BGS mineralogy and petrology collection record

Sample number S21437
Sample Donor Richey, James E.
Rock name 'Original entry: Felsite'
Stratigraphy Not entered
Comments Sub-acid sill; Memoir, p. 193
Locality details 750 yds W by S of Mingary Castle
50k map sheet Tobermory (52)

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Map reference NM 4959 6296
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


S21437

Cross Polarized, S21437

Plane Polarized, S21437

Plane Polarized, S21437