BGS mineralogy and petrology collection record

Sample number E66538; COLLNOCT1396;
Sample Donor Johnson,E.W.
Rock name Not entered
Stratigraphy Not entered
Comments Dacitic tuff
Locality details Washdale Crags
50k map sheet Ulverston (48)

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Map reference SD 1176 8832
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


E66538

Cross Polarized, E66538

Plane Polarized, E66538

Plane Polarized, E66538