BGS mineralogy and petrology collection record

Sample number E52952; COLLNOLA750;
Sample Donor Allen,P.M.
Rock name Tuff. 'Original entry: Tuff'
Stratigraphy Not entered
Comments Silty tuff.
Locality details 1300 Yds. at 144 deg. from Hafotty Lletty-wyn.
50k map sheet Bala (136)

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Map reference SH 8332 2008
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, E52952

Plane Polarized, E52952

Plane Polarized, E52952