BGS mineralogy and petrology collection record

Sample number E17305; MR15443; COLLNOTJ1318;
Sample Donor Jones,T.G.
Rock name Minette. 'Original entry: Biotite Trachyte'
Stratigraphy Not entered
Comments Minette
Locality details Quarry near summit of Dolbury Hill, Killerton
50k map sheet Exeter (325)

View images in GeoScenic related to 'Exeter'

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Map reference SS 974 005
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


E17305

Cross Polarized, E17305

Plane Polarized, E17305

Plane Polarized, E17305