BGS mineralogy and petrology collection record

Sample number E49939; COLLNOCQ3;
Sample Donor Waters,R.A.
Rock name Not entered
Stratigraphy Not entered
Comments Green bentonite, 50 mm thick. Upper Old Red Sandstone. 1.52 m. below tentative base of Lower limestone shales.
Locality details Cwrt-Yr-Ala BH. 320 m. at 248 deg. from Cwrt-Yr-Ala House, Michaelstone-Le-Pit.
50k map sheet Cardiff (263)

View images in GeoScenic related to 'Cardiff'

View a geological map near 'Cardiff'

Map reference ST 1408 7339
Year collected Not entered 
Bore name Cwrt-Yr-Ala Bh.
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E49939

Cross Polarized, E49939

Plane Polarized, E49939

Plane Polarized, E49939