BGS mineralogy and petrology collection record

Sample number E63364; COLLNOKB364;
Sample Donor Not entered
Rock name Rhyodacite. 'Original entry: Feldspar Porphyry'
Stratigraphy Not entered
Comments (GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=C-g, porphyritic
Locality details Manod Quarry
50k map sheet Snowdon (119)

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Map reference SH 7083 4483
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


E63364

Cross Polarized, E63364

Plane Polarized, E63364

Plane Polarized, E63364