Περιγραφή ερευνητικών γεωτρήσεων και χημική σύσταση μεταλλεύματος του κοιτάσματος χρωμίτη στο Ριζό Γρεβενών = Description of the exploration drillings and the chemical composition of the Chromite deposite at Rizo Grevena, NW Greece.

Ελένη Κ. Κοντάνη


Στην παρούσα διπλωματική εργασία παρουσιάζονται στοιχεία από την ερευνητική δραστηριότητα της εταιρείας «ΕΛΛΗΜΕΤ ΕΛΛΗΝΙΚΑ ΜΕΤΑΛΛΕΙΑ Α.Ε.» που περιλαμβάνει περιγραφές κάποιων ερευνητικών γεωτρήσεων και χημικών αναλύσεων από αντιπροσωπευτικά δείγματα μεταλλοφορίας της θέσης Ριζό Γρεβενών του όρους Βούρινου. Οι χημικές αναλύσεις αφορούν αντιπροσωπευτικά δείγματα κάθε τύπου μεταλλοφορίας, όπως επίσης και των τυπικών σχηματισμών που συναντώνται στην θέση αυτή. Τα δείγματα ελήφθησαν κατά τη διάρκεια της γεωλογικής χαρτογράφησης από την Εταιρεία, σε επιλεγμένες εκλεκτικές θέσεις με βάση παλαιότερη χαρτογράφηση της περιοχής. Επιπλέον, αναλύθηκαν ακόμη δύο δείγματα των οποίων η δειγματοληψία έγινε κατά την διάρκεια της επιφανειακής εξόρυξης μεταλλεύματος στην θέση αυτή. Οι αναλύσεις των πρώτων δειγμάτων πραγματοποιήθηκαν σε εξωτερικό πιστοποιημένο εργαστήριο, και περιλαμβάνουν μετρήσεις για όλα τα στοιχεία και ιχνοστοιχεία του μεταλλεύματος. Ενώ τα δεύτερα αναλύθηκαν στο εργαστήριο της εταιρείας και επικεντρώνονται στην μέτρηση της περιεκτικότητας σε Cr2O3 (%). Από την περιγραφή των γεωτρήσεων προκύπτει ότι στην περιοχή κυριαρχεί ο χαρτσβουργίτης με στρώματα δουνίτη. Μέσα στον δουνίτη φιλοξενείται η μεταλλοφορία. Κύριος τύπος μεταλλοφορίας είναι σε ταινίες (Schlieren), διάσπαρτος, μερικές φορές συμπαγής, όπως επίσης κυρίως στον κεντρικό τομέα της θέσης αυτής υπάρχουν ίχνη λεοπαρδάλεως. Με βάση τις γεωτρήσεις που πραγματοποιήθηκαν σε διαφορετικά υψόμετρα με το υψηλότερο να ξεκινάει στα 767 μέτρα, η μεταλλοφορία αναπτύσσεται μεταξύ των 705 με 640 μέτρων, ενώ σε μεγαλύτερα βάθη δεν είναι γνωστό αν υπάρχει μεταλλοφορία λόγω έλλειψης δεδομένων. Η περιοχή διατρέχεται από ρήγματα διεύθυνσης Α-Δ με αποτέλεσμα οι σχηματισμοί να είναι αρκετά τεκτονισμένοι και εξαλλοιωμένοι. Από την χημική σύσταση του μεταλλεύματος προκύπτει ότι στην περιοχή επικρατεί μεγάλο ποσοστό MgO με εύρος από 15.47 έως 47.68% όπως επίσης και SiO2 (8.06-72.07%) ενώ η περιεκτικότητα του μεταλλεύματος σε Cr2O3 και Fe2O3 είναι κατά μέσο όρο 10% περίπου. Τέλος, μικρότερη περιεκτικότητα παρουσιάζεται στο Al2O3 ενώ η πυκνότητα του μεταλλεύματος κυμαίνεται σε ένα εύρος μεταξύ 3.11 και 4.24 gr/cm3.

This study focuses on the chromite deposit at Vourinos in Rizo of Grevena and the data obtained from the exploration drillings of the company “Hellenic Mines S.A”. The main goal was to describe the mineralization and the chemical composition of the ore at representative chromite samples. Chemical analyses were collected from the disseminated, the schlieren, the nodular and the massive chromite outcrops and from the altered and fresh dunites, hartzburgites and pyroxenites of the host rocks. Additional samples were collected during the company’s geological mapping and were analyzed at a certified lab in Finland for a large number of elements. Two more samples were collected from the surface mining site and the chemical analysis was perfomed at the laboratory of the company focusing only in Cr2O3.  The description of the drillings shows that hartzburgite is the dominant rock with layers of dunite. The chromite deposit is found in the dunite layers. The most common types of chromite are schlieren, disseminated and sometimes massive, whereas in the middle sector of the site, nodular type can be found. According to the drilling logging chromite can be found at a depth between 705 and 640 meter. However there are no data below this depth. In this area, there are many faults with a W-E direction which have affected the mineralization and the host rocks. The chemical composition of the deposit shows that the dominant components of the mineralization are the MgO which ranges between 15.47 to 47.68 wt%, and SiO2 (8.06-72.07 wt%). The average concentration of Cr2O3 and Fe2O3 is 10 wt%. The content of Al2O3 is low and the density of the chromite ore ranges from 3.11 to 4.24 gr/cm3.Abstract

