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Precambrian
Precambrian
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Sulphide and graphite-rich gneiss
Sophie Graul
Sheared and rotated almandine garnet in Precambrian gneiss from Estonia
Sophie Graul
Graphite in a contact zone between a pegmatitic dyke and a amphibolite
Sophie Graul
Precambrian garnet from Kopparnäs coastline, Finland.
Sophie Graul
Garnet with sulphide inclusions in a Precambrian biotite gneiss from the Alutaguse zone, East Estonia.
Sophie Graul
Migmatite 'sigmoid' in garnet-paragneiss
Sophie Graul
Metamorphic complex with amphibolite enclaves crossed by two generations of granitic veins
Sophie Graul
Amphibolite enclaves crossed by two generations of granitic veins
Sophie Graul
Ptygmatic fold crossing a mylonite, within a paragneiss.
Sophie Graul
Close-up of hornblendes crystals in stretched amphibolite enclave
Sophie Graul
Example of meta-gabbro/amphibolite enclaves in a granite vein (possible pegmatite texture).
Sophie Graul
Detail of K-feldspars pegmatite-like vein on the Kopparnäs coastline, Finland.
Sophie Graul
Sulphide-bearing gneiss and quartzite from the Estonian Precambrian basement, Alutaguse zone.
Sophie Graul
Sulphide-bearing gneiss and quartzite from the Estonian Precambrian basement
Sophie Graul
Estonian Precambrian garnet
Sophie Graul
Precambrian garnet from Kopparnäs coastline, Finland
Sophie Graul
Precambrian garnet from Kopparnäs coastline, Finland
Sophie Graul
Heartnet, precambrian garnet from Estonia
Sophie Graul
Estonian Precambrian Garnet
Sophie Graul
My favorite fjord - Ersfjord
Vagia Ioanna Makri
Summer growth at Logan Pass
Chiara Arrighi
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