BGS mineralogy and petrology collection record

Sample number S16637
Sample Donor Richey, James E.
Rock name 'Original entry: Porphyritic Feldspar Basalt'
Stratigraphy Not entered
Comments Sheet, 5 ft; Memoir, p. 290
Locality details 700 yds NNW of spot ht 1789 ft Beinn Fhada
50k map sheet Mull (44)

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Map reference NM 5250 3665
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


S16637

Cross Polarized, S16637

Plane Polarized, S16637

Plane Polarized, S16637