BGS mineralogy and petrology collection record

Sample number E64221; COLLNOKB1221;
Sample Donor Not entered
Rock name Microgranite. 'Original entry: Microgranite'
Stratigraphy Not entered
Comments Near Tyddyn Mawr(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=
Locality details Cwmystradllyn
50k map sheet Snowdon (119)

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Map reference SH 5522 4440
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


E64221

Cross Polarized, E64221

Plane Polarized, E64221

Plane Polarized, E64221