Rio Tinto PLC (RIO) has held talks with Riversdale Mining Ltd. (RIV.AU) about a A$3.55 billion takeover but hasn't submitted a formal offer, the target said Monday, sparking a 15% jump in Riversdale shares.

Riversdale, which has 13 billion tons in coking and thermal coal resources in its Benga and Zambeze projects in the southern African country of Mozambique, said Rio hadn't been in a position to submit a takeover proposal but had mooted a A$15 a share indicative takeover price.

Rio Tinto said it had no additional comment on the matter.

The indicative takeover price was quickly outstripped by the rise in Riversdale's stock to A$16.21, while two major shareholders told Dow Jones Newswires they would be unlikely to sell out for less than A$20.

"It's very difficult to find companies that are well-endowed with this sort of commodity in this sort of quantity in the mining game. It's two-thirds of the battle to find something that large," said Clive Donner, managing director of LinQ Resources Fund (LRF.AU), Riversdale's fourth-biggest shareholder.

"The market's telling us that A$15 isn't the right price. We think this thing is worth A$15-A$20 a share, so at A$15 it's on the low side."

Another major shareholder said in an email to Dow Jones that he would be unwilling to sell out for less than A$20 a share, which would put a A$4.73 billion price tag on the company's equity.

Andrew Gardner, an analyst at MF Global in Sydney, said Riversdale should be valued at A$17-A$18 a share on the quality of its assets alone, but the presence of major steelmakers as shareholders could drive the valuation higher.

Tata Steel Ltd. (500470.BY) and Companhia Siderurgica Nacional (CSNA3.BR), or CSN, hold respectively 24% and 13% of Riversdale shares, while Wuhan Iron & Steel Co. (600005.SH), or Wisco, entered a memorandum of understanding with the company which would give them 8% of the company in return for a US$800 million investment in the Zambeze project.

In a statement, Tata Steel said the company considers its stake in Riversdale a "valuable strategic investment". Tata added that it is monitoring the situation and will take appropriate action "as deemed necessary".

The statement further added that Tata Steel continues to be interested in developing Riversdale's mining assets.

Booming prices for coking coal, a high-quality variety of coal used with iron ore in steelmaking, have driven competition for assets between traditional mining companies and steel companies in recent years.

Platts mid-volatile coking coal at Queensland ports rose US$10 a metric ton Friday to US$214/ton excluding sea freight costs.

Steelmakers are looking to take stakes in mines and mining companies to ensure security of supply and reduce their dependence on traditional miners such as Rio.

ArcelorMittal (MT), the world's biggest steelmaker, last month offered C$433 million for Canadian iron ore explorer Baffinland Iron Mines Corp. (BIM.T), while the Wall Street Journal reported the company had looked at buying coal miner Massey Energy Co. (MEE), a top-five U.S. producer.

Analysts say Rio's slim 6.4% premium to the company's closing price Friday would be unlikely to convince Tata and CSN.

Rio Tinto PLC has held talks with Riversdale Mining about a A$3.55 billion takeover, but hasn't submitted a formal offer. Riversdale, which has 13 billion tons in coking and thermal coal resources in its Benga and Zambeze projects in the southern African country of Mozambique, said Rio hadn't been in a position to submit a takeover proposal, but had mooted a A$15 a share indicative takeover price.

An analyst, who didn't want to be named because he wasn't authorized to speak to the media, said Rio's offer would likely now provide a floor under Riversdale shares.

"I think they will trade above that for the foreseeable future. The question for Riversdale is how much of a risk you estimate for the projects starting up," he said. "If you value it as working as well as Riversdale says, it's worth a lot more than A$15 a share, and the fact that Rio's interested suggests the coal quality is good and the infrastructure issues can be overcome."

Coking coal is in strong demand as emerging economies engage in construction booms. However, supplies are limited, with two-thirds of global seaborne trade coming from Australia. Mozambique is expected to become the second-largest producer of the commodity within the next 15 years.

MF Global's Gardner said the offer could flush out other parties interested in Riversdale's assets. Multinational miner Vale SA (VALE) is often mentioned as a suitor for the company, although Gardner said its extensive adjacent holdings, and the fact that CSN is a major customer, would likely rule it out.

Riversdale has also said it would consider entering a joint venture with a diversified miner over its Tete East project. Anglo American PLC (AAL.LN) and BHP Billiton Ltd. (BHP) would fit the bill, although Gardner thinks an Indian steelmaker would be most likely.

A 120-day memorandum of understanding over developing its Zambeze project that the company entered with Wisco earlier this year ran out more than six weeks ago as the Chinese company waited on regulatory approvals, but a spokesman said Riversdale was still committed to advancing the deal.

-By David Fickling, Dow Jones Newswires; +61 2 8272 4689; david.fickling@dowjones.com

(Prasenjit Bhattacharya in New Delhi Bureau contributed to the article.)

 
 
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