BGS mineralogy and petrology collection record

Sample number E38340; MR31858; COLLNO56;
Sample Donor Hart,F.; Oldershaw,D.;
Rock name 'Original entry: Lithic Sub Greywacke'
Stratigraphy Not entered
Comments Grey fine grained sandstone with fine quartz veining. Farewell rock. (Carboniferous). Used as part of 1970's Roadstone Project
Locality details Cae Cawr Fach. Small disused quarry, 1 mile NE. of Pontyberem.
50k map sheet Carmarthen (229)

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Map reference SN 490 181
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


E38340

Cross Polarized, E38340

Plane Polarized, E38340

Plane Polarized, E38340