BGS mineralogy and petrology collection record

Sample number E25365; COLLNO1;
Sample Donor Hoare,R.H.
Rock name 'Original entry: Carbonated+Chloritized? Tuff'
Stratigraphy Not entered
Comments Not entered
Locality details Trecastell Lead Mine. No.1 Borehole (1953)
50k map sheet Bangor (106)

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Map reference SH 763 745
Year collected Not entered 
Bore name Trecastell Lead Mines No.1
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E25365

Cross Polarized, E25365

Plane Polarized, E25365

Plane Polarized, E25365