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May 2019 - Cornwall
Long weekend field meeting in West Cornwall
Leaders: Dr Robin Shail and Prof Peter Scott
Coverack
Studiously taking notes!

Rinsey Cove
Contact between Mylor Slates and Godolphin granite. Robin Shail our leader is 4th from right.

Rinsey Cove
Mylor slate, Robin Shail pointing out a fault

Rinsey Cove
Robin Shail explaining white granite veining in the dark Mylor slate

Rinsey Cove
Foliated Mylor slate with light granite intrusion

Wheal Prosper engine house (1860) at Rinsey Cove

Loe Bar: granite post
Showing lovely magma emplacement (provenence unknown)

Loe Bar
Layers resulting from thrust in one direction followed by thrust in another direction

Granite tor on top of Carn Brea
A contemplative group of geologists consider granite emplacement and mineralisation

Cambourne
United Downs Deep Geothermal Energy Project

Coverack
Studiously taking notes!

Coverack
Basalt dyke in gabbro - plutonic (not volcanic)

Coverack
'Lizard skin' rock - lightly serpentinised peridotite crust

Priest's Cove, Cape Cornwall
Robin Shail in lecturer mode

Priest's Cove, Cape Cornwall
Coarse biotite granite boulder with large feldspar crystals

Priest's Cove, Cape Cornwall
Saveall's Lode mine entrance at junction of slate and granite

Engine houses of Levant Mine
Workings extended westward under the sea for one km and worked tin and copper

Botallack
Sitting in upper Crowns engine house

Chapel Porth beach
Waders returning from beach level adit below Wheal Coates tin mine

Chapel Porth beach
Lunchtime

Cligga Head nr Perranporth
Prof Peter Scott showing Greisen formation.