43-101 Report
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The Jadar lithium project is approximately 100 kilometres west of Belgrade and is wholly owned and operated by Rio Tinto through Rio Sava Exploration d.o.o.
The project area has excellent infrastructure with road, rail and river transport options available. All utilities are immediately accessible (electricity, gas, telecommunications).
Summary of Exploration Results
The Jadar deposit was identified in 2004 while drilling Miocene lake sediments in the search for sodium borates. Thirty eight diamond holes have been drilled at Jadar.
The deposit comprises an upper Colemanite Zone overlying the Upper, Middle and Lower Jadarite Zones. The main economic mineral is jadarite with subordinate colemanite and ulexite/probertite. Jadarite, LiNaB3SiO7(OH), a mineral species first identified at Jadar, contains 7.3%Li2O and 47.2%B2O3 and is a potentially economic source of lithium and boron. The Lower Jadarite Zone lies between 300 and 600 metres below surface and ranges from 9 to 20 metres in thickness. Only the Lower Jadarite Zone is included within the current Inferred Resource.
Generalised resource model cross section
The Order of Magnitude study indicated that the Jadar lithium project is amenable to conventional underground mining. A simple upgrading process produces a mineral concentrate from which two saleable products (lithium carbonate and boric acid) can be extracted. Capital and operating costs were estimated for a nominal ore production rate of 1 million tonnes per annum and support the classification of an Inferred Resource1.
| Classification | Million tonnes | %Li2O | %B2O3 |
| Inferred Resource | 114.6 | 1.8 | 13.1 |
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