["gre"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/0532","http://hdl.handle.net/10442/hedi/0532"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["CONSIDERATION OF THE GEOLOGICAL, MINERALOGICAL, GEOCHEMICAL AND STRATIGRAPHIC CHARACTERISTICS OF THE STUDIED SEGMENT OF THE EXTERNAL METAMORPHIC BELT OF THEHELLENIDES IN SE PELOPONNESUS, LEAD TO THE FOLLOWING CONCLUSIONS: 1. THE ROCKS OF THE \"TYROS BEDS\" HAVE SUFFERED A VERY LOW GRADE METAMORPHISM. THE TEMPERATURE OF METAMORPHISM IS ESTIMATED TO HAVE BEEN ABOUT 320-350 C AND THE PRESSURE ABOUT 2 KB. 2. THE VOLCANIC ROCKS OF THE \"TYROS BEDS\" ARE CALC-ALKALINE AND RANGE FROM BASALTIC ANDESITES TO ANDESITES. THEY ARE PRODUCTS OF VOLCANISM CLOSELY RELATED TO A SUBDUCTION ZONE. THE PYROCLASTICS ARE WIDESPEAD WHEREAS THELAVAS-OFTEN PORPHYRITIC-ARE NOT. 3. THE VOLCANIC ROCKS OF THE \"TYROS BEDS\" WERE HYDROTHERMALLY ALTERED DURING THE VOLCANISM. THIS ALTERATION WAS SIMILAR TOTHAT OF HYDROTHERMAL TERRAINS AT SITES OF SUBMARINE VOLCANISM, WHICH IS A RESULT OF THE INTERACTION BETWEEN SEA WATER AND VOLCANIC ROCK. 4. THE ORE OCCURRENCES IN THE STUDIED AREA, HOSTED IN THE \"TYROS BEDS\", CAN BE DIVIDED ACCORDINGTO THEIR MINERALOGY, MODE OF OCCURRENCE AND TYPE OF ENVELOPING ROCKS INTO TWOMAIN GROUPS: THE FIRST GROUP INCLUDES PB-ZN-FE-CU SULFIDE ASSEMBLAGES IN VOLCANIC