BGS mineralogy and petrology collection record

Sample number E67143; COLLNOCT1431;
Sample Donor Johnson,E.W.
Rock name Not entered
Stratigraphy Not entered
Comments Granitised dacite
Locality details Black Beck, N of Swinside
50k map sheet Ulverston (48)

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Map reference SD 1681 8890
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


E67143

Cross Polarized, E67143

Plane Polarized, E67143

Plane Polarized, E67143