Peridotites of the Ronda Ultramafic Massif at the Sierra Bermeja de Estepona, showing the Los Reales summit (Málaga, Spain).
View northwards from the Ronda Ultramafic Massif, showing the overlying metapelitic sequence (the Jubrique Unit) and the calcareous materials of the Betic Dorsal. The small white villages, from west to east are: Gaucín, Algatocín, and Benalauría (Málaga, Spain).
Northern contact of the Ronda Ultramafic Massif in the Fuentefría area (south of the Ronda City). In this area the peridotites overthrust and partly metamorphose the Las Nieves calcareous Unit (Málaga, Spain).
Garnet peridotite from the Ronda Ultramafic Massif (Málaga, Spain).
Stretching lineation of orthopyroxene on the foliation plane of the garnet-spinel mylonites located at the northern contact of the Ronda Ultramafic Massif (Málaga, Spain).
Deformed and boudinated layers of garnet and corundum pyroxenites hosted by the garnet-spinel mylonites located at the northern contact of the Ronda Ultramafic Massif (Málaga, Spain).
Sequence of layers of garnet and corundum pyroxenites hosted by the garnet-spinel mylonites located at the northern contact of the Ronda Ultramafic Massif (Málaga, Spain).
Garnet pyroxenites hosted by the garnet-spinel mylonites located at the northern contact of the Ronda Ultramafic Massif (Málaga, Spain).
Spinel tectonites from the Ronda Ultramafic Massif (Málaga, Spain).
Granular peridotites from the Ronda Ultramafic Massif (Málaga, Spain).
Clinopyroxene-bearing dunite from the Arroyo de la Cala area in the Ronda Ultramafic Massif (Málaga, Spain).
Clinopyroxene-free dunite from the Arroyo de la Cala area in the Ronda Ultramafic Massif (Málaga, Spain).
Alternating Al-rich and Cr-rich pyroxenite layers in the proximity of the Recrystallization Front of the Ronda Ultramafic Massif (Málaga, Spain).
Partially melted pyroxenite located close to the Recrystallization Front of the Ronda Ultramafic Massif (Málaga, Spain).
Cr-rich pyroxenite from the Ronda Ultramafic Massif (Málaga, Spain).
Cr-rich pyroxenite from the Ronda Ultramafic Massif (Málaga, Spain).
Banded peridotites and pyroxenites in the Arroyo de la Cala area. Ronda Ultramafic Massif (Málaga, Spain).
Folded spinel-rich layers from the Arroyo de la Cala area. Ronda Ultramafic Massif (Málaga, Spain).
Chromitite veinlets (containing minor Ni arsenides) cross-cutting residual peridotites in the Arroyo de la Cala occurrence. Ronda Ultramafic Massif (Málaga, Spain).
Chromitite veinlets (containing minor Ni arsenides) cross-cutting residual peridotites in the Arroyo de la Cala occurrence. Ronda Ultramafic Massif (Málaga, Spain).
Close up of a chromitite vein from the the Arroyo de la Cala occurrence containing orthopyroxenite. Note the gradual contact between orthopyroxenite and host chromitite. Ronda Ultramafic Massif (Málaga, Spain).
Chrysotile veinlets with some magnetite (center of the veins) cross-cutting peridotites nearby a fault zone in the Ronda Ultramafic Massif (Málaga, Spain)
Chrysotile veinlets with some magnetite (center of the veins) cross-cutting peridotites nearby a fault zone in the Ronda Ultramafic Massif (Málaga, Spain)
Chromitite veinlet from the Arroyo de los Caballos (ACA), located in the Ojén Ultramafic Massif (Málaga, Spain).
Chromitite pod from the Arroyo de los Caballos (CAB), located in the Ojén Ultramafic Massif (Málaga, Spain).
Chromitite pod from the Arroyo de los Caballos (CAB), located in the Ojén Ultramafic Massif (Málaga, Spain).
Entrance of the La Gallega mine. Ojén Ultramafic Massif (Málaga, Spain).
Chromite-nickeline+cordierite vein in the La Gallega Mine. Ojén Ultramafic Massif (Málaga, Spain).
Thin chromite-nickelite layers hosted by a cordierite vein in the La Gallega mine. Ojén Ultramafic Massif (Málaga, Spain).
Deformed magnetite layers in marbles of the El Robledal mine (El Cañuelo area). The mine is located at the contact between the Ronda Ultramafic Massif and the Las Nieves Unit (Málaga, Spain)
Magnetite aggregates in a brucite groundmass in the El Robledal mine (El Cañuelo area). The mine is located at the contact between the Ronda Ultramafic Massif and the Las Nieves Unit (Málaga, Spain)
Isoclinaly folded garnet pyroxenite from the Beni Bousera Ultramafic massif (north Morocco)
Sampling a graphitied-bearing, garnet pyroxenite in the Beni Bousera Ultramafic massif (north Morocco)
Sampling in the Amasined sulfide-graphite orebody in the Beni Bousera Ultramafic massif (north Morocco)
Superimposed layers of continental-flood basalts (Siberian traps) in the Norilsk region (Russia)
“Medvezhy Ruchei” (Bear creek) open pit in the Norilsk region (Russia). Tis mine expoited Ni, Cu and platinum-group elements.