ROCKS AND IS CONSIDERED TO BE OF EPIGENETIC ORIGIN. THE SECOND GROUP INCLUDES GALENA AND BARITE IN CARBONATE ROCKS. THE FIRST GROUP CAN BE FURTHER SUBDIVIDED INTO TWO MORPHOLOGICAL TYPES: THE FIRST INCLUDES DISSEMINATED CU WITH MINOR FE SULFIDE ASSEMBLAGES IN PORPHYRITIC VOLCANIC ROCKS, WHEREAS THE SECONDTYPE INCLUDES PB-ZN-FE- CU SULFIDE ASSEMBLAGES IN STOCKWORK FORM SPATIALLY RELATED TO QUARTZ- CHLORITE-SERICITE ALTERED BRECCIAS. (SHORTENED)","ΤΑ ΚΥΡΙΑ ΣΥΜΠΕΡΑΣΜΑΤΑ, ΠΟΥ ΠΡΟΕΚΥΨΑΝ ΑΠΟ ΤΗΝ ΠΕΤΡΟΛΟΓΙΚΗ ΚΑΙ ΜΕΤΑΛΛΟΓΕΝΕΤΙΚΗ ΜΕΛΕΤΗ ΣΕ ΤΜΗΜΑ ΤΗΣ ΕΞΩΤΕΡΙΚΗΣ ΜΕΤΑΜΟΡΦΙΚΗΣ ΖΩΝΗΣ ΤΩΝ ΕΛΛΗΝΙΔΩΝ ΣΤΗΝ ΝΑ ΠΕΛΟΠΟΝΝΗΣΟ, ΣΥΝΟΨΙΖΟΝΤΑΙ ΣΤΑ ΕΞΗΣ: 1. ΤΑ \"ΣΤΡΩΜΑΤΑ ΤΥΡΟΥ\" ΠΟΥ ΘΕΩΡΟΥΝΤΑΙ ΥΠΟΒΑΘΡΟ ΤΗΣ ΕΝΟΤΗΤΑΣ ΤΡΙΠΟΛΕΩΣ, ΕΧΟΥΝ ΥΠΟΣΤΕΙ ΓΕΝΙΚΗ ΜΕΤΑΜΟΡΦΩΣΗ ΠΟΛΥ ΧΑΜΗΛΟΥ ΒΑΘΜΟΥ (VERY LOW GRADE). Η ΘΕΡΜΟΚΡΑΣΙΑ ΜΕΤΑΜΟΡΦΩΣΗΣ ΕΚΤΙΜΑΤΑΙ ΟΤΙ ΗΤΑΝ ΠΕΡΙ ΤΟΥΣ 320-350C ΚΑΙ Η ΠΙΕΣΗ ΠΕΡΙ ΤΑ 2 KB. 2. ΟΙ ΗΦΑΙΣΤΙΤΕΣ ΤΩΝ \"ΣΤΡΩΜΑΤΩΝ ΤΥΡΟΥ\" ΕΧΟΥΝ ΑΣΒΕΣΤΑΛΚΑΛΙΚΑ ΧΑΡΑΚΤΗΡΙΣΤΙΚΑ ΚΑΙ ΕΙΝΑΙ ΟΡΟΓΕΝΕΤΙΚΟΙ ΑΝΔΕΣΙΤΕΣ ΕΩΣ ΒΑΣΑΛΤΑΝΔΕΣΙΤΕΣ, ΑΠΟΤΕΛΕΣΜΑ ΜΙΑΣ ΑΣΒΕΣΤΑΛΚΑΛΙΚΗΣ ΗΦΑΙΣΤΕΙΟΤΗΤΑΣ ΣΤΟ ΧΩΡΟ ΜΙΑΣ ΖΩΝΗΣ ΚΑΤΑΒΥΘΙΣΗΣ. ΠΥΡΟΚΛΑΣΤΙΚΑ ΑΝΑΠΤΥΣΣΟΝΤΑΙ ΣΕ ΜΕΓΑΛΗ ΕΚΤΑΣΗ, ΕΝΩ ΟΙ ΛΑΒΕΣ, ΣΥΧΝΑ ΠΟΡΦΥΡΙΤΙΚΕΣ, ΕΧΟΥΝ ΜΙΚΡΟΤΕΡΗ ΑΝΑΠΤΥΞΗ. 3. ΚΑΤΑ ΤΟ ΣΤΑΔΙΟ ΤΗΣ ΗΦΑΙΣΤΕΙΟΤΗΤΑΣ ΣΥΝΕΒΗ ΥΔΡΟΘΕΡΜΙΚΗ ΕΞΑΛΛΟΙΩΣΗ ΤΩΝ ΗΦΑΙΣΤΙΤΩΝ, ΑΝΑΛΟΓΗ ΜΕ ΤΗΝ ΕΞΑΛΛΟΙΩΣΗ ΠΟΥ ΠΑΡΑΤΗΡΕΙΤΑΙ ΣΕ ΣΥΓΧΡΟΝΑ ΓΕΩΘΕΡΜΙΚΑ ΠΕΔΙΑ ΣΕ ΘΕΣΕΙΣ ΥΠΟΘΑΛΑΣΣΙΑΣ ΗΦΑΙΣΤΕΙΟΤΗΤΑΣ, ΣΑΝ ΑΠΟΤΕΛΕΣΜΑ ΑΛΛΗΛΕΠΙΔΡΑΣΗΣ ΘΑΛΑΣΣΙΝΟΥ ΝΕΡΟΥ ΜΕ ΤΟ ΗΦΑΙΣΤΕΙΑΚΟ ΠΕΤΡΩΜΑ. 