Lamprophyre Dyke - Helford River (S20)

A Dyke of Igneous rock intruded into the Sandstone/ Grey Slates of the Portscatho Formation , on the Northern bank of the Helford River.
Lamprophyre is a hydrothermally altered ,fine-medium grained , reddish brown rock intruded at or just before the main period of Granite Intrusion, a type of Rock found in Cornwall and Devon.
---------------------------
Location - South of Mawnan Church - Mouth of Helford River in section 20.
The Dyke is to the east of Shag Rock - between Parson's Beach and Rosemullion Beach .
Ref:
3440
Date:
2016-06-08 00:00:00.0
Location:
SW 7911 2719
Photographer:

Lamprophyre Dyke - Helford River (S20)

A Dyke of Igneous rock intruded into the Sandstone/ Grey Slates of the Portscatho Formation , on the Northern bank of the Helford River.
Lamprophyre is a hydrothermally altered ,fine-medium grained , reddish brown rock intruded at or just before the main period of Granite Intrusion, a type of Rock found in Cornwall and Devon.
---------------------------
Location - South of Mawnan Church - Mouth of Helford River in section 20.
The Dyke is to the east of Shag Rock - between Parson's Beach and Rosemullion Beach .
Ref:
3440
Date:
2016-06-08 00:00:00.0
Location:
SW 7911 2719
Photographer: