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  • Estonia (50 entries)
Sulphide and graphite-rich gneiss
Sulphide and graphite-rich gneiss by Sophie Graul
Calcite vein associated with biotite and pyrrhotite in Svecofennian marble, Precambrian basement of Estonia
Calcite vein associated with biotite and pyrrhotite in Svecofennian marble, Precambrian basement of Estonia by Sophie Graul
Contact aureole between tonalitic melt and diopside marble, Precambrian basement of Estonia
Contact aureole between tonalitic melt and diopside marble, Precambrian basement of Estonia by Sophie Graul
Sheared and rotated almandine garnet in Precambrian gneiss from Estonia
Sheared and rotated almandine garnet in Precambrian gneiss from Estonia by Sophie Graul
Deformed pyrrhotite associated with graphite in Estonian Precambrian gneisses
Deformed pyrrhotite associated with graphite in Estonian Precambrian gneisses by Sophie Graul
Cross section of shelly phosphorite from Ülgase, Estonia
Cross section of shelly phosphorite from Ülgase, Estonia by Sophie Graul
Cross-section of a brachiopod from the shelly phosphorite of Estonia, former Ülgase mine
Cross-section of a brachiopod from the shelly phosphorite of Estonia, former Ülgase mine by Sophie Graul
Garnet with sulphide inclusions in a Precambrian biotite gneiss from the Alutaguse zone, East Estonia.
Garnet with sulphide inclusions in a Precambrian biotite gneiss from the Alutaguse zone, East Estonia. by Sophie Graul
Micro textures of Estonian shelly phsophorites
Micro textures of Estonian shelly phsophorites 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
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
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
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