BGS mineralogy and petrology collection record

Sample number E67120; COLLNOCT1368;
Sample Donor Johnson,E.W.
Rock name Not entered
Stratigraphy Not entered
Comments Dacitic tuff
Locality details East side of Knott Hill
50k map sheet Ulverston (48)

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Map reference SD 1766 8749
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


E67120

Cross Polarized, E67120

Plane Polarized, E67120

Plane Polarized, E67120