BGS mineralogy and petrology collection record

Sample number E67345
Sample Donor Rushton,A.A.
Rock name Tuff. 'Original entry: Tuff'
Stratigraphy Not entered
Comments Rholitic tuff
Locality details Track side, 560 Km at 346 deg from Gilfach Fm. (Low in "unit 2")
50k map sheet Snowdon (119)

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Map reference SH 8802 4898
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


Cross Polarized, E67345

Plane Polarized, E67345

Plane Polarized, E67345