BGS mineralogy and petrology collection record

Sample number E5811; COLLNO248;
Sample Donor Cantrill, T.C.
Rock name 'Original entry: Hornblende Porphyrite'
Stratigraphy Not entered
Comments Boulder clay erratics.
Locality details 1. Edge of stream, 90 Yds. S. of Blaen-conin, 0.25 mile S. of Egremont.
50k map sheet Haverfordwest (228)

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Map reference SN 094 199
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


E5811

Cross Polarized, E5811

Plane Polarized, E5811

Plane Polarized, E5811