Sample number
E620
Sample Donor
Museum Specimens
Rock name
'Original entry: Felsite'
Stratigraphy
Not entered
Comments
Cut from Mus.Spec. Prof. Ramsey collection ?or Murchison. Palaeozoic Intrusion. See Mem.Geol.of Anglesey, p.527. Ill-formed, compressed phenocrysts of alkali feldspar in microcrys
Locality details
Graig-Lwyd nr Llanfechell
50k map sheet
Holyhead (93)
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Map reference
SH 37 91
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
E620
Cross Polarized, E620
Plane Polarized, E620
Field of view: c. 31 mm.