BGS mineralogy and petrology collection record

Sample number E637; E639; MR776;
Sample Donor Not entered
Rock name 'Original entry: Augite-Andesite'
Stratigraphy Not entered
Comments Arenig. 271/41, B/77
Locality details Simon's Castle, 3.5 mi NW of Bishops Castle, Montgomeryshire
50k map sheet Montgomery (165)

View images in GeoScenic related to 'Montgomery'

View the geology near 'Montgomery'

Map reference SO 285 933
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


E637

Cross Polarized, E637

Plane Polarized, E637

Plane Polarized, E637


E639

Cross Polarized, E639

Plane Polarized, E639

Plane Polarized, E639