BGS mineralogy and petrology collection record

Sample number E38736; COLLNOCE29;
Sample Donor Evans,C.D.R.
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Crystal tuff, 2 ft from base of Lower Rhyolitic tuffs of the Snowdon V.S
Locality details 400 yds 150 deg from Honestone Qry.
50k map sheet Snowdon (119)

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View the geology near 'Snowdon'

Map reference SH 7200 5384
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


E38736

Cross Polarized, E38736

Plane Polarized, E38736

Plane Polarized, E38736