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DETOUR LAKE

When we last visited the Detour Lake operation, 209 km northeast of Timmins, Ont., miners were just beginning to pull up gold from underground following a brief but troubled open-pit phase. Today, one…


Metal Prices FUTURES PRICES (May 01, 1989)

N.Y. Commodity Exchange Week’s High Low Close Change COPPER (in US cents per lb.) May138.55 136.00 138.30 — 2.60 Jul135.50 132.60 135.40 + 2.20 Sep130.00 127.70 …


Mill start up at Highland Valley

In a move to expand production and increase operating efficiency, Highland Valley Copper relocated two previously shut-down mills to a site adjacent to the former Lornex milling complex at its huge co…


Grant to help Indians in deal with Bond Gold

The Windigo tribal council will receive a $46,000 provincial grant to fund the implementation of an agreement with Bond Gold Canada (TSE). The band will get social and economic benefits from Bond’s Go…


What’s New Portable Filter

A portable pressure filter, suitable for doing tests to determine the filtration and washing properties of slurries either in the lab or in the field, is available from Outokumpu Equipment Canada of M…


Australia’s Gwalia opens U.S. office

Another Australian mining company has opened an office in the United States. Gwalia (USA) Ltd., the North American affiliate of the Gwalia Group, has established an office in Denver, Colo. The company…


Eastmaque to expand production at Cargo Muchacho

By September of this year, Eastmaque Gold Mines (TSE) is expecting to pour the first gold from its new American Girl Canyon open pit mine in California. The heap leach operation is part of the company…


50 Years Ago ZINC OUTPUT DROPS

Canada produced 30.6 million lb of zinc during January. In the preceding month 31.9 million lb were produced, while in January, 1938, the output was 34.8 million lb. The average price of zinc on the L…



THE ECONOMICS OF THIOUREA

If cyanide costs $2 per kg and if it costs between $8 and $14 per kg to destroy it by chemical methods, then it may be more economic for a gold mine to use thiourea to leach its ore. Here’s the reason…


Cross-Cuts NASA MINES LTD.

It now lies within the realm of possibility, if not probability, that by early in the next century geologists will be chipping at rocks on the surface of the moon in a serious mine-finding effort. Moo…



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