BGS mineralogy and petrology collection record

Sample number	E17160; MR17441;
Sample Donor	Not entered
Rock name	Lamprophyres.
Stratigraphy	Not entered
Comments	Hornblende Porphyrite. ? Lamprophyre
Locality details	Foundations of Crosby Hall
50k map sheet	South London (270) View images in GeoScenic related to 'South London' View a geological map near 'South London'
Map reference	TQ 307 798
Year collected	0
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.