BGS mineralogy and petrology collection record

Sample number S30202
Sample Donor Simpson,J.B.
Rock name 'Original entry: Rotten Fine-Grained Andesite (Ac1)'
Stratigraphy Not entered
Comments Rotten fine-grained andesite (Ac1), Lava flow (cf. 27579)
Locality details 700 yards W of Hillhead Farm
50k map sheet Sanquhar (15)

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Map reference NS 676 141
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


S30202

Cross Polarized, S30202

Plane Polarized, S30202

Plane Polarized, S30202