BGS mineralogy and petrology collection record

Sample number E26625; COLLNOC654;
Sample Donor Collins,G.H.
Rock name 'Original entry: Silty Micaceous Tuffaceous Mudstone Or Tuff'
Stratigraphy Not entered
Comments Not entered
Locality details Rock knoll in field, 1000 ft. N. at 38 deg. E. of Pen-y-Lan Farm.
50k map sheet Monmouth (233)

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Map reference SO 437 122
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


E26625

Cross Polarized, E26625

Plane Polarized, E26625

Plane Polarized, E26625