| References: |
- Deposit:: BOULADON, J., 1989, FRANCE AND LUXEMBOURG, IN DUNNING, F.W., GARRARD, P., HASLAM, H.W., AND IXER, R.A., EDS., MINERAL DEPOSITS OF EUROPE VOLUME 4/5: SOUTHWEST AND EASTERN EUROPE, WITH ICELAND: LONDON, THE INSTITUTION OF MINING AND METALLURGY AND THE MINERALOGICAL SOCIETY, P. 37-104.
- Deposit:: HARBEN, P.W., AND BATES, R.L., 1990, INDUSTRIAL MINERALS, GEOLOGY AND WORLD DEPOSITS: LONDON, METAL BULLETIN PLC, 312 P.
- Deposit:: CLARK, GERRY, 1980, INDUSTRIAL MINERALS OF FRANCE: INDUSTRIAL MINERALS, NO. 159, P. 23-55.
- Production:: BOULADON, 1989
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