BGS mineralogy and petrology collection record

Sample number E4145; COLLNO170;
Sample Donor Cantrill, T.C.
Rock name Dolerite (Synonymous With Microgabbro). 'Original entry: Diabase'
Stratigraphy Not entered
Comments Complex.
Locality details 30.5. Complex, Coomb, Llangyrog.
50k map sheet Carmarthen (229)

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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


E4145

Cross Polarized, E4145

Plane Polarized, E4145

Plane Polarized, E4145