BGS mineralogy and petrology collection record

Sample number S26091; S26091/A; COLLNOGH156;
Sample Donor Richey, James E.
Rock name 'Original entry: Grey Granite'
Stratigraphy Not entered
Comments Grey granite; Cent. Suth. Mem., p. 175
Locality details 50 yds N of An Caisteal summit
50k map sheet Tongue (114)

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Map reference NC 578 489
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


S26091

Cross Polarized, S26091

Plane Polarized, S26091

Plane Polarized, S26091


S26091/A

Cross Polarized, S26091/A

Plane Polarized, S26091/A

Plane Polarized, S26091/A