Πλήρες Κείμενο:



Anonymous (1972) Penrose Field Conference on ophiolites. Geotimes 17: 24-25

Apostolidis G, Mastoris Κ and Vgenopoulos Α (1980) Exploration of the Xerolivado Chromite Deposits and their chemical, mineralogical and physical properties. In: An Intern. Symposium on Metallogeny of Mafic and Ultramafic Complexes. UNESCO, Athens

Aubouin J (1965) Geosynclines. Development in geotectonics 1. Elsevier, pp 335

Ayrton S (1968) Structures isoclinals dans les peridotites du Mont Vourinos (Macedoine Grecque) un exemple de deformation de roches ultrabasics. Bull. Suisse Minerol. Petrol., 48: 734-750

Barth MG and Gluhak TM (2009) Geochemistry and tectonic setting of mafic rocks from the Othris Ophiolite, Greece. Contrib Miner Petrol 157(1): 23-40

Barth MG, Mason, PRD, Davies GR and Drury MR (2008) The Othris Ophiolite, Greece: A snapshot of subduction initiation at a mid-ocean ridge. Lithos 100: 234-254

Baumgarnter PO (1985) Jurassic sedimentary evolution and nappe emplacement in the Argolis peninsula (Peloponessus, Greece). Mem Soc Helv Sci Nat 99: 111

Beccaluva L, Ohnenstetter D, Ohnenstetter M and Paupy A (1984) Two magmatic series with island arc affinities within the Vourinos ophiolite. Contrib Mineral Petrol 85: 253-271

Bortolloti V, Chiari M and Marcucci M (2004) Comparison among the Albanian and Greek ophiolites: in search of constraints for the evolution of the Mesozoic Tethys Ocean. Ofiol., 29: 19-35

Bortolotti V, Carras N, Chiari M, Fazzuoli M, Marcucci M, Photiades A and Principi G (2002) New geological observations and biostratigraphic data on the Argolis Peninsula: Palaeogeograpbic and geodynamic implications. Ofiol. 27(1): 43-46

Bortolotti V, Carras N, Chiari M, Fazzuoli M, Marcucci, M, Photiades A. and Principi G (2003) The Argolis peninsula in the paleogeographic and geodynamic frame of the Hellinides. Ofiol. 28(2): 79-94

Bortolotti V, Dalpiaz GV and Passerini P (1969) Ricerche sulle Ofiol. delle catene alpine 5. Nuove osservazioni sul massiccio del Vourinos (Grecia). Boll. Soc. Geol. Italiana, 88: 35-45

Bowen NL (1927) The Evolution of Igneous Rocks: Princeton University Press

Brongniart A (1813) Essai de classification minéralogique des roches mélanges: Journal des Mines, v. XXXIV:190-199

Brongniart A (1827) Classification et caractères minéralogiques des roches homogènes et hétérogènes. F.G. Levrault

Brunn JH (1956) Contribution a l'étude géologique du Pinde septentrional et d'une partie de la Macédoine occidentale. Ann. Geol. Pays Hellen. 7: 1-358

Capedri S, Lekkas E, Papanikolaou D, Scarpelis N, Venturelli G and Gallo J (1985) The ophiolite of the Koziakas range, Western Thessaly (Greece). N Jb Miner Abh 152: 45-64

Capedri S, Venturelli G and Toscani L (1982) Petrology of an ophiolitic cumulate sequence from Pindos, Greece. Geol J 17: 223-242

Capedri S, Venturelli G, Bebien J and Toscani L (1981) Low and high Ti ophiolites in northern Pindos: petrological and geological constraints. Bull 44: 439-449

Capedri S, Venturelli G, Bocchi G, Dostal J, Garutti G and Rossi A (1980) The geochemistry and petrogenesis of an ophiolite sequence from Pindos, Greece. Contrib Mineral Petrol 74: 189-200

Celet P (1962) Contribution à l' étude géologique du Parnasse-Kiona et d' une partie des régions méridionales de la Grèce continentale. Ann Geol Pays Hell 13: 1-446

Chiari M, Bortolloti V, Marcucci M, Photiades A and Principi G (2003) The Middle Jurassic siliceous sedimentary cover at the top of Vourinos ophiolite (Greece). Ofiol. 28: 95-104

