BGS mineralogy and petrology collection record

Sample number S27928
Sample Donor Kennedy, William Q.
Rock name 'Original entry: Muscovite-Rich Sillimanite Gneiss ('Bird'S Eye Gneiss')'
Stratigraphy Not entered
Comments Bird's eye gneiss - muscovite-rich rock type within a belt of sillimanite gneisses
Locality details Rock ridge oppposite sharp bend in Allt a' Ghoirtein Chnapaich, 283 yds W 35 deg N of Coul
50k map sheet Tobermory (52)

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Map reference NM 7421 6899
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


S27928

Cross Polarized, S27928

Plane Polarized, S27928

Plane Polarized, S27928