BGS mineralogy and petrology collection record

Sample number S4803
Sample Donor Hill, J.B.
Rock name 'Original entry: Orthofelsite'
Stratigraphy Not entered
Comments Trachyte; Mid Argyll Mem, p. 107
Locality details Clachan, Glen Fyne
50k map sheet Inverarray (37)

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Map reference NN 2020 1462
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


S4803

Cross Polarized, S4803

Plane Polarized, S4803

Plane Polarized, S4803