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  • Petrology (37 entries)
Blue schist from the Isle of Groix
Blue schist from the Isle of Groix by Sophie Graul
Blue schist sample from the Isle of Groix with ferroglaucophane
Blue schist sample from the Isle of Groix with ferroglaucophane by Sophie Graul
Blue schist sample from the Isle of Groix with ferroglaucophane
Blue schist sample from the Isle of Groix with ferroglaucophane by Sophie Graul
Blue schist from the Isle of Groix
Blue schist from the Isle of Groix by Sophie Graul
Layers of muscovite in a pegmatite vein
Layers of muscovite in a pegmatite vein by Sophie Graul
Epidote in blueschist
Epidote in blueschist by Sophie Graul
Details of blueschists
Details of blueschists by Sophie Graul
Feldspars in a larvikite
Feldspars in a larvikite by Sophie Graul
Feldspars in a larvikite
Feldspars in a larvikite by Sophie Graul
Graphite in a contact zone between a pegmatitic dyke and a amphibolite
Graphite in a contact zone between a pegmatitic dyke and a amphibolite by Sophie Graul
Almandines in a migmatite paragneiss from West Finland
Almandines in a migmatite paragneiss from West Finland by Sophie Graul
Sillimanite needles in a quartzite
Sillimanite needles in a quartzite by Sophie Graul
Rapakivi granite with typical round orthoclase crystals with oligoclase rims, Finland
Rapakivi granite with typical round orthoclase crystals with oligoclase rims, Finland by Sophie Graul
Migmatite 'sigmoid' in garnet-paragneiss
Migmatite 'sigmoid' in garnet-paragneiss by Sophie Graul
Metamorphic complex with amphibolite enclaves crossed by two generations of granitic veins
Metamorphic complex with amphibolite enclaves crossed by two generations of granitic veins by Sophie Graul
Amphibolite enclaves crossed by two generations of granitic veins
Amphibolite enclaves crossed by two generations of granitic veins by Sophie Graul
Close-up of hornblendes crystals in stretched amphibolite enclave
Close-up of hornblendes crystals in stretched amphibolite enclave by Sophie Graul
Detail of K-feldspars pegmatite-like vein on the Kopparnäs coastline, Finland.
Detail of K-feldspars pegmatite-like vein on the Kopparnäs coastline, Finland. by Sophie Graul
The outcrop of G3-granite
The outcrop of G3-granite by Metwally Hamza
Baby Dino Bubbles in Quartz
Baby Dino Bubbles in Quartz by Cennet Ulukavak
God's eye in desert.
God's eye in desert. by Mohammad Goudarzi
A geologist poisonous snake
A geologist poisonous snake by Mohammad Goudarzi
G2-granite hand sample taken from its incubating mountain
G2-granite hand sample taken from its incubating mountain by Metwally Hamza
A hand sample of ferruginous sandstone
A hand sample of ferruginous sandstone by Metwally Hamza
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