BGS mineralogy and petrology collection record

Sample number E49615; E49615/A; E49615/B; MR33083; COLLNODAN1536;
Sample Donor Dangerfield,J.; Hawkes,J.R.;
Rock name Not entered
Stratigraphy Not entered
Comments Megacrystic granite.
Locality details Carn Cravah, 1.6 Km. bearing 190 deg from Sennen Church.
50k map sheet Penzance (358)

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Map reference SW 3544 2382
Year collected 1976 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E49615/A

Cross Polarized, E49615/A

Plane Polarized, E49615/A

Plane Polarized, E49615/A


E49615/B

Cross Polarized, E49615/B

Plane Polarized, E49615/B

Plane Polarized, E49615/B