BGS mineralogy and petrology collection record

Sample number E63455; COLLNOKB455;
Sample Donor Not entered
Rock name Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
Stratigraphy Not entered
Comments See also KB456(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=
Locality details Rhydiadau Diwainedd
50k map sheet Snowdon (119)

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Map reference SH 6840 5264
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


E63455

Cross Polarized, E63455

Plane Polarized, E63455

Plane Polarized, E63455