News

Debunking a myth DEFINITIONS AND METHODOLOGY

A discovery is defined here as a mineral deposit attractive enough to have warranted the expenditure necessary to establish its tonnage and grade. The date of discovery is normally taken to be the yea…



WHAT’S NEW An Infrared Camera

A hand-held portable infrared camera is now available from isi Group of Albuquerque, N.M. The unit, called the VideoTherm camera, can give the user actual temperature readouts. The graphics package al…


A BREAKNECK PACE JOHNNY MOUNTAIN

Measured reserves of fewer than 130,000 tons might seem a touch on the light side for anyone to start talking about a mine. But Skyline Resources is more than just talking about that reserve figure fo…


A BREAKNECK PACE Goldex

Back in 1973 when the price of gold was a trifling $80(us) an ounce, Goldex Mines was driving a decline at its Dubuisson property, near Val d’Or, Que. There was even talk of putting the property int…


A BREAKNECK PACE Bell Creek

The Canamax game plan goes as follows: like most other junior explorers, the company first focuses on promising exploration projects. It then sets an “economic hurdle,” such as establishing that a pro…


Cross-Cuts FLOATING ON SUPERLATIVES

Harnischfeger’s new and massive dredge floats on superlatives (and water, of course): largest; most powerful; its 50-cu-yd clamshell bucket can plop immense mucky loads into a 6,000- cu-yd companion s…


A BREAKNECK PACE Golden Rose

At the turn of the century, gold nuggets were found on the shore of a lake 60 miles northwest of North Bay, Ont. Four decades passed before anyone formally mined the deposit. That operation, known as …


A BREAKNECK PACE Detour Lake

The Detour Lake gold mine, northeast of Timmins, Ont., shifted from an open-pit to an underground operation late last year. At the time of writing, the operators were processing low grade, stockpiled …


WHAT’S NEW Another Small Scoop

Wagner Mining Equipment of Portland, Ore., has joined John Clark (see What’s New in our December issue) in offering an electrical-powered load- haul-dump machine. Called the Mini-scoop, Wagner’s unit …


WHAT’S NEW Surveying Instrument

A compact, lightweight and economical surveying instrument capable of angle and distance measurement has been introduced by Nikon, of Garden City, N.Y. The instrument can calculate co- ordinates and t…


A BREAKNECK PACE Holt-McDermott

In the pantheon of producing mines controlled or owned outright by American Barrick Resources, the Holt-McDermott property should hold a place of distinction. Once this property comes on-stream, it wi…


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