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 the geology 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.