Newmont halts Indonesia mining operations - Financial TimesJun 5, 2014 . US mining group Newmont has halted operations at its Indonesian gold and copper mine and will put 3,200 workers on leave with reduced pay from Friday, after it failed to reach a compromise with the government over export restrictions. Indonesia is a key global supplier of metals and a law implemented.newmont mining may halt indonesia operations,Newmont Mining May Cease Copper and Gold Operations at Batu .May 8, 2014 . PT Newmont Nusa Tenggara's days of mining in Indonesia are numbered. On Wednesday, PTNNT – a fourth generation joint venture between US-based Newmont Mining Corporation and Japan-based Nusa Tenggara Mining Corporation – announced that it will be ramping down production at its Batu.