BGS mineralogy and petrology collection record

Sample number E49468; COLLNOCT18;
Sample Donor Johnson,E.W.
Rock name Tuff. 'Original entry: Tuff'
Stratigraphy Ashgill.
Comments volcanic tuff
Locality details 10 m due S of Dam House Bridge in W bank of Austwick beck
50k map sheet Settle (60)

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Map reference SD 7799 6956
Year collected
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


Cross Polarized, E49468

Plane Polarized, E49468

Plane Polarized, E49468