BGS mineralogy and petrology collection record

Sample number E58007
Sample Donor Merriman,R.J.
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Basic tuff, 2.5 m. above base of bedded pyroclastic formation.
Locality details 150 m. NE. of Lliwedd Bach, Snowdon.
50k map sheet Snowdon (119)

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Map reference SH 6295 5350
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


E58007

Cross Polarized, E58007

Plane Polarized, E58007

Plane Polarized, E58007