BGS mineralogy and petrology collection record

Sample number S40291; COLLNOXN716;
Sample Donor Wright,J.E.
Rock name 'Original entry: Foliated Basic Microgranite Or Lamprophyre'
Stratigraphy Not entered
Comments ?Microdiorite (cf. appinite, lamprophyre) from same 8 ft sheet as S. 40290 in flaggy psammite as S. 40290
Locality details Allt Aird Eachaidh, 2050 yds N 35 deg E of Ardachvie
50k map sheet Loch Eil (62)

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Map reference NN 1521 9181
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


S40291

Cross Polarized, S40291

Plane Polarized, S40291

Plane Polarized, S40291