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Ordovician

Ordovician

19 items

Cross section of shelly phosphorite from Ülgase, Estonia — Cross section of shelly phosphorite from Ülgase, Estonia 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 Sophie Graul

Eclogite from la Compointrie, Les Essarts complex, Vendée, France. — Eclogite from la Compointrie, Les Essarts complex, Vendée, France. Sophie Graul

Section of a drillcore containing Tremadocian black-shale — Section of a drillcore containing Tremadocian black-shale Sophie Graul

Shelly phosphorites from the Aseri deposit. — Shelly phosphorites from the Aseri deposit. 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. 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. Sophie Graul

Shelly phosphorite from the Aseri deposit, Estonia. — Shelly phosphorite from the Aseri deposit, Estonia. Sophie Graul

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

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

Carbonate-cemented shelly phosphorite — Carbonate-cemented shelly phosphorite Sophie Graul

Microphotograph of a calcite geode found in a glendonite structure — Microphotograph of a calcite geode found in a glendonite structure Sophie Graul

Shelly phosphorite drill core — Shelly phosphorite drill core Sophie Graul

Estonian shelly phosphorites — Estonian shelly phosphorites Sophie Graul

Glendonite's insides 2 — Glendonite's insides 2 Sophie Graul

Glendonite's insides — Glendonite's insides Sophie Graul

Calcite and oxides inside a glendonite masse — Calcite and oxides inside a glendonite masse Sophie Graul

Iridescent shelly phosphorite from Estonia — Iridescent shelly phosphorite from Estonia Sophie Graul

Senhora do Salto Fold — Senhora do Salto Fold Nuno Correia

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