BGS mineralogy and petrology collection record

Sample number E31796; COLLNO173;
Sample Donor Dixon,E.E.L.
Rock name Not entered
Stratigraphy Not entered
Comments Chert nodule in dolomite and replacing partly dolomitised crinoidal limestone from limestone in lower Zaphrentis Zone, Z.
Locality details Foreshore of mainland near Worms Head, Rhossili.
50k map sheet Worms Head (246)

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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


E31796

Cross Polarized, E31796

Plane Polarized, E31796

Plane Polarized, E31796