BGS mineralogy and petrology collection record

Sample number E29242; COLLNOKC660;
Sample Donor Chaperlin,K.
Rock name Not entered
Stratigraphy Not entered
Comments Not entered
Locality details Crags on Graig Fawr, 700 yds ENE of Penarfynydd. 1700 yds E of Llanfaelrhys Church
50k map sheet Pwllheli (134)

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Map reference SH 225 268
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


E29242

Cross Polarized, E29242

Plane Polarized, E29242

Plane Polarized, E29242