BGS mineralogy and petrology collection record

Sample number E62906; COLLNOLC963;
Sample Donor Fortey,N.J.
Rock name Rhyolite.
Stratigraphy Ashgill.
Comments Vesicular rhyolite
Locality details Backside Beck, below main fault in volcanics
50k map sheet Kirkby Stephen (40)

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Map reference SD 6955 9925
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, E62906

Plane Polarized, E62906

Plane Polarized, E62906