BGS mineralogy and petrology collection record

Sample number E49574; E49574/A; E49574/B; COLLNODAN1444;
Sample Donor Dangerfield,J.; Hawkes,J.R.;
Rock name Not entered
Stratigraphy Not entered
Comments Poorly megacrystic granite.
Locality details Crag on Portheras cliff above W. end of Portheras Cove, 1.50 Km. bearing 272 deg from Morvah Church.
50k map sheet Penzance (351)

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Map reference SW 3875 3553
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


E49574/A

Cross Polarized, E49574/A

Plane Polarized, E49574/A

Plane Polarized, E49574/A


E49574/B

Cross Polarized, E49574/B

Plane Polarized, E49574/B

Plane Polarized, E49574/B