BGS mineralogy and petrology collection record

Sample number E49620; E49620/A; E49620/B; COLLNODAN1549;
Sample Donor Dangerfield,J.; Hawkes,J.R.;
Rock name Not entered
Stratigraphy Not entered
Comments Fine granite, megacryst poor.
Locality details Old quarry near Poljigga, 1.4 Km. bearing 340 deg from St. Levan Church.
50k map sheet Penzance (358)

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Map reference SW 3757 2356
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


E49620/A

Cross Polarized, E49620/A

Plane Polarized, E49620/A

Plane Polarized, E49620/A


E49620/B

Cross Polarized, E49620/B

Plane Polarized, E49620/B

Plane Polarized, E49620/B