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USA | |
- Spenceville Mining District
| Flohr, M.J.K. (1982) Geochemistry and origin of the Bald Knob manganese deposit, North Carolina. Economic Geology: 87(8): 2023-2040. |
| Flohr, M.J.K. (1982) Geochemistry and origin of the Bald Knob manganese deposit, North Carolina. Economic Geology: 87(8): 2023-2040. |
- Ladd-Buckeye Mining District
| Huebner, J. S., Flohr, M. J., & Grossman, J. N. (1992). Chemical fluxes and origin of a manganese carbonate-oxide-silicate deposit in bedded chert. Chemical Geology, 100(1-2), 93-118. Flohr, Marta J. (1990) Microbanded manganese formations Flohr, M.J.K. (1982) Geochemistry and origin of the Bald Knob manganese deposit, North Carolina. Economic Geology: 87(8): 2023-2040. Huebner, J. Stephen protoliths in the Franciscan Complex, California USGS Professional Paper 1502. |