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) View images in GeoScenic related to 'Coalville' View the geology near 'Coalville'
Map reference	SP 525 975
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.