BGS mineralogy and petrology collection record

Sample number	E21299; COLLNOGD172;
Sample Donor	Dines,H.G.
Rock name	'Original entry: Sandstone,Opaline & Chalcedonic Matrix'
Stratigraphy	Not entered
Comments	"Ightham Stone" Green Chert in coarse Irony sand, near top of Folkstone Beds above "Oldbury Stone" from in situ.
Locality details	Oldbury Camp 1m W. of Ightam
50k map sheet	Sevenoaks (287) View images in GeoScenic related to 'Sevenoaks' View the geology near 'Sevenoaks'
Map reference	TQ 581 561
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.