BGS mineralogy and petrology collection record

Sample number S16740
Sample Donor Wilson, J.S.G.
Rock name 'Original entry: Porphyritic Basalt Or Dolerite'
Stratigraphy Not entered
Comments Lava, cf. Pillow-lava Type; (non-variolitic), Central type; Memoir, p. 148
Locality details 2800 ft NE of Glenbyre, on coast
50k map sheet Mull (44)

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Map reference NM 5904 2404
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


S16740

Cross Polarized, S16740

Plane Polarized, S16740

Plane Polarized, S16740