BGS mineralogy and petrology collection record

Sample number E30963; COLLNOFC31;
Sample Donor Freshney,E.C.
Rock name Minette. 'Original entry: Minette'
Stratigraphy Not entered
Comments Lava breccia containing tuff fragments.
Locality details E wall, Hannaborough Quarry, 100 Yds. NW. of Hannaborough Farm.
50k map sheet Okehampton (324)

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Map reference SS 529 029
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


E30963

Cross Polarized, E30963

Plane Polarized, E30963

Plane Polarized, E30963