BGS mineralogy and petrology collection record

Sample number S67423; COLLNOBX1089;
Sample Donor Henderson,W.G.
Rock name 'Original entry: Massive Green Siltstone'
Stratigraphy Not entered
Comments Massive green siltstone in fold axis, Birnam Grits, ?L Cambrian
Locality details Crag, 160 m SSW of top of Craig Obney, Glen Garr
50k map sheet Perth (48)

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Map reference NO 0220 3804
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


S67423

Cross Polarized, S67423

Plane Polarized, S67423

Plane Polarized, S67423