BGS mineralogy and petrology collection record

Sample number E30944; COLLNOKB215;
Sample Donor Beer,K.E.
Rock name 'Original entry: Altered Porphyritic Olivine Basalt'
Stratigraphy Not entered
Comments Top of flow ?
Locality details Float near old quarry, 500 Yds. E. 38 deg. N. of North Tawton Station.
50k map sheet Okehampton (324)

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Map reference SS 670 003
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


E30944

Cross Polarized, E30944

Plane Polarized, E30944

Plane Polarized, E30944