BGS mineralogy and petrology collection record

Sample number S31558
Sample Donor Eyles,V.A.
Rock name 'Original entry: Hard Calcsilicate Concretion In S.31556'
Stratigraphy Not entered
Comments Metamorphic rocks occurring to the west of the outcrop of Middle Old Red Sandstone
Locality details Allt an Lagain 480 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


S31558

Cross Polarized, S31558

Plane Polarized, S31558

Plane Polarized, S31558