BGS mineralogy and petrology collection record

Sample number E3624
Sample Donor Strahan, A.
Rock name Chert. 'Original entry: Radiolarian Chert'
Stratigraphy Not entered
Comments Drift.
Locality details 100 Yds. SW. of Underhill Newton.
50k map sheet Swansea (247)

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Map reference
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


E3624

Cross Polarized, E3624

Plane Polarized, E3624

Plane Polarized, E3624