BGS mineralogy and petrology collection record

Sample number E37142; COLLNOKH785;
Sample Donor Harrison,R.K.
Rock name 'Original entry: Recrystallised Chloritic Mica Rock, ? Completely Argillised Tuff'
Stratigraphy Not entered
Comments 1" tuff band, lower contact
Locality details Cliff section Nr. Llarch, 0.5 ml N of Aberystwyth
50k map sheet Aberystwyth (163)

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Map reference SN 576 834
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


E37142

Cross Polarized, E37142

Plane Polarized, E37142

Plane Polarized, E37142