* GRAPHIC-2020 asset returns: http://tmsnrt.rs/2jvdmXl

* BHP winds down small Chile copper mine

(Updates prices, adds treatment charges)

By Zandi Shabalala

LONDON, July 2 (Reuters) - Copper gained for a sixthstraight session on Thursday due to supply disruptions in theworld's largest producer Chile and more signs of recovery inlarge economies.

Three-month copper on the London Metal Exchange CMCU3 wasup 0.3% at $6,077.50 a tonne by 1644 GMT, after touching itshighest since Jan. 22.

The metal was on track for its seventh straight week ofgains, which would be its longest winning streak in nearly threeyears.

"Lockdowns are easing in many economies and that shoulddrive up demand," said WisdomTree analyst Nitesh Shah.

"At the same time, mines in Chile are experiencing problemsin terms of COVID-19 cases."

BHP Group BHPB.L BHP.AX said it would ramp down activityat its Cerro Colorado copper mine in Chile. The mine produced71,700 tonnes of copper in 2019, accounting for about 1.2% ofChile's total. urn:newsml:reuters.com:*:nL1N2E81O4

This comes a week after Chile state miner Codelco said itwould close its refinery and foundry operations at itsChuquicamata division to arrest the spread of the coronavirus. urn:newsml:reuters.com:*:nL1N2E22UD

GLOBAL ECONOMY: A slump in global manufacturing showed signsof easing in June as a rebound in Chinese and U.S. activityoffered some hope the world's two largest economies may havepassed the worst of the devastation caused by the novelcoronavirus, while the collapse in European factory activityabated. urn:newsml:reuters.com:*:nL8N2E84X6

POSITIONS: Supporting copper were rising bets for higherprices, with the net long on LME copper extending to around 5.3%of open interest as of Tuesday, according to broker MarexSpectron. These are levels not seen since January.

SUPPLY DEALS: China's top two copper smelters, JiangxiCopper 600362.SS 0358.HK and Tongling Nonferrous 000630.SZ clinched copper concentrate supply deals with miner Antofagasta ANTO.L for the first half of 2021, sources said. urn:newsml:reuters.com:*:nL8N2E94HY

OTHER PRICES: Aluminium CMAL3 was up 0.2% at $1,623.50 atonne, zinc CMZN3 was flat at $2,042, lead CMPB3 added 0.5%to $1,780, tin CMSN3 rose 0.6% to $16,850 while nickel CMNI3 gained 0.7% to $12,930.

(Reporting by Zandi Shabalala, additional reporting by MaiNguyen; Editing by Mark Potter and Alexandra Hudson, KirstenDonovan) ((zandi.shabalala@tr.com))

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