BGS mineralogy and petrology collection record

Sample number E4982; COLLNO20;
Sample Donor Pollard, Dr.
Rock name Chert. 'Original entry: Radiolarian Chert'
Stratigraphy Not entered
Comments Not entered
Locality details 480 Yds. E. of "Rottenstone", E. side of Langford Bay.
50k map sheet Swansea (247)

View images in GeoScenic related to 'Swansea'

View a geological map near 'Swansea'

Map reference SS 614 870
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


E4982

Cross Polarized, E4982

Plane Polarized, E4982

Plane Polarized, E4982