Gold Metallogeny of the Serbomacedonianrhodope Metallogenic Belt (Srmb)

Tsirambides, A.; Filippidis, Anestis

doi:10.12681/bgsg.11950

Cited by 10 publications

(8 citation statements)

References 18 publications

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“…The Vathi area is located in Kilkis ore district in northern Greece, which is a poorly explored region containing known porphyry-style deposits in the SMMP (Figures 1 and 2). Preliminary estimates of the resources at Vathi are 15 Mt ore grading 0.30 wt % Cu and 0.8 g/t Au [3,6]. This deposit has been exploited for gold and copper probably during the reign of Alexander I of Macedonia (498-454 BC) [18].…”

Section: Figurementioning

confidence: 99%

“…A calc-alkaline syenite and a granodiorite intrusion host the Gerakario Cu-Au-Sb porphyry-epithermal deposit, whereas the Pontokerasia Cu-Mo-Au porphyry deposit is spatially associated with a calc-alkaline syenite intrusion [16]. Preliminary estimations of resources based on old exploration data for the Gerakario, Pontokerasia, and Vathi porphyry deposits indicate more than 258 Mt of ore with 0.40 wt % Cu and 0.9 g/t Au [3].…”

Section: Oligocene-miocene Ore Deposits and Prospects Of The Serbo-macedonian Metallogenic Province (Smmp) In Greecementioning

confidence: 99%

“…In northern Greece, the Serbo-Macedonian metallogenic province (SMMP), and the adjacent Rhodope metallogenic province, are part of the Western Tethyan metallogenic belt. Both metallogenic provinces are two of the most promising regions for ore exploration projects in southeastern Europe [1][2][3][4][5][6][7][8][9]. Throughout the Greek part of the SMMP, several deposits and prospects are enriched in Cu and Au as well as in several critical metals and metalloids, such as Sb, W, Te, Bi, Ga, Co, Ag, rare earth elements (REE; e.g., La, Ce, Gd), and platinum group metals (PGM; e.g., Pd, Pt, Ru) [5,6,[10][11][12][13][14][15] (Figure 1).…”

Section: Introductionmentioning

confidence: 99%

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The Geology, Geochemistry, and Origin of the Porphyry Cu-Au-(Mo) System at Vathi, Serbo-Macedonian Massif, Greece

et al. 2021

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The Vathi porphyry Cu-Au ± Mo mineralization is located in the Serbo-Macedonian metallogenic province of the Western Tethyan Metallogenic Belt. It is mainly hosted by a latite and is genetically associated with a quartz monzonite intrusion, which intruded the basement rocks of the Vertiskos Unit and the latite, 18 to 17 Ma ago. A phreatic breccia crosscuts the latite. The quartz monzonite was affected by potassic alteration, whereas the latite was subjected to local propylitic alteration. Both styles of alteration were subsequently overprinted by intense sericitic alteration. M-type and A-type veins are spatially associated with potassic alteration, whereas D-type veins are related to the sericitic alteration. Three ore assemblages are associated with the porphyry stage: (1) pyrite + chalcopyrite + bornite + molybdenite + magnetite associated with potassic alteration; (2) pyrite + chalcopyrite related to propylitic alteration; and (3) pyrite + chalcopyrite + native gold ± tetradymite associated with sericitic alteration. A fourth assemblage consisting of sphalerite + galena + arsenopyrite + pyrrhotite + pyrite ± stibnite ± tennantite is related to an epithermal overprint. Fluid inclusion data indicate that the A-type veins and related porphyry-style mineralization formed at 390–540 °C and pressures of up to 646 bars (<2.6 km depth) from boiling hydrothermal fluids. A later condensation of vapor-rich inclusions resulted in a moderately saline fluid (8.4–11.2 wt % NaCl equiv) at temperatures between 311 and 392 °C, which were related to sericitic alteration, D-type veins, and associated metallic mineralization. Subsequent dilution of the moderately saline fluid at lower temperatures (205–259 °C) produced a less saline (1.4–2.9 wt % NaCl equiv.) fluid, which is likely associated with the late epithermal overprint.

