BGS mineralogy and petrology collection record

Sample number S73256; COLLNOAX858;
Sample Donor Floyd,J.D.
Rock name Wacke. 'Original entry: Greywacke'
Stratigraphy Not entered
Comments Greywacke, Ordovician
Locality details Shank Houp, Cowgill
50k map sheet Biggar (24W)

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Map reference NT 0196 3013
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


S73256

Cross Polarized, S73256

Plane Polarized, S73256

Plane Polarized, S73256