BGS mineralogy and petrology collection record

Sample number S9349
Sample Donor Dakyns, John Roche
Rock name 'Original entry: Chert'
Stratigraphy Not entered
Comments Supposed radiolarian chert; Cowal Mem, p. 89
Locality details Green knoll, Aberfoyle
50k map sheet Loch Lomond (38)

View images in GeoScenic related to 'Loch Lomond'

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Map reference NS 4835 9760
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


S9349

Cross Polarized, S9349

Plane Polarized, S9349

Plane Polarized, S9349