
Miners advancing more brine deposits
A number of companies are venturing into the lithium market in response to the demand; the table below lists the largest according to their aggregate, attributable lithium reserves and resources as of January 10, 2018.
Quimica y Minera de Chile takes top spot with over 20 million tonnes of lithium oxide in reserves and resources, aggregated from its Mt Holland - Lithium, Cauchari-Olaroz and Salar de Atacama properties, located in Australia, Argentina and Chile, respectively, which are some of the world's largest lithium deposits.
Lithium can be sourced from hard rock or brine deposits. In this analysis, out of the 89 properties with lithium reserves and resources, hard rock deposits contain the lion's share at 65%, and the remaining 35% is in brine deposits. Since brine deposits are easier to mine than hard rock deposits, brine deposits are more advanced in terms of development: 48% are in the mining stage, preproduction and production, compared with 21% of hard rock deposits.
The largest hard rock lithium deposit is Bacanora Minerals' Sonora property in Mexico, which has 3.6 Mt of lithium oxide in reserves and resources. Among brine deposits, government-owned Comibol's Uyuni Salt Flat project in Bolivia is the largest with 39 Mt of contained lithium oxide.
Lithium-focused activity continues to ramp up
There has been an increasing tempo of drilling and M&A activity surrounding lithium over the past three years. In 2017, there were 166 lithium-focused deals valued at US$565 million, compared with 44 deals valued at US$120 million in 2015. Lithium streaming deals and exploration earn-in agreements are some of the largest deals in the lithium space.
The top two primary lithium deals by deal value in 2016 and 2017 were company acquisitions. The largest, valued at US$201.1 million, was the acquisition of Canada-based Lithium X Energy by NextView New Energy Lion HongKong in December 2017. The second largest was the merger of Australian miners Galaxy Resources and General Mining in May 2016, with a deal value of US$152.3 million.
The third-largest deal, and also the largest primary lithium asset acquisition, was GUO AO Lithium paying US$60 million to acquire a 60% interest in the reserves development-stage Moblan lithium project in Quebec, Canada, from Shenzhen Zhongjin Lingnan Nonfemet
Lithium drilling activity more than doubled over the past two years. Lithium explorers reported 2,625 drillholes containing 1,196 significant intervals in 2017, compared with 1,306 drillholes containing 576 significant intervals in 2016.


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