vourinos mining

vourinos mining

ORE DEPOSITS OF NORTH-EASTERN GREECE AND …

2020-8-22 · Mining Investment Co. ". The chrome ore bodies of Skoumtsa mine are located within the zone that hosts all economic concentrations of chrome ore and appears to comprise an incipient ductile thrust within the uppermantle section. Skoumtsa mine is one of the world''s largest ophiolite-hosted chrome deposits. Vourinos Ophiolite Complex

Contemporaneous Segregation of PGE

2018-11-18 · formation of an ophiolitic chromitite body (Caridad deposit) in the Sagua de Tánamo mining district (eastern Cuba). Evidence includes: 1) droplet-like inclusions of BM sulfides in laurite (often oriented along growth planes); and 2) PGE- and BM-rich sulfide mineralogy now found as solid inclusions in the chromite.

Ophiolite-related associations of platinum-group minerals ...

Exploration and Mining Geology, 5, 73 – 167. Google Scholar Garuti, G. and Zaccarini, F. ( 1997 ) In situ alteration of platinum-group minerals at low temperature: evidence from serpentinized and weathered chromitite of the Vourinos complex, Greece .

(PDF) Platinum-group-mineral inclusions in ophiolitic ...

in the Vourinos ophiolitic massif provide a frame-work for a systematic study of PGM in massive and. Keywords: platinum-group minerals, platinum-group ele- disseminated chromite.

Geochemistry of the Othris Ophiolite, Greece: Evidence for ...

Othris, Pindos, and Vourinos are the three major ophiolite complexes within the Dinaric–Hellenic ophiolite belt of western Greece . These ophiolites are interpreted to be remnants of the Neotethys Ocean, which existed between Eurasia and Gondwanaland during the Jurassic and the Cretaceous (Robertson et al., 1991; Stampfli et al., 1998

Chromite Grain Diameter (CGD) from the ore-hosting …

The largest chrome-ore bearing dunite of the Vourinos Complex occurs within the Xerolivado-Skoumtsa Mine District. The host dunite body has a surface exposure of 3 km2 and extends at least 400m into the subsurface. The dunite body is hosted by harzburgite tectonite interfolded with the dunite body during ductile phases of deformation. The Xerolivado-Skoumtsa mine is one of …

Skoumtsa Mine, Vourinos Ophiolite complex, Kozani and ...

Skoumtsa Mine, Vourinos Ophiolite complex, Kozani and Grevena border area, West Macedonia, Greece : A chromium mine owned by the Hellenic Industrial & Mining Investment Co. (HIMIC). 250,000 tons/year beneficiation plant capacity.

Chapter 10 Mineral resources and prospectivity of the ...

The main metallic mineral resources of New Caledonia are hosted by the obducted Peridotite Nappe. Ni, Co, Cr and the Pt group elements (PGEs) are specific to this ultramafic terrane. Cr, as podiform chromitite in the uppermost mantle, is the only hypogene metal mined economically in the past. The largest chromitite deposits are located in the lherzolitic Tiébaghi Massif.

The influence of alteration on the engineering properties ...

2010-1-1 · The Vourinos samples display lower SE values than those of Pindos, suggesting that a higher degree of alteration leads to a higher percentage of fine material. Regression analysis established that among the secondary mineral phases, only chlorite shows strong positive relationships with the water absorption and total porosity values.

Kozáni | Greece | Britannica

Kozáni, town and dímos (municipality), West Macedonia (Modern Greek: Dytikí Makedonía) periféreia (region), north-central Greece. The town is situated on the edge of a fertile basin between the Vérmio (also spelled Vérmion) and Voúrinos mountains and has tobacco, cereal, potato, and vegetable

Effectiveness of Olivine-Rich Ultrabasic Rocks from …

2015-9-7 · of the Vourinos ophiolite complex in northern Greece, where the ore-deposit of Skoumtsa, Kozani prefecture, is developed. The deposit is mined by Thermolith S.A. mining company and the olivine-rich product is mainly used in refractories.

(PDF) Mineral processing by-products characterization and ...

Critical Raw Materials availability in the Vourinos mining district is not yet clarified. Platinum Group Elements and Au along with Ga, V and Co might be considered as possible exploration targets.

(PDF) The influence of alteration on the engineering ...

The Vourinos samples principally affected by alteration rather than weathering pro- display lower SE values than those of Pindos, suggesting that a cesses; however the application of the proposed indices to similar higher degree of alteration leads to a higher percentage of fine rock types, which have been influenced by weathering and/or ...

Metallic mineral resources of Greece | SpringerLink

2012-12-8 · Today Greece produces and exports raw bauxite and alumina, concentrates of galena and sphalerite and ferronickel. The indicated reserves of bauxite, located in the Mt Helikon-Mt Parnassus-Mt Giona-Mt Iti zone, are estimated at approximately 100 mt and those of aluminum 2.5 mt. The probable and indicated reserves of lead and zinc from Chalkidiki are …

MINERAL CHEMISTRY AND FORMATION OF AWARUITE …

2017-7-10 · The Vourinos ophiolite complex is located in western Macedonia of northern Greece (Fig. 1). It covers an area of 400 km; 2. dominated by mantle rocks and it constitutes a complete ophiolite sequence with a well-exposed petrologic moho …

A structural approach to the genesis of chrome ores within ...

