BGS mineralogy and petrology collection record

Sample number	S75; S75/A;
Sample Donor	UNKNOWN
Rock name	'Original entry: Porphyrite? Bostonite?'
Stratigraphy	Not entered
Comments	Porphyrite? Bostonite? Grey feldstone, Silurian
Locality details	Druidhill Burn, 4.5 miles NW of Thornhill
50k map sheet	Maxwelltown (9) View images in GeoScenic related to 'Maxwelltown' View the geology near 'Maxwelltown'
Map reference	NS 81 00
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions