BGS mineralogy and petrology collection record

Sample number E49540; E49540/A; E49540/B; MR33004; COLLNODAN1396;
Sample Donor Dangerfield,J.; Hawkes,J.R.;
Rock name Not entered
Stratigraphy Not entered
Comments Megacrystic granite, fine granite junction.
Locality details Watch Croft, 550 m. bearing 290 deg from Triangulation point. 826 Ft. on Warch Croft.
50k map sheet Penzance (351)

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Map reference SW 4152 3592
Year collected 1976 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E49540/A

Cross Polarized, E49540/A

Plane Polarized, E49540/A

Plane Polarized, E49540/A


E49540/B

Cross Polarized, E49540/B

Plane Polarized, E49540/B

Plane Polarized, E49540/B