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Metagabbro from the Guil Valley, Queyras, Briançon, Hautes-Alpes, France.
Metagabbro from the Guil Valley, Queyras, Briançon, Hautes-Alpes, France. by Sophie Graul
Ni ore from thre former Hitura mine, Finland
Ni ore from thre former Hitura mine, Finland by Sophie Graul
Amethyst vein from Pégut, Auvergne, France
Amethyst vein from Pégut, Auvergne, France by Sophie Graul
Example of a "twisted" fold from the Cap de Creus, Spain.
Example of a "twisted" fold from the Cap de Creus, Spain. by Sophie Graul
Eclogite from la Compointrie, Les Essarts complex, Vendée, France.
Eclogite from la Compointrie, Les Essarts complex, Vendée, France. 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
Ptygmatic fold crossing a mylonite, within a paragneiss.
Ptygmatic fold crossing a mylonite, within a paragneiss. by Sophie Graul
Close-up of hornblendes crystals in stretched amphibolite enclave
Close-up of hornblendes crystals in stretched amphibolite enclave by Sophie Graul
Example of meta-gabbro/amphibolite enclaves in a granite vein (possible pegmatite texture).
Example of meta-gabbro/amphibolite enclaves in a granite vein (possible pegmatite texture). 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
Sulphide-bearing gneiss and quartzite from the Estonian Precambrian basement, Alutaguse zone.
Sulphide-bearing gneiss and quartzite from the Estonian Precambrian basement, Alutaguse zone. by Sophie Graul
Section of a drillcore containing Tremadocian black-shale
Section of a drillcore containing Tremadocian black-shale by Sophie Graul
Shelly phosphorites from the Aseri deposit.
Shelly phosphorites from the Aseri deposit. by Sophie Graul
Thin section in PPL of shelly phosphorite from the Ülgase deposit, Estonia.
Thin section in PPL of shelly phosphorite from the Ülgase deposit, Estonia. by Sophie Graul
Thin section in PPL of shelly phosphorite from the Ülgase deposit, Estonia.
Thin section in PPL of shelly phosphorite from the Ülgase deposit, Estonia. by Sophie Graul
Shelly phosphorite from the Aseri deposit, Estonia.
Shelly phosphorite from the Aseri deposit, Estonia. by Sophie Graul
Pyritised brachiopod shell fragment from the Toolse phosphorite deposit, Estonia.
Pyritised brachiopod shell fragment from the Toolse phosphorite deposit, Estonia. by Sophie Graul
Pyritised brachiopod shell fragment from the Toolse phosphorite deposit, Estonia.
Pyritised brachiopod shell fragment from the Toolse phosphorite deposit, Estonia. by Sophie Graul
Carbonate-cemented shelly phosphorite
Carbonate-cemented shelly phosphorite by Sophie Graul
Microphotograph of a calcite geode found in a glendonite structure
Microphotograph of a calcite geode found in a glendonite structure by Sophie Graul
Shelly phosphorite drill core
Shelly phosphorite drill core by Sophie Graul
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