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  • Precambrian (19 entries)
Graphite in a contact zone between a pegmatitic dyke and a amphibolite
Graphite in a contact zone between a pegmatitic dyke and a amphibolite by Sophie Graul
Precambrian garnet from Kopparnäs coastline, Finland.
Precambrian garnet from Kopparnäs coastline, Finland. by Sophie Graul
Garnet with sulphide inclusions in a Precambrian biotite gneiss from the Alutaguse zone, East Estonia.
Garnet with sulphide inclusions in a Precambrian biotite gneiss from the Alutaguse zone, East Estonia. by Sophie Graul
Migmatite 'sigmoid' in garnet-paragneiss
Migmatite 'sigmoid' in garnet-paragneiss by Sophie Graul
Metamorphic complex with amphibolite enclaves crossed by two generations of granitic veins
Metamorphic complex with amphibolite enclaves crossed by two generations of granitic veins by Sophie Graul
Amphibolite enclaves crossed by two generations of granitic veins
Amphibolite enclaves crossed by two generations of granitic veins by Sophie Graul
Ptygmatic fold crossing a mylonite, within a paragneiss.
Ptygmatic fold crossing a mylonite, within a paragneiss. by Sophie Graul
Close-up of hornblendes crystals in stretched amphibolite enclave
Close-up of hornblendes crystals in stretched amphibolite enclave by Sophie Graul
Example of meta-gabbro/amphibolite enclaves in a granite vein (possible pegmatite texture).
Example of meta-gabbro/amphibolite enclaves in a granite vein (possible pegmatite texture). by Sophie Graul
Detail of K-feldspars pegmatite-like vein on the Kopparnäs coastline, Finland.
Detail of K-feldspars pegmatite-like vein on the Kopparnäs coastline, Finland. by Sophie Graul
Sulphide-bearing gneiss and quartzite from the Estonian Precambrian basement, Alutaguse zone.
Sulphide-bearing gneiss and quartzite from the Estonian Precambrian basement, Alutaguse zone. by Sophie Graul
Sulphide-bearing gneiss and quartzite from the Estonian Precambrian basement
Sulphide-bearing gneiss and quartzite from the Estonian Precambrian basement by Sophie Graul
Estonian Precambrian garnet
Estonian Precambrian garnet by Sophie Graul
Precambrian garnet from Kopparnäs coastline, Finland
Precambrian garnet from Kopparnäs coastline, Finland by Sophie Graul
Precambrian garnet from Kopparnäs coastline, Finland
Precambrian garnet from Kopparnäs coastline, Finland by Sophie Graul
Heartnet, precambrian garnet from Estonia
Heartnet, precambrian garnet from Estonia by Sophie Graul
Estonian Precambrian Garnet
Estonian Precambrian Garnet by Sophie Graul
My favorite fjord - Ersfjord
My favorite fjord - Ersfjord by Vagia Ioanna Makri
Summer growth at Logan Pass
Summer growth at Logan Pass by Chiara Arrighi
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