BGS mineralogy and petrology collection record

Sample number E289
Sample Donor Ward, J.C.
Rock name 'Original entry: Altered Ash'
Stratigraphy Not entered
Comments Not entered
Locality details Glaslyn Snowdon
50k map sheet Snowdon (119)

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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


E289

Cross Polarized, E289

Plane Polarized, E289

Plane Polarized, E289