BGS mineralogy and petrology collection record

Sample number S17622
Sample Donor Richey, James E.
Rock name 'Original entry: Olivine Trachyte'
Stratigraphy Not entered
Comments Lava
Locality details 300 yds S 30 deg E of summit, Tom a' Chrochaire
50k map sheet Mull (44)

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Map reference NM 5438 4245
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


S17622

Cross Polarized, S17622

Plane Polarized, S17622

Plane Polarized, S17622