Articles by Northern Miner Staff


Low sales continue to plague Potash Corp.

A substantial drop in sales to the Potash Co. of America as it resumed its own production at the Patience Lake mine was the main factor behind a 84% first-quarter earnings tumble for Potash Corp. of S…


Safety important issue says new CDDA President

C.D. (Bud) MacDonald has been president of the Canadian Diamond Drilling Association for only several weeks, but already he expects that safety will be one of the more important issues to be dealt wit…


LETTERS TO THE EDITOR Noranda clarifies `tin suit’

For the record, your April 23 issue referred to “Tin suit fails” in which it was indicated that Noranda lost its suit against the federal government over the International Tin Council affair. In fact,…


INSIDE Australian rig a major innovation

Hailed by some as the most exciting and innovative development in the drilling industry since the introduction of the wire-line core system, the multi- purpose drill rig system developed in Australia …


INSIDE Research in drilling could help industry

The National Research Council is involved in studies to refine devices used in testing drill bit performance and to optimize drill bit composition and drilling conditions. The results could prove to b…


Lab a memorial to Dr. Duncan Derry

A new electron microprobe lab, built as a memorial to Dr. Duncan Derry (1906-87), opened recently at the University of Toronto. Derry, an Officer of the Order of Canada, was inducted into the Canadian…


INSIDE Core drilling used in geothermal work

Geothermal exploration has traditionally been done using large oil field equipment, but advances in equipment and techniques have given exploration companies an alternative method of drilling, in part…



Metal Prices (May 21, 1990)

FREE MARKET London Metal Exchange Spot closing prices in $US per tonne, except copper and lead (pounds sterling per tonne) Date May 15 May 14 May 11 May 10 May 9 Copper 1583-1585 1643-1644 1690-1695 1…


INSIDE Ocean drilling off B.C. coast

An international research body plans to drill a base metal deposit off the coast of British Columbia next summer as part of an international research initiative to study the geology of the world’s oce…



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