BGS mineralogy and petrology collection record

Sample number S17100
Sample Donor Richey, James E.
Rock name 'Original entry: Trachyte / Basalt Contact'
Stratigraphy Not entered
Comments Junction of trachyte intrusion and basalt lava
Locality details 350 yds S of Castle (in ruins) 1 mile W of Salen
50k map sheet Mull (44)

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Map reference NM 5550 4308
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


S17100

Cross Polarized, S17100

Plane Polarized, S17100

Plane Polarized, S17100