Lamprophyre Dyke - Holywell Bay (S8)

On the northern side of Holywell Bay is a 2 to 3 m wide Lamprophyre Dyke , intruded into one of a series extensional fault zones within the Meadfoot Group Slates.
Lamprophyre is a hydrothermally altered reddish brown rock intruded at or just before the main period of Granite Intrusion, a type of Rock found in Cornwall and Devon.
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Holywell is between Perranporth and Newquay in Section / Gallery 8
Ref:
4604
Date:
2017-03-31 00:00:00.0
Location:
SW 7669 5988
Photographer:

Lamprophyre Dyke - Holywell Bay (S8)

On the northern side of Holywell Bay is a 2 to 3 m wide Lamprophyre Dyke , intruded into one of a series extensional fault zones within the Meadfoot Group Slates.
Lamprophyre is a hydrothermally altered reddish brown rock intruded at or just before the main period of Granite Intrusion, a type of Rock found in Cornwall and Devon.
----------------------------------
Holywell is between Perranporth and Newquay in Section / Gallery 8
Ref:
4604
Date:
2017-03-31 00:00:00.0
Location:
SW 7669 5988
Photographer: