BGS mineralogy and petrology collection record

Sample number S29750
Sample Donor Phemister,J.
Rock name 'Original entry: Reibeckite Phonolite Trachyte'
Stratigraphy Not entered
Comments Reibeckite phonolite trachyte
Locality details 330 yards E 5 deg N of triangulation point at 1744 feet on Skelfhill Pen
50k map sheet Jedburgh (17)

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Map reference NT 444 031
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


S29750

Cross Polarized, S29750

Plane Polarized, S29750

Plane Polarized, S29750