Christiansen FG and Roberts S (1986) Formation of olivine pseudo-crescumulates by syntectonic axial planar growth during mantle deformation. Geological Magazine 123(01): 73 Journal of Thesis and Dissertations of the School of Geology, AUTh

Clift PD and Dixon JE (1998) Jurassic ridge collapse, subduction initiation and ophiolite obduction in the southern Greek Tethys. Eclogae geol Helv 91: 128-138

Danelian T and Robertson AHF (2001) Neotethyan evolution of eastern Greece (Pagondas Mélange, Evia island) inferred from radiolarian biostratigraphy and the geochemistry of associated extrusive rocks. Geol Mag 138(3): 345-363

De Bono A (1998) Pelagonian margins in central Evia island (Greece). Stratigraphy and geodynamic evolution. Thèse de doctorat, Université de Lausanne, pp 114

Dijkstra AH, Drur MR and Vissers RLM (2001) Structural Petrology of Plagioclase Peridotites in the West Othris Mountains (Greece): Melt Impregnation in Mantle Lithosphère. Journal of Petrology 42: 5-24

Dilek and Robinson PT (eds) (2003) Ophiolites in Earth History Geological Society of London Special Publication 218, pp 717

Dilek Y (2003) Ophiolite concept and its evolution, in Dilek Y and Newcomb S, (eds) Ophiolite Concept and the Evolution of Geological Thought Geological Society of America Special Paper 373, pp 1-16

Dilek Y and Ahmed Z (2003) Proterozoic ophiolites of the Arabian Shield and their significance in Precambrian tec-tonics, in Dilek Y and Robinson PT (eds) Ophiolites in Earth Histor: Geological Society, London, Special Publications 218, pp 685-700

Dilek Y and Newcomb S (2003) Ophiolite Concept and the Evolution of Geological Thought Geological Society of America Special Paper 373, pp 504

Dilek Y, Flower MFJ (2003) Arc–Trench Rollback and forearc accretion: A model template for ophiolites in Albania, Cyprus, and Oman. Geol Soc London Spec Publ 218: 43–68

Dilek Y, Furnes H, & Shallo M (2008) Geochemistry of the Jurassic Mirdita Ophiolite (Albania) and the MORB to SSZ evolution of a marginal basin oceanic crust. Lithos, 100(1-4): 174–209. doi:10.1016/j.lithos.2007.06.026

Dilek Y, Moores, EM, Elthon D and Nicolas A (eds) (2000) Ophiolites and Oceanic Crust: New Insights from Field Studies and the Ocean Drilling Program: Geological Society of America Special Paper 349, pp 552

Dixon J E and Dimitriadis S (1984) Metamorphosed ophiolitic rocks from the Serbomacedonian Massif, near Lake Volvi, Northeast Greece, The Geological Evolution of the Eastern Mediterranean. Geol. Soc. Lond., Spec. Pubi., 17: 603-618

Dostal J, Toscani L, Photiades A and Capedri S (1991) Geochemistry and petrogenesis of Tethyan ophiolites from northern Argolis (Peloponnesus, Greece). Enr J Mineral 3: 105-121

Economou EM and Naldrett Aj (1984) Sulfides associated with podiform bodies of chromite at Tsagli, Eretria, Greece. Mineral Depos 19: 289-297

Economou EM, Dimou E, Economou G, Migiros G, Vacondios I, Grivas E, Rassios A and Dabitzias S (1986) Chromite deposits of Greece. Chromites UNESCO'S I.G.C.P.-197 Project "Metallogeny of Ophiolites", Editorial board Prof. Petrascheck et al Theophrastus Publications SA: 129-159

Economou M (1983) Platinum-group metals in chromite ores from the Vourinos ophiolite complex, Greece Ofiol. 8(3): 339-356

Ferriere J (1982) Paleogeopraphie et tectoniques superposées dans les Hellénides internes : les massifs de l'Othrys et du Pélion (Grece septentrional). Thése, sciences Univ. Lille- Soc. Géol. Nord. Publ. 8, pp 970

Gartzos E, Migiros G and Parcharidis I (1990) Chromites from ultramafic rocks of northern Evia (Greece) and their geotectonic significance. Schweiz. Mineral. Petrogr. Mitt. 70: 301-307

Ghikas C, Dilek Y and Rassios A (2010) Structure and tectonics of subophioliticmelanges in the western Hellenides (Greece): implications for ophiolite emplacement tectonics. Inter. Geol. Rev., 52(4–6): 423-453

Grieco G, Bussolesi M, Tzamos E, Rassios AE, Kapsiotis A (2018) Processes of primary and re-equilibration mineralization affecting chromitite ore geochemistry within the Vourinos ultramafic sequence, Vourinos ophiolite (West Macedonia, Greece). Ore Geol. Reviews 95: 537-551

Haenel-Remy S and Bebien J (1985) The Oreokastro ophiolite (Greek Macedonia). An important component of the innermost Hellenic Ophiolite Belt. Ofiol, 10, 279296

