April 3 (Reuters) - Copper operations in Chile, the world's top producer, have emerged unscathed from the major earthquake that struck on Tuesday night and the strong aftershock that followed the next night in the mineral-rich north. But several ports that ship metals from the Andean country remained closed on Thursday due to rough waters, suggesting some exports and trade flows may be disrupted. Mines in Chile, which provides roughly a third of the world's red metal, are built to be highly resistant to earthquakes. Here is a list of major mines in the area and their status: - Collahuasi, Glencore Xstrata and Anglo American's copper mine, is unharmed. The major deposit was evacuated following Tuesday's 8.2 quake to allow workers to be with their families. The mine, perched high in the Andes near Iquique, was in the process of normalizing operations. - World No.1 copper producer Codelco said none of its massive red metal mines have been affected by the seismic activity. The state miner has also said no problems had been reported on roads leading to its operations and ports. - Quebrada Blanca, Teck Resources Ltd's copper mine, has confirmed operations were fine. - Global miner BHP Billiton has also said its Cerro Colorado deposit was functioning as usual. - London-listed Anglo American Plc's Northern mines Mantos Blancos and Mantoverde, as well as its centrally-located Los Bronces, were intact too. (Reporting by Santiago newsroom; Writing by Alexandra Ulmer; Editing by Marguerita Choy)
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