COMPACT CORE DRILLS
Diamond-impregnated bits and Dthe wireline method of recoverDing core (without removing the drill rods) have been an industry standard since they were introduced in the 1970s Various safety features …
News
MR EXPLORTATION Noranda Exploration’s John Harvey
Throughout its history the Noranda company * * * has manifested what is tantamount to genius in finding, by accident or design, the right man for the job — from the book “Noranda” by Leslie Roberts N…
50 YEARS AGO TODAY ROCK BURST STUDY
The question of rock bursts in northern Ontario mines is receiving the study of government authorities, Premier Hepburn has announced Some 10 days or so before the recent Lake Shore accident, a commit…
THE BIG NICKEL SEARCH
These are not exactly boom times in nickel exploration for Canada’s two major nickel producers It’s not like the late 1960s and early 1970s when Inco Ltd went searching for lateritic nickel deposits …
50 YEARS AGO TODAY DEAN OF GEOLOGISTS
A world figure and one of the leading scientists of his time has passe d from the picture In the death of Dr Arthur Philemon Coleman, dean of Canadian geologists, the country has lost a great contrib…
Letters ON METRIC, BONUSES, PINCHI
In the November issue, there was a letter that suggested you contributed to the confusion between metric and other systems of measures It referred to an earlier article that stated one troy ounce is …
THE CARIBOU MILL
Skeptics in the industry will be watching the metallurgical results at Caribou very closely But Mill Manager Steve Williams and Mill Foreman Vic Ferron are confident it will perform up to snuff That…
THE ART OF SAMPLEING
In black type and couched in an authoritative tone, a press release from the would-be mining company announces an initial ore reserve figure: “2 5 million tonnes grading 6 3 g gold per tonne ” This is…
50 YEARS AGO TODAY NORTHERN MINER APPEARS IN TIME
Canadian mining crashed U S news magazine columns last week when Time, the popular big-circulation vehicle, picked up an exclusive report from The Northern Miner The item concerned the impending entr…
Letters Pinchi Lake
Our work within the Bridge River mining camp of southwest British Columbia has shed new light on regional metallogeny: recent discussions concerning the nature and distribution of metal concentrations…
BRAVING THE ELEMENTS
A shining metal headframe, a small trailer complex of offices and a long, metal building sparkle in the sunlight of a rare perfect day on the Barrens at Courageous Lake, N W T Here, Thyssen Mining Co…
RESEARCH IMPROVED SLAG FUMING
Recent modifications to a zinc Rextraction process at CoRminco’s Trail, B C , smelter have almost doubled production efficiency during plant testing Tests of the modified zinc slag fuming process, co…