Haenel-Remy S and Bebien J (1987) Basaltes et dolérites riches en magnesium dans l’association ignée de Guévgéli (Macédoine grecque): les témoins d'une évolution depuis des tholéiites abyssales jusqu'à des basaltes continentaux? Ofiol, 12, 91-106

Harkins ME, Green HW and Moores EM (1980) Multiple intrusive events documented from the Vourinos complex, Northern Greece. Amer. J. Sci., 280A: 284-295

Hatzipanagiotou K (1988) Eindindung der obersten einheit von Rodos, und Karpathos (Griechenland) in den alpidischen ophiolith-gurtel. N. Jb. Geol. Palaont. Abh. 176(3): 395-422

Hatzipanagiotou K (1990) Petrography of the ophiolite complex in central Argolis (Peloponnesus, Greece). Ofiol. 15: 61-77

Hatzipanagiotou K and Pe-Piper G (1995) Ophiolitic and sub-ophilitic metamorphic rocks of the Vatera area, southern Lesbos, Greece: geochemistry and geochronology. Ofiol. 20: 17-29

Hess HH (1955) Serpentinites, Orogeny, and Epiorogeny: Geological Society of America Special paper 62, pp 391-407

Hess HH (1962) History of ocean basins. In: Engel AEJ, James HL and Leonard BF (eds) Petrologic Studies: A volume in honor of A.F. Budding-ton, Geological Society of America, pp 599-620

Hess HH (1965) Mid-ocean ridges and tectonics of the sea floor, in Proceedings 17th Symposium Colston Resource Society. University of Bristol, London, Buttersworths, pp 317-333

Hoeck V, Koller F, Meisel T, Onuzi K, Kneringer E, (2002) The Jurassic South Albanian ophiolites: MOR- vs. SSZ-type ophiolites. Lithos 65: 143–164

Jackson ED, Green HW and Moores EM (1975) The Vourinos ophiolite, Greece: cyclic unit of lineated cumulates overlying harzburgite tectonite. Geol. Soc. America Bull. 86: 390-398

Jones G and Robertson AHF (1991) Tectono-stratigraphy and evolution of the Mesozoic Pindos ophiolite and related units northwestern Greece. J. Geol. Soc.: 148, 267-288

Jones G, Robertson AHF and Cann, JR (1991) Genesis and emplacement of the suprasubduction zone Pindos ophiolite, northwestern Greece. In: Peters TJ et al (eds) Ophiolite Genesis and Evolution of the Oceanic Lithosphere: 771-799

Juteau T (2003) Identification of a mantle unit in ophiolites: A major step in the evolution of the ophiolite concept. In: Dilek Y and Newcomb S (eds) Ophiolite Concept and the Evolution of Geological Thought: Boulder, Colorado, Geological Society of America Special Paper 373, pp 31-53

Kapsiotis A (2013) Origin of mantle peridotites from the Vourinos Ophiolite Complex, Greece, as dedusedd from Cr-spinel morphological and chemical variations J. Geosci., 58:221-235

Kapsiotis A (2014a) Alteration of chromitites from Voidolakkos and Xerolivado mines, Vourinos ophiolite complex, Greece: implications for deformation-induced metamorphism. Geol. J. 50(6): 739-763

Karipi S, Tsikouras B, Hatzipanagiotou K, Tassos A and Grammatikopoulos (2007) Petrogenetic significance of spinel-group minerals from the ultramafic rocks of the Iti and Kallidromon ophiolites (Central Greece). Lithos 99: 136-149

Karipi S, Tsikouras S and Hatzipanagiotou K (2006) The petrogenesis and tectonic setting of ultramafic rocks from Iti and Kallidromon mountains, continental Greece: Vestiges of the Pindos Ocean. Can. Mineral., 44: 267-287

Koepke J, Seidel E and Kreuzer H (2002) Ophiolites on the Southern Aegean islands Crete, Karpathos and Rhodes: composition, geochronology and position within the ophiolite belts of the Eastern Mediterranean. Lithos, 65: 183-203

Koglin N, Kostopoulos D and Reischmann T (2009) The Lesvos mafic-ultamafic complex, Greece: ophiolite or incipient rift? Lithos 108: 243-261

Koller F, Hoeck V, Meisel T, Ionescu C, Onuzi K, and Ghega D (2006) Cumulates and gabbros in southern Albanian ophiolites: their bearing on regional tectonic setting: In Robertson A and Mountrakis D (eds) Tectonic Development of the Eastern Mediterranean Region: Geological Society, London: Special Publication, v. 260, pp 267-299

Konstantopoulou G and Economou-Eliopoulos M (1990) Geochemistry of the Vourinos chromite ores, Greece. In: Malpas J, Moores E, Panayiotou A and Xenophontos C (eds) Ophiolites, Oceanic Crustal Analogues. Proc. Symp. "Trooodos 1987": 605-613

