BGS mineralogy and petrology collection record

Sample number S13425
Sample Donor Craig,P.M.
Rock name 'Original entry: Garnet-Hornblende Gneisis'
Stratigraphy Not entered
Comments Probably corresponds to the zoisite granulites elsewhere; Colonsay Mem, p. 81, Mull pre-Tertiary Mem, p. 12
Locality details Ardalanish Bay
50k map sheet Colonsay (35)

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Map reference NM 3780 1871
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


S13425

Cross Polarized, S13425

Plane Polarized, S13425

Plane Polarized, S13425