PETROLOGY AND GEOCHEMISTRY OF THE ELATIA PLUTONITE (CENTRAL RHODOPE), NORTH GREECE
Abstract
THE SUBJECT OF THIS THESIS IS THE STUDY OF THE PLUTONIC ROCKS OF THE ELATIA AREA. THE ELATIA PLUTONITE IS SITUATED NORTH OF DRAMA NEAR THE GREEK-BULGARIAN BORDER-LINE. IT BELONGS TO THE RILA- RHODOPE MASSIF AND PART OF IT IS EXTENDED IN AND CONSISTS THE BARUTIN-BUYNOVO PLUTONITE. IT CONSISTS MAINLY OF MEDIUM TO CARSE GRAINED GRANODIORITE WHICH IN THE CENTRAL-WEST PART BECOMES PORPHYRITIC WITHLARGE MEGACRYSTS OF K-FELDSPAR. LESS ABUNDANT IS THE GRANITE WHICH IN THE FORMOF SMALL FINE TO MEDIUM GRAINED INTRUSIONS CUTS THE GRANODIORITE. THE MAIN ROCK-FORMING CONSTITUENTS ARE QUARTZ. K-FELDSPAR PLAGIOCLASE AND BIOTITE HORNBLENDE AND MUSCORITE APPEAR AT SUBORDINATE PROPORTIONS. ALLANITE EPIDOTE, SPHENE, APATITE, ZIRCON, CHLORITE AND OPAQUE MINERALS APPEAR AT ACCESSORY QUANTITIES. FORTHE GEOCHEMICAL STUDY OF THE ELATIA PLUTONIC ROCKS MAJOR (SI,TI,AL,FE,MG,CA, AND TRACE (RB,SR,BA,ZR,V,CR,SC,NB,NI,ZN,PB,U,TH,V,LA,CE,ND) ELEMENT CHEMICAL ANALYSES HAVE BEEN CARRIED OUT. THE OVERALL CHEMICAL FEATU ...
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