BGS mineralogy and petrology collection record

Sample number E38334; MR31851; COLLNO49;
Sample Donor Oldershaw,D.
Rock name Wacke. 'Original entry: Feldspathic Lithic Greywacke'
Stratigraphy Not entered
Comments Medium grained impure micaceous Sandstone . Silurian Used as part of 1970's Roadstone Project
Locality details Werndriw Qry. 0.5 ml SW of Llanddewi Brefi
50k map sheet Lampeter (195)

View images in GeoScenic related to 'Lampeter'

View a geological map near 'Lampeter'

Map reference SN 658 547
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


E38334

Cross Polarized, E38334

Plane Polarized, E38334

Plane Polarized, E38334