BGS mineralogy and petrology collection record

Sample number S30604
Sample Donor Simpson,J.B.
Rock name 'Original entry: Andesite (Mugearitic) (Ac1)'
Stratigraphy Not entered
Comments Andesite (mugearitic) (Ac1), Lava
Locality details E side of county march, 800 yards W of Hillhead
50k map sheet Sanquhar (15)

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Map reference NS 675 140
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


S30604

Cross Polarized, S30604

Plane Polarized, S30604

Plane Polarized, S30604