BGS mineralogy and petrology collection record

Sample number E38336; MR31853; COLLNO51;
Sample Donor Oldershaw,D.
Rock name Wacke. 'Original entry: Feldspathic Lithic Greywacke'
Stratigraphy Not entered
Comments Fine - Medium grained impure Sst (Silurian) Used as part of 1970's Roadstone Project
Locality details Rhibren W Qry. 1250 yds N 120 deg E of Oakford
50k map sheet Llangranog (194)

View images in GeoScenic related to 'Llangranog'

View a geological map near 'Llangranog'

Map reference SN 461 575
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


E38336

Cross Polarized, E38336

Plane Polarized, E38336

Plane Polarized, E38336