Disseminated Ni-Cu sulfides (droplet-like sulfides) from the “Medvezhy Ruchei” (Bear creek) open pit in the Norilsk region (Russia)
Sulfide (mainly pentlandite and chalcopyrite) vein crosscutting the disseminated Ni-Cu sulfide ore at “Medvezhy Ruchei” (Bear creek) open pit, Norilsk region (Russia)
Magmatic Ni-Cu sulfide layer hosted by black-shales and anhydrite layers in the Komsomolsky Mine, Talnakh (Russia)
Magmatic Ni-Cu sulfide layer hosted by black-shales and anhydrite layers in the Komsomolsky Mine, Talnakh (Russia)
Open pit in the Pechenga Ni-Cu mining district (Kola peninsula, Russia)
Layered gabbros from the bottom of the crustal sequence of the Moa-Baracoa Ophiolitic Complex in eastern Cuba. Quemado del Negro area.
Detailed image of the layered gabbros from the bottom of the crustal sequence of the Moa-Baracoa Ophiolitic Complex in eastern Cuba. Quemado del Negro area.
Outcrop of the chromitite Lens 1 from the Merceditas mine in the Moa-Baracoa Ophiolitic Complex, eastern Cuba
Pillar preserving rests of the chromitite pod exploited in the Amores Mine in the Moa-Baracoa Ophiolitic Complex, eastern Cuba
Antinodular-textured chromitite from the Los Naranjos Mine in the Moa-Baracoa Ophiolitic Complex, eastern Cuba
Antinodular-textured chromitite cut by a dunite layer from the Los Naranjos Mine in the Moa-Baracoa Ophiolitic Complex, eastern Cuba
Brecciated chromitite from the Potosí Mine in the Moa-Baracoa Ophiolitic Complex, eastern Cuba. Brecciation was caused by the injection of a pegmatoid gabbro
Chromite with nodular texture in a troctolitic matrix from the Guillermina mine in the Ophiolitic Complex of Camagüey in Central Cuba.
Stage 1 of the evolution of the Aguablanca open pit (Monesterio, Badajoz, southwest Spain) since the beginning of mining operations in 2003 till the mine closure plans
Stage 2 of the evolution of the Aguablanca open pit (Monesterio, Badajoz, southwest Spain) since the beginning of mining operations in 2003 till the mine closure plans
Stage 3 of the evolution of the Aguablanca open pit (Monesterio, Badajoz, southwest Spain) since the beginning of mining operations in 2003 till the mine closure plans
Stage 4 of the evolution of the Aguablanca open pit (Monesterio, Badajoz, southwest Spain) since the beginning of mining operations in 2003 till the mine closure plans
Outcrop of the mineralized breccia (semimassive Ni-Cu ore) from the Aguablanca open pit (Monesterio, Badajoz, southwest Spain)
Polished sections of the mineralized breccia (semimassive Ni-Cu ore) from the Aguablanca open pit (Monesterio, Badajoz, southwest Spain). Sulfides include fragments of gabbros, pyroxenites and peridotites
Polished section of the Aguablanca gabbro (Monesterio, Badajoz, southwest Spain) containing massive and disseminated aggragates of magmatic sulfides (mainly pyrrhotite and pentlandite)
Polished sections of the disseminated ore from the Aguablanca Ni-Cu deposit (Monesterio, Badajoz, southwest Spain)
Dobromirtsi Ultramafic Massif in the Rhodope Mountains (south Bulgaria)
View of the Yakovitsa Ultramafic Massif from the Kosturino hamlet in the Rhodope Mountains (south Bulgaria)
Golyamo Kamenyane Ultramafic Massif containing several dumps from small chromite and asbestos mines. The village on the top is Golyamo Kamenyane from which the massif takes its name
Folded pyroxenite layer in the metamorphosed peridotites from the Dobromirtsi Ultramafic Massif, Rhodope Mountains (south Bulgaria)
Visiting ancient chromite mines in the Dobromirtsi Ultramafic Massif, Rhodope Mountains (south Bulgaria)
Disseminated chromitite cutting the dunite envelope of the main chromitite pod in the Dobromirtsi Ultramafic Massif, Rhodope Mountains (south Bulgaria)
Disseminated chromitite in dunite from the Dobromirtsi Ultramafic Massif, Rhodope Mountains (south Bulgaria)
Disseminated chromitie in the dunite envelope of the D3 chromitite body in the Dobromirtsi Ultramafic Massif, Rhodope Mountains (south Bulgaria)
Chromitite vein crosscutting the dunite envelope of the D8 chromitite body in the Dobromirtsi Ultramafic Massif, Rhodope Mountains (south Bulgaria)
Disseminated chromite in dunite of the Yakovitsa Ultramafic Massif, Rhodope Mountains (south Bulgaria)
Stretched disseminated chromite in dunite of the Yakovitsa Ultramafic Massif, Rhodope Mountains (south Bulgaria).
Disseminated chromite in dunite showing chlorite (clinochlore) coronae formed by metamorphic reaction of chromite with host olivine. Yakovitsa Ultramafic Massif, Rhodope Mountains (south Bulgaria)
Folded peridotites from the Yakovitsa Ultramafic Massif, Rhodope Mountains (south Bulgaria)
Small, lens-like body of massive chromitite enveloped by dunite from the Yakovitsa Ultramafic Massif, Rhodope Mountains (south Bulgaria)
Rest of old mining infrastructure in the Madan mining distric. South Bulgaria.
The Bou Azzed village and mine (Morocco)
The Bou Azzer Mine (Morocco)
Co-Fe arsenide ore made up of skutterudite and loellingite associated to calcite from the Filon 7/5 vein in the Bou Azzer mine (Morocco)
Serpentinite outcrop near the Aghbar East Mine in the Bou Azzer mining district (Morocco)
Sampling the Filon 55 vein made up of löllingite and calcite, in the Aït Ahmane area of the Bou Azzer mining district (Morocco)
Sampling unremoved Co-Fe arsenide ores from the already mined Filon 56 vein in the Aït Ahmane area of the Bou Azzer mining district (Morocco)
