BGS mineralogy and petrology collection record

Sample number S27904
Sample Donor Ross, George
Rock name 'Original entry: Semipelite'
Stratigraphy Not entered
Comments On edge of pegmatite in semipelitic schists
Locality details 150 yds NW of 1150 ft spot ht left bank of Allt na h-Atha
50k map sheet Tobermory (52)

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Map reference NM 7528 6646
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


S27904

Cross Polarized, S27904

Plane Polarized, S27904

Plane Polarized, S27904