BGS mineralogy and petrology collection record

Sample number E8885; COLLNO395;
Sample Donor Blake,Professor
Rock name 'Original entry: Heavily Chloritised ?Ash'
Stratigraphy Not entered
Comments Black scale slaty rock in Clegyr felsite
Locality details Clegyr
50k map sheet Bangor (106)

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Map reference
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


E8885

Cross Polarized, E8885

Plane Polarized, E8885

Plane Polarized, E8885