BGS mineralogy and petrology collection record

Sample number S31577
Sample Donor Eyles,V.A.
Rock name 'Original entry: Metamorphic Rock From Narrow Strips Between Two Outcrops Of Middle Ors Conglome'
Stratigraphy Not entered
Comments Metamorphic rock occurring between two outcrops of Middle Old Red Sandstone
Locality details Allt na h-Atha, 100 yds upstream from railway, close to 2.75 miles SW of Invergarry station
50k map sheet Glen Roy (63)

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Map reference NN 28539 94696
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


S31577

Cross Polarized, S31577

Plane Polarized, S31577

Plane Polarized, S31577