BGS mineralogy and petrology collection record

Sample number S42562; S42562/A;
Sample Donor Johnstone,G.S.
Rock name 'Original entry: ?Sillimanite-Rich Rock'
Stratigraphy Not entered
Comments ?Sillimanite-rich rock; band in striped psammite of screen in tonalite
Locality details East bank, Strontian River, 1650 yds S 25 deg E of summit, 1425.9 ft, Druim Glas
50k map sheet Tobermory (52)

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Map reference NM 8527 6499
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


S42562

Cross Polarized, S42562

Plane Polarized, S42562

Plane Polarized, S42562


S42562/A

Cross Polarized, S42562/A

Plane Polarized, S42562/A

Plane Polarized, S42562/A