BGS mineralogy and petrology collection record

Sample number S18161
Sample Donor Tait,D.
Rock name 'Original entry: Subvariolitic Feldspar-Porphyritic Basalt'
Stratigraphy Not entered
Comments Port Donain Lava Suite, No. 41; Memoir, pp. 121, 147; big-feldspar basalt like S. 14226
Locality details Port Donain - Auchnacraig traverse: No. 41
50k map sheet Mull (44)

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Map reference NM 7375 2992
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


S18161

Cross Polarized, S18161

Plane Polarized, S18161

Plane Polarized, S18161