Pillow Lava / Gurnard's Head (S11)

At the end of Gurnard's Head some exposed Pillow Lava can be found.
The Headland is composed of Greenstone .
The Pillow Lava is volcanic basaltic rock which erupted and cooled under water (370mya).
Later (290mya) the volcanic basaltic rock near the granite intrusion was changed by heat /pressure into a hard dark rock , known locally as Greenstone
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Location - Gunard's Head is West of St Ives , near Treen - In Gallery / Section 11
Ref:
1220
Date:
2015-04-19 00:00:00.0
Location:
SW 4319.3870
Photographer:

Pillow Lava / Gurnard's Head (S11)

At the end of Gurnard's Head some exposed Pillow Lava can be found.
The Headland is composed of Greenstone .
The Pillow Lava is volcanic basaltic rock which erupted and cooled under water (370mya).
Later (290mya) the volcanic basaltic rock near the granite intrusion was changed by heat /pressure into a hard dark rock , known locally as Greenstone
-----------------------------
Location - Gunard's Head is West of St Ives , near Treen - In Gallery / Section 11
Ref:
1220
Date:
2015-04-19 00:00:00.0
Location:
SW 4319.3870
Photographer: