BGS mineralogy and petrology collection record

Sample number E31285
Sample Donor Hawkins,T.R.W.
Rock name Not entered
Stratigraphy Not entered
Comments Felsite', Rhyolite variety
Locality details Parys Mountain M5 Borehole.Depth 85'
50k map sheet Holyhead (93)

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Map reference SH 444 904
Year collected Not entered 
Bore name Parys Mountain M5
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E31285

Cross Polarized, E31285

Plane Polarized, E31285

Plane Polarized, E31285