Sheared and rotated almandine garnet in Precambrian gneiss from Estonia
Sophie Graul
Tallinn University of Technology, Tallinn, Estonia and France
Microphotograph presents an almandine garnet with biotite inclusions. Deformation indicates significant shearing, and the lower part has been dissolved due to a micro-fault.
Host rock is a biotite-graphite gneiss located in Uljaste, Alutaguse province, East Estonia; and related to the Svecofennian oreogenic system.
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
3.5 MB
Width
2560 px
Height
1920 px
Aspect
4:3
Taken
15 April 2026
Coordinates
59.3717, 26.7453
Tint
Dark purplish gray
Submitted
6 May 2026
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