Pyritised shell fragment from the Toolse phosphorite deposit, Estonia
Sophie Graul
Tallinn University of Technology, Tallinn, Estonia and France
Pyritised shell fragment from the phosphorite of the Toolse deposit.
Suujõgi Member, Kallavere Formation, Tremadocian.
The breakdown of organic matter and the desorption of Fe-oxyhydroxides in anoxic conditions lead to the formation of micropyrites covering the shells, or within laminae initially rich in organic compounds.
Reuse
Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported (CC BY-NC-ND 3.0) (opens in a new window)Credit: Sophie Graul (distributed via imaggeo.egu.eu)
Properties
Type
Image
Format
JPG
Size
2.8 MB
Aspect
3488:1143
Width
3488 px
Height
1143 px
Panorama
Coordinates
59.5244, 26.3468
Tint
Dark bluish gray
Submitted
31 May 2024
Taken
2021
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