Glauconite from selected localities.
UK | |
| Quirk, D.G. (1986): Bulletin of the Peak District Mines Historical Society 9(6), 333-386 |
Quirk, D.G. (1986): Bulletin of the Peak District Mines Historical Society 9(6), 333-386; Ford, T.D., Sarjeant, W.A.S., and Smith, M.E. (1993): UK Journal of Mines and Minerals 13, 16-55 | |
Quirk, D.G. (1986): Bulletin of the Peak District Mines Historical Society 9(6), 333-386 | |
Ford, T., A. Sarjeant & M. Smith (1993) The minerals of the Peak district of Derbyshire UK Jour. Mines & Minerals 13:16-55 | |
Quirk, D.G. (1986): Bulletin of the Peak District Mines Historical Society 9(6), 333-386 |