BGS mineralogy and petrology collection record

Sample number S45385; COLLNOYW76;
Sample Donor May,F.
Rock name 'Original entry: Hornblende-Bearing Biotite Tonalite'
Stratigraphy Not entered
Comments Large intrusion in psammite
Locality details 1420 yds S 33 deg W of house at Aultnaslat
50k map sheet Loch Eil (62)

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Map reference NH 1315 0024
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


S45385

Cross Polarized, S45385

Plane Polarized, S45385

Plane Polarized, S45385