BGS mineralogy and petrology collection record

Sample number E30965; COLLNOMW10;
Sample Donor Williams,M.
Rock name 'Original entry: Altered Porphyritic Olivine Basalt'
Stratigraphy Not entered
Comments Not entered
Locality details Exposure beneath W. building of farm, 200 Yds. WNW. of Knowle Chapel, Knowle.
50k map sheet Okehampton (324)

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Map reference SS 782 015
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


E30965

Cross Polarized, E30965

Plane Polarized, E30965

Plane Polarized, E30965