BGS mineralogy and petrology collection record

Sample number S36822
Sample Donor Macgregor,A.G.
Rock name 'Original entry: ?Semipelite, Tonalitised'
Stratigraphy Not entered
Comments ?Somewhat tonalitised semipelite (wide band), 30 yds W of granite contact
Locality details Roadside 300 yds westwards along road from Woodend Cottage
50k map sheet Tobermory (52)

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Map reference NM 7781 6085
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


S36822

Cross Polarized, S36822

Plane Polarized, S36822

Plane Polarized, S36822