1990


On Site At Casa Beradi

In late April, the snow was off the ground at the Casa Berardi mine in northwestern Quebec. Temperatures hovered at a tolerable 12/7ch/C, and black flies and mosquitoes had yet to emerge from the vast…


Development ABCs

Through a period in the late 1980s when too many new domestic gold projects failed because the operators did not adhere to even elementary principles in proving up reserves and developing mines, opera…


The Advantages of O_2

Adding pure oxygen to a conventional cyanide leach circuit has several advantages. It reduces the consumption of cyanide, lime and lead nitrate; it reduces the requirement for compressed air; and it i…


Suppliers’ Notes (July 06, 1990)

Berlet Electronics of Mississauga, Ont. has appointed Thomson Technology of Sudbury as the northern Ontario representative for Telemotive radio remote controls. As the largest manufacturer of industri…


The Northern Miner, July, 1940

CHINS UP “We shall never surrender,” declared British Prime Minister Winston Churchill. And never in all history has a more stirring battle cry gone out from the leader of a free people bent on the de…


Making Allowances

In almost every joint venture or other property acquisition agreement wheremoney is spent on exploration, development or other mining work, the operator is allowed to charge an allowance for overhead …


C.I.M. IN U.S.A.

Environmental concerns that U.S. mining companies are grappling with today will probably be facing Canadian miners in the future. That prospect prompted the Canadian Institute of Mining and Metallurgy…



Geophysics made easy

IP Time Domain Equipment A new line of induced polarization (ip) time domain equipment is available from Androtex Ltd. of Mississauga, Ont. The instrumentation is easy to operate and employs the lates…


Clarification (July 02, 1990)

The Northern Miner issue of June 18, 1990, referring to a report published by the Ontario Securities Commission, said two executives of MSV Resources (ME), Mario Caron and Pierre Boudreault, purchased…



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