Freeport Indonesia Tbk has restarted underground mining
operations at its Grasberg Mine in the West Papua province of
Indonesia, two months after a tunnel collapse led to a
suspension of operations.
"Yesterday we received
an official letter from the Ministry of Energy and Mineral
Resources approving the production start at the underground
mine," Daisy Primayanti, vice president of corporate
communications, told AMM sister publication Metal
Bulletin July 10.
Earlier in June, PT
Freeport Indonesia said it had restarted open-pit mining and
mill operations at the Grasberg copper mine (
amm.com, June 24).
"We had only two
shipments after the production resumption of the open-pit mine:
one in early June to China and then in early July to Gresik
(smelter in Indonesia)," Primayanti said.
The shipments of
copper concentrate were about 9,000 tonnes in June and 23,000
to 24,000 tonnes in early July, she said, adding that Grasberg
normally averages 10 shipments per month.
PT Freeport Indonesia
usually produces about 220,000 tonnes of ore per day, with
about 140,000 tonnes from the open-pit mine and 80,000 tonnes
from underground mining operations, local media and analysts
Freeport Indonesia, a subsidiary of Freeport-McMoRan Copper
& Gold Inc., declared force majeure on
Grasbergs concentrate shipments after an accident at the
site saw operations temporarily suspended (
amm.com, June 12).
majeure situation has not (been) resolved," Primayanti
said, adding that the company hadnt yet reached targeted
The ramp-up to full
capacity at the underground mine "may take one month," she
said. "(The ramp-up) depends on many things, one of which is
getting all workers back to work. Most miners havent come
to work (Wednesday)."
Grasberg is one of the
worlds largest copper-gold mines, employing more than
A version of this
article was first published by AMM sister publication Metal