BGS mineralogy and petrology collection record

Sample number	E21248; COLLNOEP37;
Sample Donor	Prentice,J.E.
Rock name	Gravel; Microgranite;. 'Original entry: Porphyritic Microgranite'
Stratigraphy	Not entered
Comments	granophyric microgranite from drift
Locality details	sewer trench 600 y 47deg from North Lodge, Barnwell
50k map sheet	Kettering (171) View images in GeoScenic related to 'Kettering' View a geological map near 'Kettering'
Map reference	TL 075 843
Year collected	0
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.