BGS mineralogy and petrology collection record

Sample number	E21010; COLLNOB2;
Sample Donor	Dunham,K.C.
Rock name	'Original entry: Organic Limestone And Barite'
Stratigraphy	Not entered
Comments	Limestone replaced by barite and calcite
Locality details	Golconda Mine, 2 ml WNW of Wirksworth; 60 fathom Level
50k map sheet	Ashbourne (124) View images in GeoScenic related to 'Ashbourne' View the geology near 'Ashbourne'
Map reference	SK 249 552
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.