BGS mineralogy and petrology collection record

Sample number E63316; COLLNOKB316;
Sample Donor Not entered
Rock name Dolerite (Synonymous With Microgabbro). 'Original entry: Dolerite Composite'
Stratigraphy Not entered
Comments 10m from upper contact of dolerite, see also KB315(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=C-g, ophitic
Locality details Llyn Cwm Corseog
50k map sheet Snowdon (119)

View images in GeoScenic related to 'Snowdon'

View a geological map near 'Snowdon'

Map reference SH 6640 4740
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


E63316

Cross Polarized, E63316

Plane Polarized, E63316

Plane Polarized, E63316