BGS mineralogy and petrology collection record

Sample number E4357
Sample Donor Edwards,W.N.
Rock name 'Original entry: Hornblende Diorite'
Stratigraphy Not entered
Comments ? A boulder
Locality details Near Amlwch
50k map sheet Holyhead (93)

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Map reference SH 43 92
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


E4357

Cross Polarized, E4357

Plane Polarized, E4357

Plane Polarized, E4357