BGS mineralogy and petrology collection record

Sample number S71143
Sample Donor Rock,N.M.S.
Rock name 'Original entry: Gneiss'
Stratigraphy Not entered
Comments Peculiar body of garnet-rich (?para)amphibolite associated with kyanite, staurolite, tourmailne, etc.; gneiss band within amphibolite; PGA Vol 97, Pt 3, pp. 251-252 (anal. p. 253)
Locality details Port Bheathain, Ross of Mull
50k map sheet Colonsay (35)

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Map reference NM 4036 1891
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


S71143

Cross Polarized, S71143

Plane Polarized, S71143

Plane Polarized, S71143