BGS mineralogy and petrology collection record

Sample number	S481; COLLNO1721;
Sample Donor	Macconachie,A.F.
Rock name	'Original entry: Rhyolite Or Trachyte? F'
Stratigraphy	Not entered
Comments	"Porphyrite" ?olivine basalt
Locality details	Braid Law, Pentlands
50k map sheet	Edinburgh (32) View images in GeoScenic related to 'Edinburgh' View the geology near 'Edinburgh'
Map reference	NT 1848 5932
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.