BGS mineralogy and petrology collection record

Sample number	E31412; COLLNOBI5426;
Sample Donor	Eden,R.A.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Dark Chert of Cawder group
Locality details	Johannesburg BH No 3 300yd SSE. of Matlock Bath Station 49' 0"
50k map sheet	Chesterfield (112) View images in GeoScenic related to 'Chesterfield' View a geological map near 'Chesterfield'
Map reference	SK 2979 5815
Year collected	Not entered
Bore name	Johannesburg
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.