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Section: Figurementioning

confidence: 99%

Section: Oligocene-miocene Ore Deposits and Prospects Of The Serbo-macedonian Metallogenic Province (Smmp) In Greecementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The Geology, Geochemistry, and Origin of the Porphyry Cu-Au-(Mo) System at Vathi, Serbo-Macedonian Massif, Greece

et al. 2021

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“…The Vathi porphyry deposit (N41.1458 • , E22.9639 • ) is located near Vathi village, along Ragian Hills 1 and 2 [53] (Figure 2). Exploration projects during the 1970s and the 1980s indicated estimates of more than 258 Mt of ore with 0.40 wt.% Cu and 0.9 g/t Au [37,63].…”

Section: The Vathi Depositmentioning

confidence: 99%

Rare and Critical Metals in Pyrite, Chalcopyrite, Magnetite, and Titanite from the Vathi Porphyry Cu-Au±Mo Deposit, Northern Greece

et al. 2021

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The Vathi porphyry Cu-Au±Mo deposit is located in the Kilkis ore district, northern Greece. Hydrothermally altered and mineralized samples of latite and quartz monzonite are enriched with numerous rare and critical metals. The present study focuses on the bulk geochemistry and the mineral chemistry of pyrite, chalcopyrite, magnetite, and titanite. Pyrite and chalcopyrite are the most abundant ore minerals at Vathi and are related to potassic, propylitic, and sericitic hydrothermal alterations (A- and D-veins), as well as to the late-stage epithermal overprint (E-veins). Magnetite and titanite are found mainly in M-type veins and as disseminations in the potassic-calcic alteration of quartz monzonite. Disseminated magnetite is also present in the potassic alteration in latite, which is overprinted by sericitic alteration. Scanning electron microscopy and laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) analyses of pyrite and chalcopyrite reveal the presence of pyrrhotite, galena, and Bi-telluride inclusions in pyrite and enrichments of Ag, Co, Sb, Se, and Ti. Chalcopyrite hosts bornite, sphalerite, galena, and Bi-sulfosalt inclusions and is enriched with Ag, In, and Ti. Inclusions of wittichenite, tetradymite, and cuprobismutite reflect enrichments of Te and Bi in the mineralizing fluids. Native gold is related to A- and D-type veins and is found as nano-inclusions in pyrite. Titanite inclusions characterize magnetite, whereas titanite is a major host of Ce, Gd, La, Nd, Sm, Th, and W.

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“…The Kratovo-Zletovo volcanic field is part of a NW-SE trending magmatic belt which extends for several hundred kilometers from Serbia, through FYROM, to Greece. Magmatic activity in this belt dates back in Eocene to Miocene and is associated with large ore deposits [9,10,[32][33][34]. This metallogenic zone is called Lece-Buchim-Kilkis-Chalkidiki and is one of the most significant ore districts in SE Europe for future exploration for Au, Ag, Cu, Pb, Zn, Sb, and various rare and critical metals.…”

Section: Geological Settingmentioning

confidence: 99%

Fluid Inclusions at the Plavica Au-Ag-Cu Telescoped Porphyry–Epithermal System, Former Yugoslavian Republic of Macedonia (FYROM)

et al. 2019

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The Plavica Au-Ag-Cu porphyry and high sulfidation (HS) epithermal deposit is located at the Kratovo–Zlatovo volcanic field in Eastern Former Yugoslavian Republic of Macedonia. In this study, new fluid inclusions data provide additional evidence of the presence of a porphyry style mineralization which is associated with an overlain HS epithermal deposit. The Oligocene–Miocene magmatic rocks have a calc–alkaline to high-K calc–alkaline affinity and consist of sub-volcanic intrusions and volcanic rocks. Previous studies distinguished four alteration types: (a) Sericitic, (b) advanced argillic, (c) silicification, and (d) propylitic alteration. Fluid inclusions showed an early magmatic brine in porphyry style veins with high salinity (33–57 wt% NaCl equiv.), which coexists with a vapor rich fluid with lower salinity (14–20 wt% NaCl equiv.), at temperatures 380–500 °C, under boiling conditions. At shallower depths, the fluid inclusions demonstrate various HS–epithermal deposits which were formed by moderate to low salinity (3–14 wt% NaCl equiv.) hydrothermal fluids at lower temperatures from 200 to 300 °C.

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Gold Metallogeny of the Serbomacedonianrhodope Metallogenic Belt (Srmb)

Cited by 10 publications

References 18 publications

The Geology, Geochemistry, and Origin of the Porphyry Cu-Au-(Mo) System at Vathi, Serbo-Macedonian Massif, Greece

The Geology, Geochemistry, and Origin of the Porphyry Cu-Au-(Mo) System at Vathi, Serbo-Macedonian Massif, Greece

Rare and Critical Metals in Pyrite, Chalcopyrite, Magnetite, and Titanite from the Vathi Porphyry Cu-Au±Mo Deposit, Northern Greece

Fluid Inclusions at the Plavica Au-Ag-Cu Telescoped Porphyry–Epithermal System, Former Yugoslavian Republic of Macedonia (FYROM)

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