BGS mineralogy and petrology collection record

Sample number E63496; E63496/A; E63496/B; E63496/C; COLLNOKB496;
Sample Donor Not entered
Rock name Dolerite (Synonymous With Microgabbro). 'Original entry: Dolerite'
Stratigraphy Not entered
Comments 30m from upper contact,within LRT, see also KB495(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=Fine-grained
Locality details Rhyd Ddu-Llechog
50k map sheet Snowdon (119)

View images in GeoScenic related to 'Snowdon'

View a geological map near 'Snowdon'

Map reference SH 5927 5365
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


E63496/A

Cross Polarized, E63496/A

Plane Polarized, E63496/A

Plane Polarized, E63496/A


E63496/B

Cross Polarized, E63496/B

Plane Polarized, E63496/B

Plane Polarized, E63496/B


E63496/C

Cross Polarized, E63496/C

Plane Polarized, E63496/C

Plane Polarized, E63496/C