BGS mineralogy and petrology collection record

Sample number S40581; COLLNOYB436;
Sample Donor Lawrie,T.R.M.
Rock name 'Original entry: ?Felsite, Pink, Sparsely Feldspar-Phyric, Flow-Foliated'
Stratigraphy Not entered
Comments Discordant body in Moine psammite (same as S. 40580), probably sheet-like, but obscure; >4 ft thick, trends roughly E-W and dips southwards. Cuts pegmatite vein in psammite. Pink ?felsite, sparsely feldspar-phyric, especially near top. Specimen 2 inc
Locality details R Fionn Lighe, 1220 yds W 15 deg N of summit of Meall Onfhaidh
50k map sheet Loch Eil (62)

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Map reference NM 9996 8433
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


S40581

Cross Polarized, S40581

Plane Polarized, S40581

Plane Polarized, S40581