BGS mineralogy and petrology collection record

Sample number S16641
Sample Donor Richey, James E.
Rock name 'Original entry: Augite Granophyre (Glen Leidle Type)'
Stratigraphy Not entered
Comments Composite sheet, centre (identical with S. 16622; interpreted as a late basic cone-sheet, probably centred by granophyre; wrongly as the acid centre is baked
Locality details 550 yds S 6 deg E of spot ht 1789 ft Beinn Fhada
50k map sheet Mull (44)

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Map reference NM 5274 3556
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


S16641

Cross Polarized, S16641

Plane Polarized, S16641

Plane Polarized, S16641