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{{#badges: CoalSwarm|Navbar-Indonesiacoal}}The '''IndoMet Coal Project''' (previously referred to by BHP Billiton as the Maruwai coal project), covers five potential coal deposits in East and Central Kalimantan in Indonesia. The coal deposits were discovered by BHP Billiton in the late 1990's but initial development of the first of the five deposits within the broad project area - the [[Haju coal project]] -- did not commence until 2008, was shelved in 2009 and recommenced in 2013 with first production slated for 2014.
Other than the Haju mine, the other undeveloped metallurgical and thermal coal deposits are the [[Lampunut coal project]], the [[Luon coal project]], the [[Bumbun coal project]] and the [[Juloi Northwest coal project]] -- are located within seven Coal Contracts of Work (CCoWs). While BHP Billiton's plan is the develop the Lampunut project after Haju, the main focus of exploration work is on the Bumbun and Julio NorthWest deposits, both of which are proposed as open cut mines. In its 2013 Annual Report BHP Billiton revealed significant upgrade in the total resources of both Bumbun and Julio NorthWest deposits to 187 million tonnes and 810 million tonnes respectively. While significantly larger than both Haju and Lampunut, the delineation of the coal resource is only at the stage of an indicated and inferred resource.<ref name=AR2013Res>BHP Billiton, [http://www.bhpbilliton.com/home/investors/reports/Documents/2013/BHPBillitonAnnualReport2013.pdf "BHP Billiton Annual Report 2013"], September 2013, page 77.</ref>
In its 2013 Annual Report BHP Billiton revealed significant upgrade in the total resources of both Bumbun and Julio NorthWest deposits to 187 million tonnes and 810 million tonnes respectively. While significantly larger than both Haju and Lampunut, the Bumbun and Julio NorthWest despoits have been less intensively explored and the delineation of the coal resource is more speculative.<ref name=AR2013Res>BHP Billiton, [http://www.bhpbilliton.com/home/investors/reports/Documents/2013/BHPBillitonAnnualReport2013.pdf "BHP Billiton Annual Report 2013"], September 2013, page 77.</ref> As of early 2014, the combined coal resource of all the deposits is 1.271 billion tonnes, overwhelmingly of metallurgical coal.<ref name=AR2013Res/>
==Background==
BHP Billiton Minerals Exploration discovered the Maruwai coal deposit in Central and East Kalimantan "in the late 1990s".<ref name=Go>BHP Billiton, [http://www.bhpbilliton.com/home/investors/news/Pages/Articles/BHP%20Billiton%20Approves%20Maruwai%20Stage%20One%20Coal%20Development.aspx "BHP Billiton Approves Stage One Development of Murawai Coal Development"], Media Release, June 8, 2014.</ref> The Murawai coal project was has only been occasionally mentioned in subsequent BHP Billiton reports and then usually passinglywith little detail.
In a 2005 presentation for analysts, BHP Billiton reported that it had spent US$40 million on exploration of the project "to date" and that its concept was to develop the "Lampunut deposit and its associated Logistics Corridor" and that the Lampunut mine "will form a hub, the coal from the other 6 CCoWs will be