BGS mineralogy and petrology collection record

Sample number S14889
Sample Donor Lightfoot, B.
Rock name 'Original entry: Porphyritic Basalt'
Stratigraphy Not entered
Comments E-W dyke; Memoir, p. 370
Locality details Shore 200 yds SW of Aird Ghlas
50k map sheet Mull (44)

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Map reference NM 5323 2099
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


S14889

Cross Polarized, S14889

Plane Polarized, S14889

Plane Polarized, S14889