BGS mineralogy and petrology collection record

Sample number S17158
Sample Donor Richey, James E.
Rock name 'Original entry: Porphyritic And Variolitic Basalt'
Stratigraphy Not entered
Comments "Concretion in basalt sheet"; Ben More Suite; Memoir, p. 290
Locality details 1500 yds W 35 deg N of summit of Ben More
50k map sheet Mull (44)

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Map reference NM 5139 3396
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


S17158

Cross Polarized, S17158

Plane Polarized, S17158

Plane Polarized, S17158