Large Feldspar Crystals / Porthgwarra (S18)
Large Feldspar Crystals / Porthgwarra (S18)

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 Gallery 18

Ref: 4302

Date: 16/10/2016

Location: SW 371 216

Large Feldspar Crystals / Porthgwarra (S18)

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 Gallery 18

Ref: 4302

Date: 16/10/2016

Location: SW 371 216