BGS mineralogy and petrology collection record

Sample number E66555; COLLNOCT1413;
Sample Donor Johnson,E.W.
Rock name Not entered
Stratigraphy Not entered
Comments Dacitic tuff
Locality details Grassoms Beck
50k map sheet Ulverston (48)

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Map reference SD 1356 8852
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


E66555

Cross Polarized, E66555

Plane Polarized, E66555

Plane Polarized, E66555