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Bulgaria | |
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| Dobrev, S., Vassileva, M., & Kolkovski, B. (2004). Hetaerolite from Madjarovo Au-base-metal deposit, Eastern Rhodopes. In Annual Scientific Conference of the Bulgarian Geological Society “Geology 2004 (pp. 16-17). |
- Panagyurishte Municipality
| Chavdarova, S., Stavrev, M., Hikov, A., & Peytcheva, I. (2022). New data on the geochemical and mineralogical features of the main manganese-and iron-bearing ore occurrences in the Central Srednogorie Zone, Bulgaria. |
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| Bulgarian Academy of Sciences Annual Report No. 13, 43-45. |
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| Vassileva, M. and Ruskov, K. (2007) Ca-phyllomanganate (rancieite) from the Kremikovtsi iron deposit. Annual of the University of Mining and Geology "St. Ivan Rilski", vol. 50, Part I, Geology and Geophysics, 29-36.
Radonova, T.G., Daskalova, Y., and Pounev, L. (1967) Rancieite, coronadite and beidellite – new minerals for the Kremikovtsi iron deposit. Bulletin of the Geological Institute: Geochemistry, Mineralogy and Petrography, 16, 127-133. |
