BGS mineralogy and petrology collection record

Sample number E12372
Sample Donor Greenly,E.
Rock name Not entered
Stratigraphy Not entered
Comments See loose leaf register (sht.105) Day Bk.also says sht.93 for this. So does slide
Locality details Block in wall, almost certainly from boss W.of forking of roads, 800ft.WSW.of Clegyr-Mawr
50k map sheet Holyhead (93)

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Map reference SH 376 775
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


E12372

Cross Polarized, E12372

Plane Polarized, E12372

Plane Polarized, E12372