BGS mineralogy and petrology collection record

Sample number E43675; COLLNOAP78;
Sample Donor Addison,R.
Rock name Not entered
Stratigraphy Not entered
Comments Spherulitic rhyolite intrusive
Locality details Low hill, 180 m at 225 deg from Blaen y Nant Farm
50k map sheet Bangor (106)

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Map reference SH 6410 6070
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


E43675

Cross Polarized, E43675

Plane Polarized, E43675

Plane Polarized, E43675