BGS mineralogy and petrology collection record

Sample number E64468; COLLNOTL99;
Sample Donor Not entered
Rock name Microgranite. 'Original entry: Microgranite'
Stratigraphy Not entered
Comments Intrusion of Mynydd Mawr, beneath Craig Cwm Du(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=Coarse-grained
Locality details Mynydd Mawr
50k map sheet Snowdon (119)

View images in GeoScenic related to 'Snowdon'

View a geological map near 'Snowdon'

Map reference SH 5384 5499
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


E64468

Cross Polarized, E64468

Plane Polarized, E64468

Plane Polarized, E64468