4. Η ΜΕΤΑΛΛΟΦΟΡΙΑ ΔΙΑΣΠΑΡΤΩΝ ΘΕΙΟΥΧΩΝ CU(-FE) ΚΑΙ STOCKWORK ΘΕΙΟΥΧΩΝ PB-ZN- FE-CU, ΑΝΑΠΤΥΣΣΕΤΑΙ ΜΕΣΑ ΣΕ ΗΦΑΙΣΤΕΙΑΚΑ ΠΕΤΡΩΜΑΤΑ, ΕΝΩ Η ΣΤΡΩΜΑΤΟΕΙΔΗΣ ΜΕΤΑΛΛΟΦΟΡΙΑ ΓΑΛΗΝΙΤΗ-ΒΑΡΙΤΗ ΑΝΩ ΤΥΡΟΥ ΦΙΛΟΞΕΝΕΙΤΑΙ ΣΕ ΑΝΘΡΑΚΙΚΟ ΠΕΤΡΩΜΑ. ΤΟ ΜΕΤΑΛΛΕΥΜΑ ΘΕΙΟΥΧΩΝ PB-ZN-FE-CU - ΑΠΟ ΤΑ ΥΠΑΡΧΟΝΤΑ ΔΕΔΟΜΕΝΑ - ΦΑΙΝΕΤΑΙ ΟΤΙ ΕΙΝΑΙ ΕΠΙΓΕΝΕΤΙΚΟ ΚΑΙ ΣΥΝΔΕΕΤΑΙ ΓΕΝΕΤΙΚΑ ΜΕ ΕΞΑΛΛΟΙΩΣΗ \"ΧΑΛΑΖΙΑΚΟΥ-ΧΛΩΡΙΤΙΚΟΥ-ΣΕΡΙΚΙΤΙΚΟΥ\" ΤΥΠΟΥ ΗΦΑΙΣΤΕΙΑΚΩΝ ΤΟΦΦΩΝ. Η ΥΠΑΡΞΗ ΔΥΟ ΔΙΑΦΟΡΕΤΙΚΩΝ ΤΥΠΩΝ ΜΕΤΑΛΛΟΦΟΡΙΑΣ, ΑΦΕΝΟΣ ΔΙΑΣΠΑΡΤΩΝ ΘΕΙΟΥΧΩΝ CU(-FE) ΚΑΙ ΑΦΕΤΕΡΟΥ STOCKWORK PB-ZN-FE-CU, ΑΠΟΔΙΔΕΤΑΙ ΣΤΗ ΔΙΑΦΟΡΕΤΙΚΗ ΔΙΑΛΥΤΟΤΗΤΑ CU-FE ΚΑΙ PB-ZN ΣΕ ΘΕΡΜΑ ΧΛΩΡΙΟΥΧΑ ΔΙΑΛΥΜΑΤΑ ΚΑΙ ΣΤΗ ΜΙΚΡΗ ΑΝΑΛΟΓΙΑ ΝΕΡΟΥ/ΠΕΤΡΩΜΑΤΟΣ, ΠΟΥ ΥΠΑΡΧΕΙ ΣΕ ΒΑΘΥΤΕΡΟΥΣ ΟΡΙΖΟΝΤΕΣ ΤΟΥ ΗΦΑΙΣΤΕΙΑΚΟΥ ΣΧΗΜΑΤΙΣΜΟΥ. (ΠΕΡΙΚΟΠΗ)"]},{"key":"dc:title","label":"Title","values":["ΜΕΤΑΛΛΟΓΕΝΕΣΗ ΣΥΜΠΑΓΩΝ ΘΕΙΟΥΧΩΝ ΜΕΤΑΛΛΕΥΜΑΤΩΝ ΚΑΙ ΠΕΤΡΟΛΟΓΙΑ ΤΗΣ ΕΞΩΤΕΡΙΚΗΣ ΜΕΤΑΜΟΡΦΙΚΗΣ ΤΕΚΤΟΝΙΚΗΣ ΖΩΝΗΣ ΤΩΝ ΕΛΛΗΝΙΔΩΝ (Ν.Α. ΠΕΛΟΠΟΝΝΗΣΟΣ)","METALLOGENY OF MASSIVE SULFIDES AND PETROLOGY OF THE EXTERNAL METAMORPHIC BELT OF THE HELLENIDES (S.E. PELOPONNESUS)"]}]}],"canonical_facts":{"dc:creator":["Skarpelis, Nikolaos","Σκαρπέλης, Νίκος"],"dc:date":["1983"],"dc:description":["CONSIDERATION OF THE GEOLOGICAL, MINERALOGICAL, GEOCHEMICAL AND