Free lime (CaO) makes up approximately 40-45% of the white slag material and reuse of this would reduce pressures on natural limestone resources (as well as reduce the considerable energy inputs and emissions involved in converting calcareous rocks into limestone).
However, up to now only the more calcareous rocks of the Juuru, Raikkula, and the lower part of the Adavere regional stages, corresponding to the lower and middle Llandovery, have been sufficiently well studied.
The Camp Zone Target is a disseminated gold target which occurs in a structural/stratigraphic domain (the Southern Domain) characterized by strataform alteration and mineralization hosted by a previously unmapped sequence of calcareous rocks.
The project hosts several mineralization styles including an igneous rock hosted breccia pipe, several replacement zones of mineralization in calcareous rocks, and mineralization hosted in volcanoclastic rocks.
Gold mineralization occurs in a number of different geological settings including: discrete quartz veins and stockworks within shear zones, replacement zones and skarn within calcareous rocks, and as disseminations within intrusive rocks.