Schefferville revisited: The rise and fall (and rise again) of iron …
Starting in the 1950s, the iron ore mined in the Québec-Labrador Peninsula was shipped to the American Great Lakes region to be processed in the industrial belt, which was also the source of the financial capital behind the Canadian mines. ... Iron ore mining in Newfoundland and Labrador, 1954–2014. Extr. Ind. Soc, 3 (2016), pp. 103-116 ...
اقرأ أكثرThe Discovery, Development and Demise of Wyoming's Atlantic City Iron Mine
By the early 1950's the quality and quantity of the iron ore deposits in Utah were diminishing and there was a need to discover and develop a new iron ore source to supply the plant. In June, 1953, U.S. Steel hired Dr. Paul Procter (head of the geology department, Missouri School of Mines) and Chuck Dahl, who was his field assistant, to ...
اقرأ أكثرIron Ore Mines of Bell Island
Since the mines opened, 78, 989, 412 tons of ore had been shipped, to Canada, West Germany, the United States, Belgium and Holland. Until the 1950s, Bell Island was the sole source of iron for the Sydney steel mills.
اقرأ أكثرThe 1960s Usher in a New Era for Mining and E&MJ
The industrial machine developed during World War II is winding down in the 1950s. The North American mining industry was dealing with the over-capacity this change brought about. ... It also documents the history of iron ore and explains the importance of iron ore pellets with reports from the iron range in Minnesota; Canada's Labrador ...
اقرأ أكثرHealing the U.P.'s scars: The reuse of former mining operations
From the copper mines that made the Keweenaw Peninsula boom in the 1800s to the iron ore mining taking place in Marquette County today, mining has been a way of life for Yoopers for centuries. ... The mine grew so large in its heyday from the 1950s to the 1970s that it pushed into the town of Republic, forcing about 90 homes to be relocated and ...
اقرأ أكثرRevolutionising iron ore processing
In the dynamic world of mining, Corporation has become synonymous with innovation. W ith a legacy rooted in Australian iron ore processing since the 1950s, Corporation continues to ...
اقرأ أكثرWhen 'monsters' roamed the Scunthorpe area's iron ore mines
Iron ore was mined in the Scunthorpe area until the early 1980s, when the British Steel Corporation switched over entirely to imported supplies. Some very large mining machinery came on the scene ...
اقرأ أكثرImpact of Iron Ore Mining on Human Health in …
for this study because of the concentration of iron ore mines in Joda block within the district5. 31% of the total mining employment in the state of Orissa is concentrated in the district of Keonjhar indicating the importance of the mining industry in the region. Mining for iron ore in the district began in the 1950s, and much of the planned
اقرأ أكثرBrief History of Birmingham, Alabama Iron Ore Mining
Iron ore mining in the Birmingham District followed the ups and downs of iron and steel production. Active mining stopped in 1975. After that, cheaper imported ores were used until …
اقرأ أكثرMnnesota Mine Tours
As the "natural ores" or "red ores" of hematite were approaching exhaustion in the 1950's, mining switched to the un-oxidized and primary taconite ore whichis lower grade (approximately 25% to 30% iron) and requires much more sophisticated concentrating and agglomerating before being shipped as taconite pellets containing approximately 65% iron ...
اقرأ أكثرMesabi Range Mines, Minnesota 1939-1945
When 9,000 miners were given jobs again, iron production on the Range increased from a measly 15 million tons in 1938 to 33 million tons of raw iron ore in 1939. With its production doubling in that one year, the steel plants in Gary, Chicago, Detroit, Toledo, Sandusky, Cleveland, and Pittsburgh received most of the Range's ore, and refined ...
اقرأ أكثرRemnants of 1950s uranium mine are still scattered about …
In the 1950s, uranium was discovered here, and the mining operation is owned Byram Exploration & Mining Co. (BEMCO). By the 1960s, mining operations had ceased, but there are still many remnants ...
اقرأ أكثرJules R. Timmins (1889
He conceived, and developed to fruition in the 1950s, an iron ore empire which was truly one of the most imaginative, most difficult mining projects ever undertaken. Timmins' name was already something of a word by the time, in 1940, he first formed the plan of unlocking the iron ore riches of the Ungava region.
