BGS mineralogy and petrology collection record

Sample number E4471; COLLNO31;
Sample Donor Thomas,H.H.
Rock name 'Original entry: Hornblende Porphyry'
Stratigraphy Not entered
Comments Partly decomposed.
Locality details Quarry at Lambstone Farm, 1.5 miles SE. of Bane-y-felin.
50k map sheet Carmarthen (229)

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Map reference SN 336 161
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


E4471

Cross Polarized, E4471

Plane Polarized, E4471

Plane Polarized, E4471