BGS mineralogy and petrology collection record

Sample number E49689; COLLNOER2;
Sample Donor Ellison,R.A.
Rock name Tuff. 'Original entry: Tuff'
Stratigraphy Not entered
Comments Harwich Tuff band ?
Locality details Harwich Crown Building Site Investigation: BH No. 3. (TM23SE/15).
50k map sheet Colchester (224)

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Map reference TM 2518 3145
Year collected Not entered 
Bore name Harwich Crown Building Site Investigation. Bh. No. 3. (Tm23se/15)
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


Cross Polarized, E49689

Plane Polarized, E49689

Plane Polarized, E49689