The return of Misima and why Kingston is a red-hot spec

There was in 1999 a very good reason for deciding to close the Misima goldmine in Papua New Guinea...
8th February 2020
Resources Rising Stars

There was in 1999 a very good reason for deciding to close the Misima goldmine in Papua New Guinea. Somewhat oddly, it’s exactly the same reason to start again today (reports Stockhead).

The price of gold, which had plunged to $US252/oz ($374/oz) in May 1999, at the start of a gold-selling program by the Bank of England, determined the fate of the mine 21 years ago, whereas the current price of $US1553/oz underpins plans to redevelop Misima.

There are other factors in play, good and bad, but on balance the positives outweigh the negatives and make Kingston Resources (ASX:KSN), the company behind the return to Misima, one of the Australian stock market’s better gold exploration and development stories.

Located on Misima Island, which is one of the easternmost parts of Papua New Guinea, the mine has a history dating back more than 130 years with first production reported in 1888.

The young geology of the region, which is dominated by volcanic activity associated with the Ring of Fire that circles the Pacific Ocean, has revealed some of the world’s great gold and copper deposits on islands such as Lihir, Simberi, Woodlark, Bougainville, and Misima.

The relatively soft rock which holds most of Misima’s gold is a factor in turning ore grading little more than 1 gram per tonne (g/t) into a profitable operation thanks to the low energy requirement in crushing and processing.

After its early years as a prospector’s paradise, it was a Canadian company, Placer Dome, which put Misima on the global gold map, successfully operating on the island for 15 years between 1989 and 2004 at an average annual production rate of 230,000oz at a cost of just $US218/oz.

What stopped Placer Dome was the Bank of England’s 1999 decision to sell the lion’s share of its gold reserves in what ranks as one of the world’s worst-ever business decisions, launching a process which saw 395 tonnes of gold traded in 17 auctions that ran until early 2002.

Virtually from the day the bank said it was a seller Misima was doomed because Placer Dome needed to invest in a major pit expansion (cutting back the walls) to maintain production, an investment which didn’t make sense with the easier options being to run the mine down; which is what happened and why final closure was delayed until 2004.

For the past 17 years there has been no mining on Misima, which is located about 625km east of PNG’s capital, Port Moresby.

But the ground has been picked over by a number of interested companies, including a pair of Japanese copper miners who suspected that under the near-surface gold lies a big copper deposit, similar to Panguna on Bougainville island to the north of Misima.

Kingston entered the race to re-start goldmining on Misima three years ago when it joined a partnership with Japan’s Nippon Metals and Mitsui Mining, but is now in the final stages of lifting its stake in the project to 100 per cent.

What Kingston has at Misima is, at this stage, largely what Placer Dome left in 2004, an impressive 2.8 million ounces of gold in a large but low-grade resource measuring 82.3 million tonnes of material at 1.1g/t.

It’s from that starting point that Kingston is exploring with a two-rig drilling campaign testing a number of locations for richer pods of ore to boost early-stage production.

Read more at https://stockhead.com.au/resources/tim-treadgold-the-return-of-misima-and-why-kingston-is-a-red-hot-spec/

 

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