BGS mineralogy and petrology collection record

Sample number S73502; COLLNONX1339;
Sample Donor Rock,N.M.S.
Rock name 'Original entry: 'Porphyrite''
Stratigraphy Not entered
Comments Within Criffel granite aureole; trend ENE
Locality details Just above upper forest track, Mabie Forest
50k map sheet Maxwelltown (9)

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Map reference NX 9247 7109
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


S73502

Cross Polarized, S73502

Plane Polarized, S73502

Plane Polarized, S73502