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 the geology 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.