BGS mineralogy and petrology collection record

Sample number E57222
Sample Donor Dangerfield,J.; Hawkes,J.R.; Wheatley, C.W.;
Rock name 'Original entry: Porphyritic Volcanic Rock'
Stratigraphy Not entered
Comments Quartz porphyry (margin).
Locality details Drainage trench, 4.05 Km. at 0.74 deg. from Warleggan Church.
50k map sheet Camelford (336)

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Map reference SX 1960 7024
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E57222

Cross Polarized, E57222

Plane Polarized, E57222

Plane Polarized, E57222