BGS mineralogy and petrology collection record

Sample number	S431; COLLNO1699;
Sample Donor	Macconachie,A.F.
Rock name	'Original entry: Rotten ?Andesite'
Stratigraphy	Not entered
Comments	"Porphyrite"
Locality details	Dean Burn, SW of White Hill, Pentlands
50k map sheet	Edinburgh (32) View images in GeoScenic related to 'Edinburgh' View the geology near 'Edinburgh'
Map reference	NT 210 671
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.