BGS mineralogy and petrology collection record

Sample number S21848
Sample Donor Richey, James E.
Rock name 'Original entry: Keratophyre'
Stratigraphy Not entered
Comments Porphyritic felsitic dyke; Memoir, p. 356
Locality details 1000 yds ENE of summit of Meall nan Con
50k map sheet Tobermory (52)

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Map reference NM 5130 6824
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


S21848

Cross Polarized, S21848

Plane Polarized, S21848

Plane Polarized, S21848