BGS mineralogy and petrology collection record

Sample number E62203; COLLNOLC837;
Sample Donor Fortey,N.J.
Rock name Tuff.
Stratigraphy Ashgill.
Comments Rhyolitic tuff, Cautley Inlier
Locality details Backside Beck, Cautley
50k map sheet Kirkby Stephen (40)

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Map reference SD 6960 9939
Year collected 1990 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


Cross Polarized, E62203

Plane Polarized, E62203

Plane Polarized, E62203