STRATIGRAPHIC CHARACTERISTICS OF THE STUDIED SEGMENT OF THE EXTERNAL METAMORPHIC BELT OF THEHELLENIDES IN SE PELOPONNESUS, LEAD TO THE FOLLOWING CONCLUSIONS: 1. THE ROCKS OF THE \"TYROS BEDS\" HAVE SUFFERED A VERY LOW GRADE METAMORPHISM. THE TEMPERATURE OF METAMORPHISM IS ESTIMATED TO HAVE BEEN ABOUT 320-350 C AND THE PRESSURE ABOUT 2 KB. 2. THE VOLCANIC ROCKS OF THE \"TYROS BEDS\" ARE CALC-ALKALINE AND RANGE FROM BASALTIC ANDESITES TO ANDESITES. THEY ARE PRODUCTS OF VOLCANISM CLOSELY RELATED TO A SUBDUCTION ZONE. THE PYROCLASTICS ARE WIDESPEAD WHEREAS THELAVAS-OFTEN PORPHYRITIC-ARE NOT. 3. THE VOLCANIC ROCKS OF THE \"TYROS BEDS\" WERE HYDROTHERMALLY ALTERED DURING THE VOLCANISM. THIS ALTERATION WAS SIMILAR TOTHAT OF HYDROTHERMAL TERRAINS AT SITES OF SUBMARINE VOLCANISM, WHICH IS A RESULT OF THE INTERACTION BETWEEN SEA WATER AND VOLCANIC ROCK. 4. THE ORE OCCURRENCES IN THE STUDIED AREA, HOSTED IN THE \"TYROS BEDS\", CAN BE DIVIDED ACCORDINGTO THEIR MINERALOGY, MODE OF OCCURRENCE AND TYPE OF ENVELOPING ROCKS INTO TWOMAIN GROUPS: THE FIRST GROUP INCLUDES PB-ZN-FE-CU SULFIDE ASSEMBLAGES IN VOLCANIC ROCKS AND IS CONSIDERED TO BE OF EPIGENETIC ORIGIN. THE SECOND GROUP INCLUDES GALENA AND BARITE IN CARBONATE ROCKS. THE FIRST GROUP CAN BE FURTHER SUBDIVIDED INTO TWO MORPHOLOGICAL TYPES: THE FIRST INCLUDES DISSEMINATED CU WITH