اقرأ أكثرExplore Minnesota
ores, began during the 1950s. At about 25 to 30% mid-recoverable iron, these low-grade ores are beneficiated and ... ownership is well defined and available for iron ore mining and development. Mineral acquisition is generally done by entering mineral leases with fee holders. The state is the largest owner of mineral rights. It has in
اقرأ أكثرEntangled histories: Iron ore mining in Canada and the …
At the heart of the Quebec–Labrador mining operation in the 1950s was the Iron Ore Company of Canada, an American company incorporated in Delaware in 1949 and …
اقرأ أكثرThe Liberian Economy
during the period 1950-62, while exports increased from $28 million in 1950 to $67 million in 1962 and government revenues from $3.8 mil-lion to almost ten times that amount over the same period. In the early 1950's, the development of iron ore mining facilities at Bomi Hills and the phenomenal rise in rubber prices triggered by the
اقرأ أكثرTHE LAKE SUPERIOR IRON RANGES: GEOLOGY AND …
PHASE 1. The initial phase of mining, from discovery until the 1950's, was for direct shipping ore (also called natural ore). These ores were pockets of high grade iron concentrations that formed within banded iron formations by leaching of silica by surface water or deeply circulating ground water. PHASE 2. Beginning in the late 1950's a ...
اقرأ أكثرA brief history of Minnesota's Mesabi Iron Range
Since the 1890s, the Mesabi has produced iron ore that boosted the national economy, contributed to the Allied victory in World War II, and cultivated a multiethnic regional culture in northeast...
اقرأ أكثرRuffner Mines
These iron ore mines in Birmingham, Alabama are located in the Ruffner Mountain area. This portion of Red Mountain is characterized by a continuous series of mining developments that trace the evolution of mining. ... The Ruffner mines date back to the 1880s and were intermittently used until the 1950s. Mining practices were very primitive at ...
اقرأ أكثرHow low-emissions steelmaking could be big business for
Mining efforts in the Mesabi Iron Range have focused on taconite ore, a lower-grade iron ore processed from vast pits, since the 1950s. Taconite mining transformed the region after underground ...
اقرأ أكثرGeology 105 Flashcards
what is the principal reason that iron and steel are recycled at such a high rate the market for steel is large and widespread the _______ of a metal is a measure of its concentration necessary for profitable mining
اقرأ أكثرBrief History of Birmingham, Alabama Iron Ore Mining
Automated iron ore mining using a scraper to load ore cars in a heading, ca1930. (Alabama Archives) Underground mining advanced to using Joy gathering arm loaders and shuttle car haulage from stope to slope, ca1960. (Red Mountain Park)
اقرأ أكثرMetallic Mineral Deposits of Maine
Katahdin Iron Works (or Ore Mountain) - 6.4 MT per 100 feet depth (extent unknown); massive iron sulfide with gossan. 44% iron; copper, nickel, cobalt less than 0.5%. Historical surface mining of gossan in 1800s. (Katahdin Iron Works Twp, Piscataquis Co.) Ledge Ridge - 4 MT massive sulfide, grading 2% zinc, 1% copper, 1% lead, 0.02 oz/ton gold, and
اقرأ أكثرMinnesota Museum of Mining
The Minnesota Museum of Mining gives visitors an opportunity to actually climb aboard equipment used to mine the Mesabi Range¹s rich iron ore. A castle built in 1933 out of stone is the entrance to this showcase of mining history. Climb aboard mining trucks, see a 1907 steam locomotive, or tour replicas of an underground mine and mining town.
اقرأ أكثرHistory
The initial strikes brought a wave of prospectors to both river valleys, where additional mines were rapidly developed. Iron ore mining quickly established itself as the primary industry leading to the development of the County. Eventually the County witnessed the opening of some 70 producing mines, with the center in mining activity gradually ...
اقرأ أكثرOur History
The Low Moor Iron Company owned iron ore mines in Alleghany County and Craig County, and also owned the Kay Moor Coal Company in West ia. ... By the 1950s, diesel replaced steam and the shops were converted to accommodate diesel locomotives. Many years of adjustments and changes affected the City of Clifton Forge. In the 1980's, the ...
اقرأ أكثرIron Mine History 1 = minehist.htm
The Moriah iron-ore mining takeoff coincided with the opening of the canal. A host of new deposits were found. The town became foremost in iron-ore development. ... Mining profitability in the 1950's was unreliable because the …
اقرأ أكثرA glimpse into the history of Republic
In the 1950s with improvements in processing, interest in local iron ore resulted in the reopening of the mine as an open pit in 1956. This necessitated the relocation of a large number of homes 6 ...
اقرأ أكثرIron Ore Mining and Iron Range Life, 1920s-1950s
Iron Ore Mining and Iron Range Life, 1920s-1950s - Exhibit Project Details by Fiscal Year. 2011 Fiscal Year Funding Amount. $50,000. Project of. Minnesota Historical and Cultural Grants Program. Fund Source. Arts & Cultural Heritage Fund. Recipient. Minnesota Museum of Mining. Start Date. July 2010. End Date. June 2011.
اقرأ أكثرA brief history of Minnesota's Mesabi Iron Range
The Mesabi Iron Range's history as a mining district begins well before ore was unearthed. More than two billion years ago, an era of mountain building known as the Algoman orogeny occurred.
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