BGS mineralogy and petrology collection record

Sample number S30605
Sample Donor Simpson,J.B.
Rock name 'Original entry: Andesite With Phenocrysts Of Felspar And Resorbed Biotite (Ac1)'
Stratigraphy Not entered
Comments Andesite with phenocrysts of felspar and resorbed biotite (Ac1)
Locality details 1200 yards N 10 deg E of Glenmuckloch Crichtons
50k map sheet Sanquhar (15)

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Map reference NS 694 149
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


S30605

Cross Polarized, S30605

Plane Polarized, S30605

Plane Polarized, S30605