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Sophie Graul (78 entries)

Sophie Graul

Tallinn University of Technology, Tallinn, Estonia and France

Imaggeo member since 2024

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

Pyritised brachiopod shell from Aseri phosphorite deposit — Pyritised brachiopod shell from Aseri phosphorite deposit by Sophie Graul

Hydrothermal fluorite from La Barre, France — Hydrothermal fluorite from La Barre, France by Sophie Graul

Pyritised shell fragment from the Toolse phosphorite deposit, Estonia — Pyritised shell fragment from the Toolse phosphorite deposit, Estonia by Sophie Graul

Iron-rich shelly phosphorite, Estonia — Iron-rich shelly phosphorite, Estonia by Sophie Graul

Iron-rich shell fragment cemented by carbonate from the Kabala phosphorite deposit, Estonia — Iron-rich shell fragment cemented by carbonate from the Kabala phosphorite deposit, Estonia by Sophie Graul

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