MINOR FE SULFIDE ASSEMBLAGES IN PORPHYRITIC VOLCANIC ROCKS, WHEREAS THE SECONDTYPE INCLUDES PB-ZN-FE- CU SULFIDE ASSEMBLAGES IN STOCKWORK FORM SPATIALLY RELATED TO QUARTZ- CHLORITE-SERICITE ALTERED BRECCIAS. (SHORTENED)","ΤΑ ΚΥΡΙΑ ΣΥΜΠΕΡΑΣΜΑΤΑ, ΠΟΥ ΠΡΟΕΚΥΨΑΝ ΑΠΟ ΤΗΝ ΠΕΤΡΟΛΟΓΙΚΗ ΚΑΙ ΜΕΤΑΛΛΟΓΕΝΕΤΙΚΗ ΜΕΛΕΤΗ ΣΕ ΤΜΗΜΑ ΤΗΣ ΕΞΩΤΕΡΙΚΗΣ ΜΕΤΑΜΟΡΦΙΚΗΣ ΖΩΝΗΣ ΤΩΝ ΕΛΛΗΝΙΔΩΝ ΣΤΗΝ ΝΑ ΠΕΛΟΠΟΝΝΗΣΟ, ΣΥΝΟΨΙΖΟΝΤΑΙ ΣΤΑ ΕΞΗΣ: 1. ΤΑ \"ΣΤΡΩΜΑΤΑ ΤΥΡΟΥ\" ΠΟΥ ΘΕΩΡΟΥΝΤΑΙ ΥΠΟΒΑΘΡΟ ΤΗΣ ΕΝΟΤΗΤΑΣ ΤΡΙΠΟΛΕΩΣ, ΕΧΟΥΝ ΥΠΟΣΤΕΙ ΓΕΝΙΚΗ ΜΕΤΑΜΟΡΦΩΣΗ ΠΟΛΥ ΧΑΜΗΛΟΥ ΒΑΘΜΟΥ (VERY LOW GRADE). Η ΘΕΡΜΟΚΡΑΣΙΑ ΜΕΤΑΜΟΡΦΩΣΗΣ ΕΚΤΙΜΑΤΑΙ ΟΤΙ ΗΤΑΝ ΠΕΡΙ ΤΟΥΣ 320-350C ΚΑΙ Η ΠΙΕΣΗ ΠΕΡΙ ΤΑ 2 KB. 2. ΟΙ ΗΦΑΙΣΤΙΤΕΣ ΤΩΝ \"ΣΤΡΩΜΑΤΩΝ ΤΥΡΟΥ\" ΕΧΟΥΝ ΑΣΒΕΣΤΑΛΚΑΛΙΚΑ ΧΑΡΑΚΤΗΡΙΣΤΙΚΑ ΚΑΙ ΕΙΝΑΙ ΟΡΟΓΕΝΕΤΙΚΟΙ ΑΝΔΕΣΙΤΕΣ ΕΩΣ ΒΑΣΑΛΤΑΝΔΕΣΙΤΕΣ, ΑΠΟΤΕΛΕΣΜΑ ΜΙΑΣ ΑΣΒΕΣΤΑΛΚΑΛΙΚΗΣ ΗΦΑΙΣΤΕΙΟΤΗΤΑΣ ΣΤΟ ΧΩΡΟ ΜΙΑΣ ΖΩΝΗΣ ΚΑΤΑΒΥΘΙΣΗΣ. ΠΥΡΟΚΛΑΣΤΙΚΑ ΑΝΑΠΤΥΣΣΟΝΤΑΙ ΣΕ ΜΕΓΑΛΗ ΕΚΤΑΣΗ, ΕΝΩ ΟΙ ΛΑΒΕΣ, ΣΥΧΝΑ ΠΟΡΦΥΡΙΤΙΚΕΣ, ΕΧΟΥΝ ΜΙΚΡΟΤΕΡΗ ΑΝΑΠΤΥΞΗ. 3. ΚΑΤΑ ΤΟ ΣΤΑΔΙΟ ΤΗΣ ΗΦΑΙΣΤΕΙΟΤΗΤΑΣ ΣΥΝΕΒΗ ΥΔΡΟΘΕΡΜΙΚΗ ΕΞΑΛΛΟΙΩΣΗ ΤΩΝ ΗΦΑΙΣΤΙΤΩΝ, ΑΝΑΛΟΓΗ ΜΕ ΤΗΝ ΕΞΑΛΛΟΙΩΣΗ ΠΟΥ ΠΑΡΑΤΗΡΕΙΤΑΙ ΣΕ ΣΥΓΧΡΟΝΑ ΓΕΩΘΕΡΜΙΚΑ ΠΕΔΙΑ ΣΕ ΘΕΣΕΙΣ ΥΠΟΘΑΛΑΣΣΙΑΣ ΗΦΑΙΣΤΕΙΟΤΗΤΑΣ, ΣΑΝ ΑΠΟΤΕΛΕΣΜΑ ΑΛΛΗΛΕΠΙΔΡΑΣΗΣ ΘΑΛΑΣΣΙΝΟΥ ΝΕΡΟΥ ΜΕ ΤΟ ΗΦΑΙΣΤΕΙΑΚΟ ΠΕΤΡΩΜΑ. 