Search Documents
Search Again
Search Again
Refine Search
Refine Search
- Relevance
- Most Recent
- Alphabetically
Sort by
- Relevance
- Most Recent
- Alphabetically
-
Molybdenite in CanadaBy H. H. Claudet
PROBABLY the first flotation mill for treating molybdenite ores was put into operation .in Norway during 1913, when the writer was employed to introduce and apply the Elmore vacuum flotation process a
Jan 1, 1944
-
The Sams Creek Peralkaline Granite Hosted Gold Deposit, Northwest Nelson, New Zealand ù A New Variant on Alkaline Intrusion-Related Gold DepositsBy K Faure
At Sams Creek a peralkaline granite porphyry dyke hosts gold-bearing sulfide-quartz-siderite veins. The granite dyke intrudes Ordovician-Silurian metapelite and quartzite, and has thin lamprophyre dyk
Jan 1, 2004
-
Industrial Development in British Columbia Past, Present, and FutureBy J. C. Ingram
IT SEEMS particularly appropriate that, in celebrating its Diamond Anniversary, the Canadian Institute of Mining and Metalturgy chose our Province of British Columbia as its locale in this, our own Ce
Jan 1, 1958
-
Use of Electric Field Measurement and a Weather Data Service for Lightning Warning at the US Bureau of Mines' Pittsburgh Research CenterBy Lon D. Santis
This paper describes a lightning warning system (LWS) in operation at the U.S. Bureau of Mines' (USBM) Pittsburgh Research Center (PRC) from December, 1989 to April, 1991. An electric field mill measu
Jan 1, 1993
-
Engineering Opportunities in Oriental CountriesBy John Wellington Finch
WHAT is an engineering opportunity? To the mining .engineer the natural assumption is that the first requisite 'is a mineral deposit, but, of course, it is not so simple as that. There are at var
Jan 1, 1924
-
Risk Management in Action—Controlling Difficult Ground by Innovation (dbc5f12b-b47f-4e14-bceb-0a19e2c07d89)By A. Moergeli
The Swiss are currently building the world’s longest tunnel, the 35-mile long Gotthard Base Tunnel. At Sedrun, for the first time in tunneling, four Roadway Support Machines will drive through most di
Jan 1, 2005
-
Canadian Asbestos In World Competition ? IntroductionBy Karl V. Lindell
Asbestos is not the name of a distinct mineral species, but rather the commercial term applied to the fibrous form of several minerals differing widely in composition. There are some 30 known varietie
Jan 1, 1964
-
Diamonds In Arkansas.By George F. Kunz
THE recently discovered occurrence of diamonds near Murfreesboro, Pike county, Ark., was brought to. our attention by Mr. Samuel W. Reyburn (Trustee for Messrs. C. S. Stifft, A. D. Cohn, August Zinsse
Mar 1, 1908
-
Coal fields of the East Kootenay region, southeastern British ColumbiaBy D. A. Grieve
"Mineable coal seams in the East Kootenay region belong to the Mist Mountain Formation of the Jurassic -Cretaceous Kootenay Group. Three structurally separate coal fields (Crowsnest, Elk Valley and Fl
Jan 1, 1985
-
Modern Cement Manufacture in NorthlandBy R Harding, T Hunt
For the past 120 years, Portland cement manufacture has been undertaken on the shores of the Whangarei Harbour in northern New Zealand. Through a serendipitous conjunction of geo-chemistry, the argill
Jan 1, 1999
-
Industrial Minerals 2004 - NitrogenBy D. A. Kramer
Ammonia, the principal source of fixed nitrogen, was produced by 16 companies at 31 plants in the United States during 2003. Fifty-five percent of U.S. ammonia production capacity was centered in Lou
Jan 1, 2005
-
CONSCAN, A Laser Measurement System for Furnaces which are Operating on High TemperaturesBy Oliver Zach
To know as much as possible about the condition of the refractory material (lining thickness, slag layer, build ups, ...) in an high temperature furnace is very important due to the safety and economi
Jan 1, 2006
-
Research in the Steel IndustryBy John A. Mathews
RESEARCH in the steel industry, as in other lines of manufacturing, has for its principal purpose the increasing of profits. That is what manufacturing companies are for, and all departments of the or
Jan 1, 1921
-
The Application of Hedging in Mine FinanceFuture metal prices play a direct role in both the economic evaluation and short to medium planning of a mine scheduling sequence. It is difficult to predict with accuracy the future price of volatile
Jan 1, 1980
-
Application of Regional Subspace Detection to Identify Mining Related SeismicityBy Keith D. Koper, Kris L. Pankow, Derrick J. A. Chambers, Michael K. McCarter
"In a mining environment, high quality seismic event catalogs are often useful in interpreting local stress states and identifying areas with elevated ground control risk. Installation, operation, and
Jan 1, 2015
-
Pelletizing Of Various Iron Ore Concentrates And Natural Ores As Practiced By The Cleveland-Cliffs Iron CompanyBy Roy A. Koski
INTRODUCTION Cleveland-Cliffs Iron Company, and its subsidiary companies, operate and manage mining, beneficiation, and pelletizing operations in the Upper Peninsula of Michigan, the province of O
Jan 1, 1977
-
Highwall mining technology— A review of current status and design methodsBy N. R. Thote, J. L. Porathur, C. P. Verma
Highwall mining is a highly mechanized coal mining method associated with several advantages, such as a very high production rate (approximately 3,000 t/d) and low production costs. There is no requir
Jan 1, 2014
-
Papres - Metal Mining - Drilling and Blasting Practice of the United States Potash Company at Carlsbad, New MexicoBy C. A. Pierce
Underground operations of the United States Potash Co. at its mine near Carlsbad, N.M., have been continuous since the property was opened about five years ago. Approximately one million tons of potas
Jan 1, 1937
-
RI 4704 Investigation Of The Coosa Tin Deposits Coosa County, Ala.By Jr. Reed
Cassiterite was discovered in Coosa County, Ala. in 1880 by Judge John S. Bentley. Since that time intensive surface prospecting has revealed the presence of cassiterite in pegmatite bodies that occur
Jan 1, 1950
-
Mining Coal Under the Sea in Nova ScotiaBy Francis Gray
Mr. F. W. Gray: It is not my intention to read my paper as it is too long, so I will touch only on the high lights. The Sydney field is the most favourable example of undersea coal mining that exists,
Jan 1, 1927