Large Feldspar Crystals / Porthgwarra (S13)

The rocks at Porthgwarra Cove show Granites with Large Feldspar Crystals.
When the molten magma cooled , 300 - 270 Million Years ago , crystallisation took place very slowly forming coarse grained rocks with large crystals (Phenocrysts).
---------------------------------
Porthgwarra is South of Lands End in Section / Gallery 13
Ref:
4302
Date:
2016-10-16 00:00:00.0
Location:
SW 371 216
Photographer:

Large Feldspar Crystals / Porthgwarra (S13)

The rocks at Porthgwarra Cove show Granites with Large Feldspar Crystals.
When the molten magma cooled , 300 - 270 Million Years ago , crystallisation took place very slowly forming coarse grained rocks with large crystals (Phenocrysts).
---------------------------------
Porthgwarra is South of Lands End in Section / Gallery 13
Ref:
4302
Date:
2016-10-16 00:00:00.0
Location:
SW 371 216
Photographer: