Shelly phosphorite from the Aseri deposit, Estonia.

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Sophie Graul
Tallinn University of Technology, Tallinn, Estonia and France

Shelly phosphorite from the Aseri deposit, Estonia.

Shell fragments display different degrees of alteration, up to the degradation of the apatite (right corner).
Dark laminae correspond to layers that originally contained organic matter and are often rich in pyrite.

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Type Image Format JPG Size 2.8 MB Width 2560 px Height 1920 px Aspect 4:3 Taken 2023 Coordinates 59.4975, 26.5714 Tint Dark gray Submitted 2 June 2024

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