BGS mineralogy and petrology collection record

Sample number S17214
Sample Donor Clough, C.T.
Rock name 'Original entry: Felsite Or Porphyrite'
Stratigraphy Not entered
Comments Fragment in breccia, sp. gr. 2.60; Memoir, p. 209
Locality details E of stream, 1900 ft SSE of Sgulan Beag S loch
50k map sheet Mull (44)

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Map reference NM 6118 3101
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


S17214

Cross Polarized, S17214

Plane Polarized, S17214

Plane Polarized, S17214