BGS mineralogy and petrology collection record

Sample number S64308
Sample Donor Collins,G.H.
Rock name 'Original entry: Felsite'
Stratigraphy Not entered
Comments Felsite; pebbles from Lower ORS conglomerate
Locality details Just N of pier at Craigie Fort, about 500 yds NW of Balmaha
50k map sheet Loch Lomond (38)

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Map reference NS 416 909
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


S64308

Cross Polarized, S64308

Plane Polarized, S64308

Plane Polarized, S64308