BGS mineralogy and petrology collection record

Sample number E64323; COLLNOKB1323;
Sample Donor Not entered
Rock name 'Original entry: Feldspar Porphyry'
Stratigraphy Not entered
Comments Member of composite intrusion(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=Porphyritic
Locality details WALES. Snowdon (119)
50k map sheet Snowdon (119)

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Map reference SH 6147 4166
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


E64323

Cross Polarized, E64323

Plane Polarized, E64323

Plane Polarized, E64323