BGS mineralogy and petrology collection record

Sample number S17973
Sample Donor Richey, James E.
Rock name 'Original entry: Andesite'
Stratigraphy Not entered
Comments ?Andesite ?lava
Locality details 280 yds ESE of summit 1939 ft Beinn a' Ghraig
50k map sheet Mull (44)

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Map reference NM 5436 3712
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


S17973

Cross Polarized, S17973

Plane Polarized, S17973

Plane Polarized, S17973