BGS mineralogy and petrology collection record

Sample number E53271; E53271/A; E53271/B; MR34536; ELABNO2856;
Sample Donor Dangerfield,J.; Hawkes,J.R.; Wheatley, C.W.;
Rock name 'Original entry: Granite'
Stratigraphy Not entered
Comments Granite, small megacryst variant.
Locality details Brown Willy, 3.80Km. At 322 deg. From The Jamaica Inn, Bolventor.
50k map sheet Camelford (336)

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Map reference SX 1590 7980
Year collected 1979 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E53271/A

Cross Polarized, E53271/A

Plane Polarized, E53271/A

Plane Polarized, E53271/A


E53271/B

Cross Polarized, E53271/B

Plane Polarized, E53271/B

Plane Polarized, E53271/B