BGS mineralogy and petrology collection record

Sample number S21442
Sample Donor Richey, James E.
Rock name 'Original entry: Fine-Grained Felsite'
Stratigraphy Not entered
Comments Acid centre of cone sheet; Memoir, p. 196
Locality details 200 yds N of Coiramhuilinnn
50k map sheet Tobermory (52)

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Map reference NM 5175 6343
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


S21442

Cross Polarized, S21442

Plane Polarized, S21442

Plane Polarized, S21442