BGS mineralogy and petrology collection record

Sample number S67425; COLLNOBX1093;
Sample Donor Henderson,W.G.
Rock name 'Original entry: Purple Siltstone'
Stratigraphy Not entered
Comments Purple siltstone in fold axis, Birnam Grits, ?L Cambrian
Locality details Hillside crop, 585 m SSE of top of Craig Obney, Glen Garr
50k map sheet Perth (48)

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Map reference NO 0241 3765
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


S67425

Cross Polarized, S67425

Plane Polarized, S67425

Plane Polarized, S67425