West Cornwall - Geology
Xenolith - Tremearne Cliff (S21)
Near the Granite Sills is this Granite Boulder containing the remains of country rocks ( Mylor Slates) ,
partially absorbed into hot liquid Magma of the Granite intrusion .
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Location - West of Porthleven In Gallery 21
Ref: 787
Date: 19/01/2015
Location: SW 6087 2660