BGS mineralogy and petrology collection record

Sample number E9871; COLLNO83;
Sample Donor Greenly,E.
Rock name 'Original entry: Ophitic Dolerite'
Stratigraphy Not entered
Comments Not entered
Locality details Lane Qy.,725ft. SE.of Graig Fach
50k map sheet Caernarfon (105)

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Map reference SH 476 723
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


E9871

Cross Polarized, E9871

Plane Polarized, E9871

Plane Polarized, E9871