Kostopoulos DK (1988) Geochemistry, Petrogenesis and Tectonic Setting of the Pindos Ophiolite, NW Greece.- Ph.D. Thesis, Univ. Newcastle, pp 468

Liati A, Gebauer D and Fanning CM (2004) The age of ophiolitic rocks of the Hellenides (Vourins, Pindos, Crete): first U-Pb ion microprobe (SHRIMP) zircon ages. Chem. Geol. 207(3-4): 171-188

Lotti B (1886) “Paragone fra le rocce ofiolitiche terziarie italiene e le rocce basiche pure terziarie della Scozia e dell’Irlanda, a propisito di rue recenti pubblicazioni di J.W. Judd,” in Bollettino del Reale Comitato Geologico d’Italia 17, pp 73–86

Magganas Α (2002) Constraints on the petrogenesis of Evros ophiolite extrusives, NE Greece. Lithos 65: 165-182

Magganas Α, Sideris C and Kokkinakis A (1991) Marginal basin-volcanic arc origin of the metabasic rocks of the Circum-Rhodope belt, Thrace, Greece. Mineral. Petrol. 44: 235-252

Matveev S and Ballhaus C (2002) Role of water in the origin of podiform chromitite deposits. Earth Planet. Sci. Let., 203: 235-243

Mavrides A, Skourtsis-Coroneou V and Tsaila-Monopolis S (1979) Contribution to the Geology of the Subpelagonian Zone (Vourinos area, West Macedonia). In: 6th Colloquium on the Geology of the Aegean Region. Institute of Geological and Mineral Exploration, Athens: 175-195

Migiros G and Economou Μ (1988) Chromites in the ultrabasic rocks East Thessaly complex (central Greece). Ofiol. 7: 397-406

Migiros G, Hatzipanagiotou K, Gartzos E, Serelis K and Tsikouras V (2000) Petrogenetic evolution of ultramafic rocks from Lesvos Island (NE Aegean, Greece). Chem. Erde 60: 27-46

Mitropoulos P, Kalogeropoulos SI and Baltatzis E (1987) Geochemical characteristics of ophiolitic rocks from Iti, Central Greece. Ofiol. 12(1): 37-42

Moores EM (1969a) Petrology and structure of the Vourinos ophiolite complex, Nothern Greece. Geological society of America, Special paper 118: 1-74

Moores EM (1969b) The Troodos, Cyprus and Vourinos, Greece, ultramafic complexes, and an evaluation of ophiolites as ocean floor slices. The Royal Society of London: 12-14

Moores EM (1982) “Origin and empacement of ophiolites,” Rev. Geoph. Sp. Phys. 20, pp 735-760

Moores EM (1986) The Proterozoic ophiolite problem, continental emergence, and the Venus connection: Science, v. 234, pp 65-68

Moores EM (2002) Pre- 1 Ga (pre-Rodinian) ophiolites: their tectonic and environmental implications: Geological Society of America Bulletin v. 114, pp 80-95

Moores EM and Vine FJ (1971) Troodos Massif, Cyprus and other ophiolites as oceanic crust: evaluation and implications: Royal Society of London Philosophical Transactions series A, v. 208, pp 443-466

Moores EM, Robinson PT, Malpas J, and Xenophontos C (1984) Model for the origin of the Troodos Massif, Cyprus, and other Mideast ophiolites: Geology, v. 12, pp 500-503

Mountrakis D (1982) Emplacement of the Kastoria ophiolite on the western edge of the Internal Hellenides. Ofiol 7: 397-406

Mountrakis D (1984) Structural evolution of the Pelagonian Zone in Northwestern Macedonia, Greece. In Special Publications of the Geological Society No. 17, The geological evolution of the eastern Mediterranean, Oxford, Blackwell Scientific Publications: 581-590

Mountrakis D (1986) The Pelagonian zone in Greece: a polyphased deformed fragment of the Cimmerian continent and its role in the geological evolution of the eastern Mediterranean. J Geol 94: 335-347

Mussallam K (1991) Geology, geochemistry and the evolution of an oceanic lithosphère rift at Sithonia, NE Greece. In: Peters TJ et al (eds) Ophiolite Genesis and Evolution of the Oceanic Lithosphère: 685-704

Mussallam K and Jung D (1986) Petrology and geotectonic significance of sialic rocks preceeding ophiolites in the eastern Vardar Zone, Greece: Tschermak’s Mineralogische und Petrographische Mitteilungen 35: 217-242

Naylor MA and Harle TJ (1976) Palaeogeographic significance of rocks and structures beneath the Vourinos ophiolite, northern Greece. Journal of the Geological Society, London, 132: 667-675

Papanikolaou D (2009) Timing of tectonic emplacement of the ophiolites and terrane paleogeography in the Hellenides. Lithos, 108: 262-280