4. Η ΜΕΤΑΛΛΟΦΟΡΙΑ ΔΙΑΣΠΑΡΤΩΝ ΘΕΙΟΥΧΩΝ CU(-FE) ΚΑΙ STOCKWORK ΘΕΙΟΥΧΩΝ PB-ZN- FE-CU, ΑΝΑΠΤΥΣΣΕΤΑΙ ΜΕΣΑ ΣΕ ΗΦΑΙΣΤΕΙΑΚΑ ΠΕΤΡΩΜΑΤΑ, ΕΝΩ Η ΣΤΡΩΜΑΤΟΕΙΔΗΣ ΜΕΤΑΛΛΟΦΟΡΙΑ ΓΑΛΗΝΙΤΗ-ΒΑΡΙΤΗ ΑΝΩ ΤΥΡΟΥ ΦΙΛΟΞΕΝΕΙΤΑΙ ΣΕ ΑΝΘΡΑΚΙΚΟ ΠΕΤΡΩΜΑ. ΤΟ ΜΕΤΑΛΛΕΥΜΑ ΘΕΙΟΥΧΩΝ PB-ZN-FE-CU - ΑΠΟ ΤΑ ΥΠΑΡΧΟΝΤΑ ΔΕΔΟΜΕΝΑ - ΦΑΙΝΕΤΑΙ ΟΤΙ ΕΙΝΑΙ ΕΠΙΓΕΝΕΤΙΚΟ ΚΑΙ ΣΥΝΔΕΕΤΑΙ ΓΕΝΕΤΙΚΑ ΜΕ ΕΞΑΛΛΟΙΩΣΗ \"ΧΑΛΑΖΙΑΚΟΥ-ΧΛΩΡΙΤΙΚΟΥ-ΣΕΡΙΚΙΤΙΚΟΥ\" ΤΥΠΟΥ ΗΦΑΙΣΤΕΙΑΚΩΝ ΤΟΦΦΩΝ. Η ΥΠΑΡΞΗ ΔΥΟ ΔΙΑΦΟΡΕΤΙΚΩΝ ΤΥΠΩΝ ΜΕΤΑΛΛΟΦΟΡΙΑΣ, ΑΦΕΝΟΣ ΔΙΑΣΠΑΡΤΩΝ ΘΕΙΟΥΧΩΝ CU(-FE) ΚΑΙ ΑΦΕΤΕΡΟΥ STOCKWORK PB-ZN-FE-CU, ΑΠΟΔΙΔΕΤΑΙ ΣΤΗ ΔΙΑΦΟΡΕΤΙΚΗ ΔΙΑΛΥΤΟΤΗΤΑ CU-FE ΚΑΙ PB-ZN ΣΕ ΘΕΡΜΑ ΧΛΩΡΙΟΥΧΑ ΔΙΑΛΥΜΑΤΑ ΚΑΙ ΣΤΗ ΜΙΚΡΗ ΑΝΑΛΟΓΙΑ ΝΕΡΟΥ/ΠΕΤΡΩΜΑΤΟΣ, ΠΟΥ ΥΠΑΡΧΕΙ ΣΕ ΒΑΘΥΤΕΡΟΥΣ ΟΡΙΖΟΝΤΕΣ ΤΟΥ ΗΦΑΙΣΤΕΙΑΚΟΥ ΣΧΗΜΑΤΙΣΜΟΥ. (ΠΕΡΙΚΟΠΗ)"],"dc:identifier":["10.12681/eadd/0532","http://hdl.handle.net/10442/hedi/0532"],"dc:language":["gre"],"dc:publisher":["National and Kapodistrian University of Athens","Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ)"],"dc:subject":["Γεωλογία","ΗΦΑΙΣΤΙΤΕΣ","ΚΥΑΝΟΣΧΙΣΤΟΛΙΘΟΙ","Μεταλλογένεση","Πετρολογία","Blueschists","Geochemistry","Geology","METALLOGENY","Petrology"],"dc:title":["ΜΕΤΑΛΛΟΓΕΝΕΣΗ ΣΥΜΠΑΓΩΝ ΘΕΙΟΥΧΩΝ ΜΕΤΑΛΛΕΥΜΑΤΩΝ ΚΑΙ ΠΕΤΡΟΛΟΓΙΑ ΤΗΣ ΕΞΩΤΕΡΙΚΗΣ ΜΕΤΑΜΟΡΦΙΚΗΣ ΤΕΚΤΟΝΙΚΗΣ ΖΩΝΗΣ ΤΩΝ ΕΛΛΗΝΙΔΩΝ (Ν.Α. ΠΕΛΟΠΟΝΝΗΣΟΣ)","METALLOGENY OF MASSIVE SULFIDES AND PETROLOGY OF THE EXTERNAL METAMORPHIC BELT OF THE HELLENIDES (S.E. PELOPONNESUS)"],"dc:type":["PhD Thesis"]},"updated_at":"2026-07-24T02:25:17Z"}