BGS mineralogy and petrology collection record

Sample number S31555
Sample Donor Eyles,V.A.
Rock name 'Original entry: 20ft Seam Slightly Calcareous Biotite Schist'
Stratigraphy Not entered
Comments Metamorphic rocks occurring to the west of the outcrop of Middle Old Red Sandstone
Locality details Allt an Lagain 430 yds from railway
50k map sheet Glen Roy (63)

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Map reference NN 29804 97120
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


S31555

Cross Polarized, S31555

Plane Polarized, S31555

Plane Polarized, S31555