BGS mineralogy and petrology collection record

Sample number S16257
Sample Donor Richey, James E.
Rock name 'Original entry: Tholeiite'
Stratigraphy Not entered
Comments NW 1.5 ft dyke, Mull type, chilled against S. 16256
Locality details 1000 yds N 46 deg E of Torr a' Bhlair
50k map sheet Mull (44)

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Map reference NM 5194 3777
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


S16257

Cross Polarized, S16257

Plane Polarized, S16257

Plane Polarized, S16257