Sample number
E10660; COLLNO61;
Sample Donor
Blake,Professor
Rock name
'Original entry: Folicated Grit [Slaty]'
Stratigraphy
Not entered
Comments
see mem. Geology of Anglesy pp 259-260 Quartz, Albite, Mica etc Blastopsammitic & Encassio-blastoc with large Epiclasts of Gneissic White Mica Palaeozoic South Stack Se
Locality details
Porth Dafarch Holy Isle
50k map sheet
Holyhead (93)
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Map reference
SH 233 799
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
E10660
Cross Polarized, E10660
Plane Polarized, E10660
Field of view: c. 31 mm.