BGS mineralogy and petrology collection record

Sample number E3956; COLLNOHDC5;
Sample Donor H.D.C
Rock name Tonalite. 'Original entry: Quartz Diorite Porphyrite.'
Stratigraphy Not entered
Comments Quartz diorite porphyrite.
Locality details Narborough Quarry. 6 1/2ml from Leicester
50k map sheet Coalville (155)

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Map reference SP 525 975
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


E3956

Cross Polarized, E3956

Plane Polarized, E3956

Plane Polarized, E3956