Pe-Piper G and Piper DJ (1991) Early Mesozoic oceanic subduction-related volcanic rocks, Pindos basin Greece. Tectonophysics 192: 273-292

Pichon JF and Lys M (1976) Sur l’existence d’une série du Jurassique supérieur à Crétacé inférieur, surmontant les ophiolites, dans les collines de Krapa (Massif du Vourinos, Grèce). Comptes Rendus de l'Academie de Sciences (Série D), 282, 52352

Pomonis P, Tsikouras Β and Hatzipanagiotou Κ (2002) Origin, evolution and radiometric dating of sub-ophiolitic metamorphic rocks from the Koziakas ophiolite (W.Thessaly, Greece). N Jb Miner Abh 177: 255-276

Pomonis P, Tsikouras Β and Hatzipanagiotou Κ (2004) Comparative geochemical study of the Triassic trachyandesites of Glykomilia and alkalibasalts from the Koziakas ophiolite mélange (W. Thessaly): implications for their origin. 10th G.S.G. Congress, Thessaloniki 2004, Bull. Geol. Soc. Greece 36: 587-596

Pomonis P, Tsikouras Β, Karipi S and Hatzipanagiotou Κ (2008) Rodingite formation in ultramafic rocks from the Koziakas ophiolite, Western Thessaly, Greece: Conditions of metasomatoc alteration, geochemical exchanges and TX(CO2) evolution path. Canad. Mineral 46: 569-581

Prichard H, Economou-Eliopoulos M and Fisher P (2008) Constrasting platinumgroup mineral assemblages from two different podiform chromitite localities in the Pindos ophiolite complex, Greece. The Canadian Mineralogist, 46, pp 329-341

Rassios A (1981) Geology and evolution of the Vourinos complex, northern Greece. PhD Thesis, University of California (Davis), pp. 499

Rassios A (1991) Internal structure and pseudostratigraphy of the Dramala peridotite massif. Pindos mountains, Greece. Bull. Geol. Soc. Greece 25/1: 293-305

Rassios A and Dilek Y (2009) Rotational deformation in the Jurassic Mesohellenic ophiolites, Greece, and its tectonic significance. Lithos 108: 207-223

Rassios A and Konstantopoulou G (1993) Emplacement tectonism and the position of chrome ores in the Mega Isoma peridotites, SW Othris, Greece. Bull. Geol. Soc. Greece 28(2): 463-474

Rassios A and Kostopoulos D (1990) The geochemistry of dunite and its relation to the position of chromitites in the Vourinos ophiolite complex, Greece. In: Ophiolites: Oceanic crustal analogues; Proccedings of the symposium “Troodos ‘87” (eds) Malpas J, Moores EM, Panayiotou A and Xenophontos C.), Nicosia, Cyprus, 593-604

Rassios A and Smith AG (2000) Constraints on the formation and emplacement age of western Greek ophiolites (Vourinos, Pindos, and Othris) inferred from deformation structures in peridotites. Geol. Soc. Amer. Sp. Pap 349: 473-483

Rassios A, Beccaluva L, Bortolotti V, Mavrides A and Moores EM (1983b) The Vourinos ophiolitic complex: a field excursion guidebook. Ofiol. 8: 275-292

Rassios A, Grivas E and Vacondios I (1999) The structural–geochemical– metallogenetic unification of the Pindos and Vourinos ophiolites. Journal of Conference Abstracts, 4: 407

Rassios AHE and Moores EM (2006) Heterogeneous mantle complex, crustal processes, and obduction kinematics in a unified Pindos-Vourinos ophiolitic slab (northern Greece). Geological Society, London, Special Publications, 260: 237-266

Rassios Α, Moores EM and Green HW (1983) Magmatic structure and stratigraphy of the Vourinos ophiolite cumulate zone. Ofiol. 8(3): 377-410

Robertson A, Karamata S (1994) The role of subduction–accretion processes in the tectonic evolution of the Mesozoic Tethys in Serbia. Tectonophysics 234:73–94

Robertson AHF (1990) Late Cretaceous oceanic crust and Early Tertiary foreland basin development, Euboea, Eastern Greece. Terra Nova 2: 333-339

Robertson AHF (1991) Origin and emplacement of an inferred late Jurassic subduction accretion complex, Euboea, eastern Greece. Geol. Mag. 128: 27-41

Robertson AHF (1994) Role of the tectonic fades concept in orogenic analysis and its application to Tethys in the Eastern Mediterranean region. Earth Sci. Rev., 37: 139-213

Robertson AHF and Dixon JE (1984) Introduction aspects of the geological evolution of the Eastern Mediterranean. In: Dixon, J.E. and Robertson, A.H.F. (eds), The geological evolution of the Eastern Mediterranean. Geol. Soc. London, Spec. Publ., 17: 1-73

Robertson AHF, Mountrakis D (eds) (2006) Tectonic Development of the Eastern Mediterranean Region. Special Publication of the Geological Society, London, 260, pp. 717

