BGS mineralogy and petrology collection record

Sample number S16553
Sample Donor Clough, C.T.
Rock name 'Original entry: Tachylyte, Variolitic'
Stratigraphy Not entered
Comments Inclined sheet in Corra-bheinn Gabbro; Memoir, pp. 304-305, Fig. 51A
Locality details 50 ft E of summit of Cruachan Dearg
50k map sheet Mull (44)

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Map reference NM 5686 3321
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


S16553

Cross Polarized, S16553

Plane Polarized, S16553

Plane Polarized, S16553