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 a geological map 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.