BGS mineralogy and petrology collection record

Sample number S23892
Sample Donor Read, H.H.
Rock name 'Original entry: Biolite Rhyolite'
Stratigraphy Not entered
Comments Biolite rhyolite, pebble in quartzite conglomerate
Locality details Quarries 0.25 miles W 38 deg N of Eastfield
50k map sheet Hamilton (23)

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Map reference NS 963 335
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


S23892

Cross Polarized, S23892

Plane Polarized, S23892

Plane Polarized, S23892