BGS mineralogy and petrology collection record

Sample number S28389
Sample Donor Richey, James E.
Rock name 'Original entry: Trachyte'
Stratigraphy Not entered
Comments Elongate boss, intrusive in Tertiary plateau basalt lavas: boss extends from S margin of 1" sheet 52 to N margin of sheet 44; Summ Prog 1932, part 1, p. 95
Locality details Crag on S side of Lochan a' Bhuinn a'Se towards N end of Cnoc Carach, 2.25 mile W if Kinlochaline
50k map sheet Tobermory (52)

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Map reference NM 6599 4771
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


S28389

Cross Polarized, S28389

Plane Polarized, S28389

Plane Polarized, S28389