2020-10-1 · The ultramafic lithologies within the Vourinos ophiolite cover an area of ~ 400 km 2 and contain more than 450 separate chromitite-bearing outcrops (Vrahatis and Grivas, 1980); eight economic- or potentially economic-scale ore districts have been distinguished (Rassios, 2014).The economic scale of targeted ore bodies depends on the methods and costs of …

Konstantinos I. Vatalis Associate Professor

2019-3-13 · Thesis: "Nuovi dati sul complesso ofiolitico di Vourinos Grecia su basi combilative". 2004 Doctor of Environmental Management, Department of Mining Engineering and Metallurgy, National Technical University of Athens, NTUA Greece. Dissertation title: "Environmental data management with GIS use and quality assessment with indices development.

Processes of primary and re-equilibration mineralization affec…

2018-4-1 · The Vourinos ophiolite is a complete ophiolite sequence covering an area of ∼450 km 2, that hosts the largest chromite mining district in Europe rome ore deposits range in size from several millions of tonnes of Xerolivado-Skoumtsa mine …

(PDF) New insights into the mineral chemistry of Au ...

Four chromitite samples from three mining sites of Vourinos chromite mining district were used for this study: Xerolivado-Skoumtsa (2 samples), Aetoraches (1 sample) and Rizo (1 sample). All ...

Osmium: Mineral information, data and localities.

Platinum-group mineral characterisation in concentrates from low-grade PGE chromitites from the Vourinos ophiolite complex, northern Greece. Applied Earth Science: Transactions of the Institutions of Mining and Metallurgy: Section B, 115(2), 49-57.

A High-Resolution Ground Magnetic Survey at Rizo''s ...

Summary The exploitation of chromite ore deposits in Greece is evident by the presence of many abandoned mines. The fresh interest by AKTOR S.A. in chromite ore deposits in Mt. Vourinos, N.Greece, is directly related to the boost in Cr prices controlled by international market trends.

Chromites from Vourinos complex mines and their …

Vourinos complex covers 400 km 2 and in spite of predominating mantle outcrops it shows a full ophiolite sequence with a well exposed petrographic Moho. The crustal sequence comprises mafic and ultramafic cumulates, gabbro, dykes, some pillow lavas and a …

Metallic Mineral Resources of Greece

2020-6-11 · The projects of the mining companies in Greece vary de-pending on their size, the product range, the ambitions of owners, etc. During recent years the profile of the indus-try began to change rapidly through mergers, acquisitions and funding according to the listing in the stock markets. However most of the mining companies need to establish

NEW MINERAL NAMESX Jorrn L. J.ql{non

2007-8-29 · and Vourinos ophiolitic complexes: Genetic implica-tions. Can. Mineral., 26, 177-192. In the Ti6baghi massif, New Caledonia, dunite contains platinum-group minerals (PGM) as inclusions in chromite and chromian spinel. Grains of the PGM are I to 20 pm in largest dimension and average about 5 pm. Electron-

Micol Bussolesi

Thesis: "The chromite-mining district of Vourinos, Greece: a comparative study of the main mineralizations" [Il distretto minerario a cromite di Vourinos, Grecia: studio comparato delle principali mineralizzazioni]

Distribution of platinum-group minerals in ophiolitic ...

2018-11-17 · Distribution of platinum-group minerals in ophiolitic chromitites Jose ´Marıa Gonzalez-Jimenez*1, Fernando Gervilla1, Joaquı´n A. Proenza2, Thierry Auge´3 and Thomas Kerestedjian4 This paper reviews the distribution of platinum …

OPEN ACCESS minerals

2016-1-23 · Mining has been part of the Greek civilization since prehistoric times, when Greeks began extracting non-metallic minerals and metals for use. ... Vourinos Cr PGE Xerolivado Cr PGE Milia Cr PGE (Os, Ir, Ru) Korydallos Cr PGE (Pt, Pd, Ru, Rh) Evia Eretria Cr – Othrys Domokos Cr – ...

Major and minor element geochemistry of chromite from …

2016-6-1 · The Vourinos Complex in northern Greece is a mid-Jurassic ophiolitic slab emplaced onto the Pelagonian continental margin during the upper Jurassic: its emplacement, long considered a "type" obduction process (Zimmerman, 1968, Zimmerman, 1969), was toward the east (Smith and Rassios, 2003), over the Pelagonian Margin, creating a sedimentary ...

Erlichmanite: Mineral information, data and localities.

Platinum-group mineral characterisation in concentrates from low-grade PGE chromitites from the Vourinos ophiolite complex, northern Greece. Applied Earth Science: Transactions of the Institutions of Mining and Metallurgy: Section B, 115(2), 49-57.

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