BGS mineralogy and petrology collection record

Sample number S17909
Sample Donor Clough, C.T.
Rock name 'Original entry: Tachylyte, Variolitic'
Stratigraphy Not entered
Comments Inclined cone-sheet in Ben Buie Gabbro; Memoir, p. 304
Locality details Cruachan Dearg, 875 ft very slightly E of S of Sron Dubh
50k map sheet Mull (44)

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Map reference NM 5976 2834
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


S17909

Cross Polarized, S17909

Plane Polarized, S17909

Plane Polarized, S17909