The deposit is characterized by peaks of 1,060m. Mineralization extends over a strike length of 40km and is divided between Kalia I and Kalia II, mapped at strike lengths of 19km and 20km, respectively. The Kalia I deposit is found within the axial region of the Lower Proterozoic greenstone belt. The west-northwest trending belt includes rocks of the Kambui supergroup and is surrounded by gneiss granites of the early proterozoic period in the north and the biotite granite gneisses in the south. Rocks enclosing the mineralized zone are composed of a wide range of schists. Amphibolites of varied compositions are also widely concentrated. The southern margin of the deposit hosts bands of talc-rich assemblages with actinolite-talc and chlorite-talc schists that comprise magnetite dissemination and are ten to 50m thick. The mineralized zone is dominated by several close-banded irons, amphibole-magnetite schists, and talc magnetite schists bearing ore bodies that have a west-northwest strike and a near-vertical dip. A late archean-aged intrusive massif containing mesocratic granites and granodiorites is hosted in the west-northwest section of the deposit. The southeast section is cut across by a massive early proterozoic-aged intrusive body containing monzogranites. The deposit also hosts narrow occurrences of sulfide mineralization including pyrrhotite-chalcopyrite and bornite-chalcopyrite-pyrrhotite and pentlandite-chalcopyrite mineral assemblages. Almost on all types of rocks, surface weathering crust, a characteristic feature of the deposit is found. The crust contains three types of iron ore-bearing material: large haematite/goethite type iron oxide, canga type oxidized ores, and detrital ore. The Kalia II deposit, hosted within the Kambui Supergroup greenstone belt, is geologically similar to Kalia I with identical bounding geology. Structurally, however, the deposit is complex and includes extensive faults and folds. Large magnetite-haematite and magnetite quartzites-bearing bodies are found within the axial zone of the belt. The belt is characterized by a vertical dip across its length. Inter-bedded schists, amphibolites, and banded iron formations with thickness ranging between dozens of meters and 250m constitute the target zone of this deposit. The deposit features steep escarpments formed along ridge flanks with narrow ridge crests.
Kalia is owned and operated by Bellzone Mining. The project, funded by the China International Fund, is estimated to cost $4.45bn and will include associated rail and port infrastructure Project Status: The project is being executed in three phases. Phase one carried out between November 2005 and November 2007, completed the preliminary stages of ore body assessment. The magnetic survey, geological mapping, and a surface assay conducted during this phase revealed the economic potential of iron mineralization. Phase two, commissioned in November 2007, has completed to date, a 50-member exploration camp and associated services, collection and interpretation of technical data besides assessment of baseline environment impact. In addition, during this phase, a feasible infrastructure solution was developed, the first JORC resource was defined and an implementation plan was established. Additional works during this phase included a definition of the measured and inferred resources, metallurgical characterization test-work, socio-economic, environmental, and feasibility studies, and securing government approvals and licenses. Phase three will cover the construction, production ramp-up, and complete operational handover of the facility. The phased delivery will take place in two stages. During stage one 20Mt of direct shipping, ore will be produced by 2014. By 2015, the concentrate production will reach 10Mt/y. Stage two will achieve 30Mt/y of DSO production by 2017. Concentrate production will reach 20Mt/y by 2018.
Physical and chemical properties
Good accessibility by road. The lump and fine products will be loaded and hauled to the nearby port by road.
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