Basalt from Kardzhali Province, Bulgaria
Bulgaria | |
| J.Ralph and P.Martynov site visit 2023 |
| Strashimirov, S., Dobrev, S., Stemenov, S., & Dragiev, H. (2005). Silver-bearing minerals from the ore body “North” in Sedefche epithermal Au-Ag deposit (eastern Rhodopes). Annual of the University of Mining and Geology “St. Ivan Rilski, 48, 143-148. |