BGS mineralogy and petrology collection record

Sample number S67830; COLLNOYC2884;
Sample Donor Mykura,W.
Rock name 'Original entry: Porphyrite, With Prominent Black Feldspar Laths'
Stratigraphy Not entered
Comments Pebble of 'porphyrite', with prominent black feldspar laths, in Middle ORS pebbly sandstone
Locality details S bank of cutting for new road 400 m W 10 deg N of Leanaig
50k map sheet Inverness (83)

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Map reference NH 556 542
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


S67830

Cross Polarized, S67830

Plane Polarized, S67830

Plane Polarized, S67830