Ross JV and Zimmerman J (1996) Comparison of evolution and tectonic significance of the Pindos and Vourinos ophiolite suites, northern Greece. Tectonophysics, 256: 1-15

Saccani E and Photiades A (2004) Mid-ocean ridge and supra-subduction affinities in the Pindos ophiolites (Greece): Implications for magma genesis in a forearc setting. Lithos 73: 229-253

Saccani E, Photiades A, Santato A and Zeda O (2008) New evidence for suprasubduction zone ophiolites in the Vardar zone of northern Greece: Implications for the tectono-magmatic evolution of the Vardar oceanic basin. Ofiol. 33 (1): 65-85

Saric V, Cvetkovic V, Romer L, Christofides G and Koroneos A (2009) Granitoids associated with East Vardar ophiolites (Serbia, F.Y.R. of Macedonia and northern Greece): origin, evolution and geodynamic significance inferred from major and trace element data and Sr-Nd-Pb isotopes. Lithos 108: 131-150

Simantov J and Bertrand J (1987) Major and trace element geochemistry of the central Euboea basaltic rocks (Greece). Possible geotectonic implications. Ofloliti 12: 201-218

Smith AG & Rassios A (2003) The evolution of ideas for the origin and emplacement of the western Hellenic ophiolites. Special Paper 373: Ophiolite Concept and the Evolution of Geological Thought: 337–350. doi:10.1130/0-8137-2373-6.337

Smith AG (1979) Othris, Pindos and Vourinos ophiolites and the Pelagonian zone. In: 6th Colloquium on the Geology of the Aegean region (Vol. 3). Institute of Geological and Mining Research, Athens, Greece: 1369-1374

Smith AG (1993) Tectonic significance of the Hellenic-Dinaric ophiolites. In: Prichard HM, Alabaster T, Harris NBW and Neary CR (eds) Magmatic Processes and Plate Tectonics, Geological Society, London, Special Publications 76: 213-243

Smith AG and Spray JG (1984) A half-ridge transform model for the HellenicDinaric ophiolites. In: Dixon JE and Robertson AHF (eds): The Geological Evolution of the Eastern Mediterranean. Geological Society of London, Special Publications, 17: 629-644

Smith AG, Hynes AJ, Menzies M, Nisbet EG, Price I, Welland MJ and Ferriere J (1975) The stratigraphy of the Othris Mountains, eastern central Greece: a deformed Mesozoic continental margin sequence. Eclog. Geol. Helv 68: 463-481

Spray JG and Roddick JC (1980) Petrology and 40Ar/39Ar Geochronology of Some Hellenic Sub-Ophiolite Metamorphic Rocks. Contrib. Mineral. Petrol 72, 4355

Steinmann G (1905) Geologische Beobachtungen in den Alpen, II. Die Schardtsche Ueberfaltungstheorie und die geologische Bedeutung der Tiefseeabsätze und der ophiolithischen Massengesteine: Ber. Naturf. Ges. Freiburg (im breisgau): 16

Steinmann G (1927) Die ophiolitischen Zonen in den mediterranen Kettengebirgen: Compte-rendu XIVe Congrès géologique international 1926 Madrid, Graficas Reunidas, v. 2, pp 637-667

Suess E (1909) The face of the earth, v.2, part 3, The Sea: Oxford Clarendon

Tsikouras Β and Hatzipanagiotou Κ (1998) Two alternative solutions for the development of a marginal basin in NE Greece. Ofiol. 23(2): 83-92

Tzamos E, Filippidis A, Rassios A, Grieco G, Michailidis K., Koroneos A, Stamoulis K,Pedrotti M, Gamaletsos P N (2016) Major and minor element geochemistry of chromite from the Xerolivado-skoumtsa mine, Southern Vourinos: Implications for chrome ore exploration. Jour. Geo. Exp., 165: 81-93

Wigniolle E (1977a): Contribution à l’ étude géologique du massif de l’ Iti (Grèce continentale). Thèse 3e cycle, Univ.Lille, pp 239

Wigniolle E (1977b): Données nouvelles sur la géologie du massif de l’ Iti (Grèce continentale). Ann. Soc. Géol. Nord 47(3): 239-251

Zachariadis P (2007) Ophiolites of the eastern Vardar Zone. PhD Thesis, University of Mainz, pp 131

Zachos K (1969) The chromite mineralization of the Vourinos ophiolite complex, Greece. Econ. Geol. Μοn. 4: 147-153

Zachos Κ (1964) Chromite exploration in Greece. In: Wilson R (eds), Methods of prospection for chromite. O.E.G.D., Paris: 55-59

Zimmerman J (1972) Emplacement of the Vourinos ophiolitic complex, Northern Greece. Geol. Soc. Am., Memoir, 132: 225-239

Αρχειακό υλικό πολιτιστικού συλλόγου Χρωμίου Κοζάνης

Αρχειακό υλικό της εταιρείας «ΕΛΛΗΜΕΤ ΕΛΛΗΝΙΚΑ ΜΕΤΑΛΛΕΙΑ Α.Ε.»

