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Norway | |
| Grorud, Hans-Fredrik (1997) Textural and compositional characteristics of cobalt ores from the Skuterud Mines of Modum, Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 77 (1) Norsk Geologisk Forening (Geological Society of Norway) 31-38 Neumann, Henrich (1985) Norges Mineraler [The Minerals of Norway]. Norges geologiske UndersĂžkelse Skrifter Vol. 68. Universitetsforlaget |
| Antun, P. (1967): Sedimentary pyrite and its metamorphism in the Oslo region. Norsk Geologisk Tidsskrift. 47, 211-235. |
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Sweden | |
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| Sandström, Frej, Lorin, Torbjörn, Niklasson, Sven Olof, Strand, Urban (2011) Zinkgruvan. Litofilen. Medlemsblad för VÀsterÄs AmatörGeologiska SÀllskap, 28 (1) 15-37 |
| Tillberg, Mikael et al (2014) Au- and Ag-rich phases detected by LA-ICP-MS trace element analysis of sulphide and sulpharsenide minerals in HĂ„kansboda copper-cobalt deposit, Bergslagen, Sweden. 31st Nordic Geological Meeting, Lund Sweden. Adolfsson, Stig G. (1972) Hakansboda Copper and Cobalt Deposit, Sweden. The Mineralogical Record, 3 (1) 38-39 |
| Johan Söderhielm, company geologist for Dragon Mining, information to Aksel Ăsterlöf 19.09.2012 |
| Grip, E. (1951). Geology of the sulphide deposits at MenstrÀsk and a comparison with other deposits in the Skellefte district. Norstedt. SVERIGES GEOLOGISKA UNDERSOKNING ARSBOK 44 (1950) N:O I |
HĂ„kansboda, StrĂ„ssa, Lindesberg, Ărebro County, Sweden