By Alex MacDonald
A massive Mongolian copper mine in which Rio Tinto PLC (RIO)
owns an interest will need a slightly smaller budget to expand
below ground but the project will only move ahead once all issues
with the Mongolian government have been resolved, the company that
owns the rights to the mine said.
Canada-listed Turquoise Hill Resources Ltd. (TRQ), which is
50.8% owned by Rio, said it would cost $4.9 billion to expand the
Oyu Tolgoi mine underground, compared with a previous estimate of
$5.1 billion. The figure excludes $0.5 billion of capital spent
this year and last year.
The mine, which sits on one of the world's largest copper and
gold deposits, began commercial production last summer and could
represent a third of landlocked Mongolia's economy.
The latest study, whose publication has been delayed several
times, will need to be approved by all the mine's shareholders and
stakeholders before the project can proceed. Oyu Tolgoi is operated
by Rio Tinto and 66% owned by Turquoise Hill with the remaining 34%
held by the Mongolian government.
The underground mine project was put on hold last summer
following a protracted dispute with the Mongolian government over a
series of issues, including timing of the revenue stream to be
incurred by the government from the project, terms of financing
burden, and claims of unpaid taxes, penalties and disallowed
entitlements connected with the initial development of Oyu Tolgoi,
which cost $6.2 billion to develop.
Write to Alex MacDonald at alex.macdonald@wsj.com
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