BGS mineralogy and petrology collection record

Sample number E25369; COLLNO5;
Sample Donor Hoare,R.H.
Rock name Basalt. 'Original entry: Albite Diabase'
Stratigraphy Not entered
Comments Not entered
Locality details Trecastell Lead Mine. No.2 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.2
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E25369

Cross Polarized, E25369

Plane Polarized, E25369

Plane Polarized, E25369