BGS mineralogy and petrology collection record

Sample number E10655; COLLNO56;
Sample Donor Blake,Professor
Rock name 'Original entry: Albitized Dolerite'
Stratigraphy Not entered
Comments see mem. Geology of Anglesy pp 440-2:531-1 Phenocrysts of Augite & Albite [? After Labradorite] in a Micro-crystalline matrix of same.with probably Devitrified glass Pa
Locality details Llyan Trefwll W. shore [the green stone]
50k map sheet Holyhead (93)

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Map reference SH 321 769
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


E10655

Cross Polarized, E10655

Plane Polarized, E10655

Plane Polarized, E10655