Βακόνδιος I (1997) Μελέτη της μεταλλοφορίας χρωμίτη της συνδεδεμένης με οφιόλιθους τύπου Ανατολικής και Δυτικής Μεσογείου. Οι χρωμίτες της Τήνου και των Γερανιών. Διδακτορική Διατριβή, Πανεπιστήμιο Πατρών, 140 σελ.

Βραχάτης Γ και Γρίβας Η (1980) Επί της γεωλογικής-κοιτασματολογικής χαρτογραφήσεως 1:10.000 περιοχής Βουρίνου Φλάμπουρου Κοζάνης. Αδημοσίευτη έκθ., Ι.Γ.Μ.Ε., 80 σελ.

Ζάχος Κ (1954) Χρωμιτικά κοιτάσματα της περιοχής Βούρινου (Κοζάνης). Αδημοσίευτη έκθ. Ι.Γ.Μ.Ε., 82 σελ.

Καρίπη Σ (2004) Οι οφιολιθικές εμφανίσεις της Οίτης και του Καλλιδρόμου, Διδακτορική διατριβή, Παν/μιο Πατρών, 329 σελ.

Καψιώτης Α (2008) Κοιτασματογένεση πλατινοειδών ορυκτών και χρωμιτών συνδεόμενων με την πετρογενετική εξέλιξη των οφιολιθικών συμπλεγμάτων Βούρινου και Πίνδου. Διδακτορική Διατριβή, Πανεπιστήμιο Πατρών, 718 σελ.

Κόζιακα (Δυτική Θεσσαλία). Διδακτορική Διατριβή, Τμήμα Γεωλογίας Πανεπιστημίου Αθηνών, Γεωλογικές μονογραφίες Νο 1, Toμέας Δυν. Τεκτ. Εφαρμ. Γεωλογίας Πανεπιστημίου Αθηνών, 281 σελ.

Κοκκαλιάρη Μ (2015) Ορυκτοχημική μελέτη χρωμιτών, εγκλεισμάτων πλατινοειδών και άλλων μεταλλικών φάσεων καθώς και των πρωτολίθων-ξενιστών τους, εις το οφιολιθικό σύμπλεγμα της νήσου Τήνου. Μεταπτυχιακή Διατριβή Ειδίκευσης, Πανεπιστήμιο Πατρών, 237 σελ.

Κουτσοβίτης Π (1990) Πετρολογική και Ορυκτολογική μελέτη οφιολιθικών πετρωμάτων στην περιοχή της Ανατολικής Όθρυος. Διδακτορική Διατριβή, Παν/μιο Αθηνών, 535 σελ.

Κωνσταντοπούλου ΠΓ (1990) Κατανομή των στοιχείων της ομάδας του λευκόχρυσου (PGE) και του χρυσού σε χρωμιτικά μεταλλεύματα και πετρώματα του οφιολιθικού συμπλέγματος του Βούρινου. Διδακτορική Διατριβή, Πανεπιστήμιο Αθηνών, 262 σελ.

Λέκκας E (1988) Γεωλογική δομή και γεωδυναμική εξέλιξη της οροσειράς του Κόζιακα (Δυτική Θεσσαλία). Διδακτορική διατριβή,Τμήμα Γεωλογίας Πανεπιστημίου Αθηνών, Γεωλογικές μονογραφίες Νο 1, Τομέας Δυν. Τεκτ. Εφάρμ. Γεωλογίας Πανεπιστημίου Αθηνών, 281 σελ.

Μαγκανάς A (1988) Μελέτη της ορυκτολογίας, πετρολογίας, γεωχημείας και των φαινομένων μεταμόρφωσης βασικών και υπερβασικών πετρωμάτων της Περιροδοπικής ζώνης, στην περιοχή της Θράκης. Διδακτορική Διατριβή, Παν/μιο Αθηνών, 332σελ.

Μιγκίρος Γ (1990) Η λιθοστρωματογραφική-τεκτονική δομή της Όθρυος (κεντρική Ελλάδα). Δελτ. Ελλ Γεωλ. Εταιρ. 26, 107-120 σελ.

Μπαντή Α (2002) Κοιτασματολογική μελέτη των χρωμιτών της περιοχής Έδεσσας. Διδακτορική Διατριβή, Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης, 460 σελ.

Πομώνης Π (2003) Οι οφιόλιθοι του Όρους Κόζιακα. Διδακτορική Διατριβή, Πανεπιστήμιων Πατρών, 328 σελ.

Τσικούρας Β (1992) Οι οφιόλιθοι της Νήσου Σαμοθράκης. Διδακτορική Διατριβή, Πανεπιστήμιο Πατρών, 435 σελ.

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