BGS mineralogy and petrology collection record

Sample number S24006; S24006/A;
Sample Donor Phemister,J.
Rock name 'Original entry: Trachybasalt, Trachyandesite'
Stratigraphy Not entered
Comments Trachybasalt, trachyandesite, coarse porphyritic centre portion of Loudoun Hill plug, Carboniferous, for analysis
Locality details 20 yards SW of summit of Loudoun Hill and 770 yards S 6 deg E of Winkingfield
50k map sheet Hamilton (23)

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Map reference NS 6085 3787
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


S24006

Cross Polarized, S24006

Plane Polarized, S24006

Plane Polarized, S24006


S24006/A

Cross Polarized, S24006/A

Plane Polarized, S24006/A

Plane Polarized, S24006/A