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Article

A New Porphyry Mo Mineralization at Aisymi-Leptokarya, South-Eastern Rhodope, North-East Greece: Geological and Mineralogical Constraints

1
Department of Geology and Geoenvironment, National and Kapodistrian University of Athens, 157 84 Athens, Greece
2
Department of Geological and Atmospheric Sciences, Iowa State University, Ames, IA 50011-1027, USA
3
Department of Earth, Ocean and Atmospheric Sciences, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
4
Department of Mineralogy, Petrology, Economic Geology, Faculty of Geology, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
5
Department of Applied Geosciences and Geophysics, University of Leoben, A-8700 Leoben, Austria
6
6 Kairi str., 15126 Athens, Greece
*
Author to whom correspondence should be addressed.
Geosciences 2018, 8(12), 435; https://doi.org/10.3390/geosciences8120435
Received: 8 October 2018 / Revised: 19 November 2018 / Accepted: 20 November 2018 / Published: 24 November 2018
(This article belongs to the Special Issue Magmatic-Hydrothermal Ore Deposits)
A new porphyry Mo prospect has been discovered in the Aisymi-Leptokarya area, along the southern margin of the Byala Reka–Kechros metamorphic dome, south-eastern (SE) Rhodope metallogenic zone. The study area is dominated by an Oligocene felsic dike complex, which hosts the porphyry Mo mineralization and intrudes into upper Eocene sandstones-marls and the Leptokarya monzodiorite pluton. The Aisymi-Leptokarya felsic dike complex displays a rhyodacitic to dacitic composition with post-collisional affinities. The porphyry Mo mineralization occurs in the form of porphyry-style quartz stockworks in the felsic dike complex associated with potassic alteration characterized by hydrothermal K-feldspar. The ore minerals consist mainly of pyrite, molybdenite, kesterite, bismuthinite and galena within both the stockwork and the rock matrix. Bulk ore analyses indicate enrichment in Mo (up to 215 ppm), Se (up to 29 ppm), Bi (up to 8 ppm) and Sn (up to 14 ppm) in the porphyry quartz veins. Late-stage, north-east (NE-) and north-west (NW-)trending milky quartz intermediate-sulfidation epithermal veins with base metals, crosscut previous vein generations and are characterized by Ag, Sn and Te anomalies. The Aisymi-Leptokarya porphyry Mo prospect is set in a back-arc geotectonic regime and shares similarities to other post-subduction porphyry molybdenum deposits elsewhere. View Full-Text
Keywords: Porphyry Μο; Thrace-Greece; Aisymi-Leptokarya Porphyry Μο; Thrace-Greece; Aisymi-Leptokarya
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MDPI and ACS Style

Galanopoulos, E.; Voudouris, P.; Mavrogonatos, C.; Spry, P.G.; Hart, C.; Melfos, V.; Zaccarini, F.; Alfieris, D. A New Porphyry Mo Mineralization at Aisymi-Leptokarya, South-Eastern Rhodope, North-East Greece: Geological and Mineralogical Constraints. Geosciences 2018, 8, 435. https://doi.org/10.3390/geosciences8120435

AMA Style

Galanopoulos E, Voudouris P, Mavrogonatos C, Spry PG, Hart C, Melfos V, Zaccarini F, Alfieris D. A New Porphyry Mo Mineralization at Aisymi-Leptokarya, South-Eastern Rhodope, North-East Greece: Geological and Mineralogical Constraints. Geosciences. 2018; 8(12):435. https://doi.org/10.3390/geosciences8120435

Chicago/Turabian Style

Galanopoulos, Evangelos, Panagiotis Voudouris, Constantinos Mavrogonatos, Paul G. Spry, Craig Hart, Vasilios Melfos, Federica Zaccarini, and Dimitrios Alfieris. 2018. "A New Porphyry Mo Mineralization at Aisymi-Leptokarya, South-Eastern Rhodope, North-East Greece: Geological and Mineralogical Constraints" Geosciences 8, no. 12: 435. https://doi.org/10.3390/geosciences8120435

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