BGS mineralogy and petrology collection record

Sample number E9187
Sample Donor Greenly,E.
Rock name 'Original entry: Grit In Hornfels'
Stratigraphy Not entered
Comments Not entered
Locality details S.of Llyn Mawr,hs-passing into 925 of S.band 700ft: S.of 160
50k map sheet Holyhead (93)

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Map reference SH 377 761
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


E9187

Cross Polarized, E9187

Plane Polarized, E9187

Plane Polarized, E9187