U.S. REPORT — Texas Star drops Keystone
With the recent completion of an 8-hole drilling program on the Keystone project in South Dakota, Cyprus Minerals (NYSE) has opted to drop its option. Cypress could earn a 50% interest in the property…
News
CALENDAR (November 01, 1992)
1993 Jan. 18-20, Ottawa. 1993 Current Activities Forum, Collaboration — the Key to the Future. Contact the Geological Survey of Canada, Susan Mrak, (613) 992-0640. Feb. 21-24, Scottsdale, Arizona. Se…
HEAP LEACH
Certain articles appearing in the mainstream American press in recent years will have raised a few eyebrows in metallurgical circles. Namely, references to a new process developed by US researchers fo…
PAYBACK”S THE KEY
Williams mine manager Peter Rowlandson probably said it best: “If we can get 5 cents here, 10 cents there, and multiply by two million tonnes, that’s quite an improvement.” And that’s what most mine…
WILD THEORIES
Idon’t get it. When I look at a map of Canada, I see wilderness covering at least three-quarters of its surface. The World Wildlife Fund (WWF) sees the “pestilence” of modern civilization everywhere…
MICRON GOLD
The infinitely small particle size of Barrick’s gold, and of other producers on the Carlin trend, is directly attributable to its hot-spring origin. Less well known, the accompanying pyrite (plus up t…
ENERPAC’S POWER WRENCHES
Enerpac’s trademarked Plarad line of hydraulic power wrenches is now available through a worldwide network of dealers. Plarad has two system types: the low profile UKS system for work in tight areas o…
AMERICAN BARRICK BONANZA
When the Spaniards discovered the high-grade orebo Peru and Bolivia they had a name for them — bonanzas — a word that conjures up the prospect of untold riches. The language of their cooler-blooded …
GIBRALTAR’S JUST SCRATCHED THE SURFACE: Theory becomes
Gibraltar mine exploration geologist George Barker was mildly optimistic when he hopped into his company pickup on a Saturday morning late in the summer of 1990. He was off to check core from a diamon…
TWO DECADES ON A ROLLERCOASTER
As one of the lowest-grade producers in North America for the past 20 years, the Gibraltar open-pit copper mine has constantly striven to control, and reduce when possible, operating costs. At the out…
PRODUCER PRICES (October 26, 1992)
ALUMINUM: MW U.S. market US54.50-55.50 cents per lb. (Oct. 8, 1992). ANTIMONY: MW New York dealer US78-88 cents per lb. (Jun. 11, 1992). BISMUTH: MW New York dealer US$2.35-2.70 per lb. (Jun. 11, 1992…
OBITUARY — Dennis Sheehan discovered Bousquet for Lac
Well-known geologist Dennis Sheehan died Oct. 15 from a heart attack, while playing in a hockey game. He was 56. President of Tri Origin Exploration, Sheehan was born and raised in Blind River, Ont., …