BGS mineralogy and petrology collection record

Sample number E63267; COLLNOKB267;
Sample Donor Not entered
Rock name Dolerite (Synonymous With Microgabbro). 'Original entry: Dolerite Composite'
Stratigraphy Not entered
Comments 0.5m from contact with mudstones, comp. sill(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=Porphyritic fsps
Locality details Nant Mor/Croesor
50k map sheet Snowdon (119)

View images in GeoScenic related to 'Snowdon'

View a geological map near 'Snowdon'

Map reference SH 6310 4523
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


E63267

Cross Polarized, E63267

Plane Polarized, E63267

Plane Polarized, E63267