BGS mineralogy and petrology collection record

Sample number S42564
Sample Donor Johnstone,G.S.
Rock name 'Original entry: ?Hornfels'
Stratigraphy Not entered
Comments ?Hornfels band in striped psammite a few yards from tonalite margin
Locality details West bank, Strontian River, 1590 yds S 27 deg E of summit, 1425.9 ft, Druim Glas
50k map sheet Tobermory (52)

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Map reference NM 8527 6505
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


S42564

Cross Polarized, S42564

Plane Polarized, S42564

Plane Polarized, S42564