Calcite and oxides inside a glendonite masse
by Sophie Graul, Tallinn University of Technology, Tallinn, Estonia and France
Details of calcite, goethite, hematite and pyrite crystallisation in a micro-geode formed in a glendonite. Glendonites are found in Lower Ordovician (485,4- 477,7 Ma) black shale formations in Estonia.
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Location
- Europe (3777)
- Northern Europe (905)
- Estonia (43)
- Exact location (27.7579 E, 59.3662 N)
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2232 × 1280 px;
image/jpeg; 2.0 MB
Taken on 19
October
2022
Submitted on 18 March 2024
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Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported (CC BY-NC-ND 3.0)
Credit
Sophie Graul (distributed via imaggeo.egu.eu)
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