BGS mineralogy and petrology collection record

Sample number E67121; COLLNOCT1369;
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 1765 8748
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


E67121

Cross Polarized, E67121

Plane Polarized, E67121

Plane Polarized, E67121