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A delegation of 21 British companies from the Construction Equipment Association travelled to Antofagasta to exhibit their products and services at Exponor Mining Exhibition held in the northern city Antofagasta between 11 and 15 May 2015.
Mr. Murray Hitzman, Associate Director of Energy and Minerals for the United States Geological Survey, delivers his testimony before the subcommittee.
Photo: Lexi Lehman/Earthworks
“We’re very thankful to the U.S. law, because it will put an end to the chaos in the mining sector,” a mining transporter in Njingala told Enough. Here, the transporter carries a 120-pound bag of tin ore. Njingala, North Kivu. (Sasha Lezhnev/Enough Project)
The North of England Institute of Mining and Mechanical Engineers is the world’s oldest professional mining organisation. In its early years it undertook many experiments and its Members investigated accidents, trying to understand the causes of mining disasters and ensuring measures were put in hand to prevent further disasters. This scientific analysis of accidents is common today, but was ground breaking at the time. The institute is housed in one of the finest buildings in Newcastle, Neville Hall, a Victorian building built at the time when high-Gothic architecture was coming into fashion.
While I was photographing the digger wasps (see previous upload), this mining bee also turned up. If you're interested in my ramblings, please see my previous upload, because I am curious about what was going on. If it's possible to tell the species of the mining bee, I'd love to know. I guess it's Andrena something?
A nice collectors item originating from the 1860's - constructed from brass. Used for both magnetic and azimuth surveys with internal & external verniers. In my time as a trainee mining surveyor this was the first instrument I was allowed to get my sticky fingers on.
Pershyttan historical mining village, Nora, Sweden.
The barn-looking building to the left is the old storage house for charcoal, that was used when refining the iron ore in to pig-iron (Sw: tackjärn).
November sunset, 2007. Orton post-processing in Photoshop.
www.orebrolansmuseum.se/bjc/Pershyttan eng.htm
"Written documents show that mining of bedrock iron ore and processing of pig iron in a charcoal blast furnace were already in progress over 600 years ago.
Within the premises of Pershyttan, we can, among others, find the old mines of Slihälle, Skägge and Lockgruvan. These mines were probably in use already in the middle of the 12:th century. The production was stopped in 1909.
There are today archaeological evidences, based on carbon-dating, showing that the minefield of Lockgruvan has delivered iron ore to one of the oldest blast furnaces in the region, Alntorpshyttan.
In Pershyttan the blast furnace was the heart of the village and the mines were situated close by. Over the centuries many generations of blast furnaces have been erected more or less at the same spot. The, probably, last and present blast furnace was built in 1856 and was finally closed down in 1953.
It is a unique establishment and one of, if not, the best-preserved charcoal blast furnace in Europe . Inside the building you can still find most of the technical installations in place from the last 100 years of production and it gives you a good idea how pig iron was produced in the old days.
A large number of similar furnaces have been in operation over the centuries in this mid-south Sweden region called "Bergslagen", but Pershyttan is one of the few still standing.
The last iron ore mine in Pershyttan closed down in 1967. Hundreds and hundreds of mines, today most of them water filled, still remind us of the impact that this early industry had on this region.
In Pershyttan you can still have a good view of this historical industrial and cultural environment. Not only the mines, the blast furnace, the slag-heaps you can also see old energy supply equipments based on waterwheel power. Buildings for various purposes and cottages, farms and manor houses earlier belonging to the peasant iron miner and the owners of the mines and the blast furnace, the so called "Bergsmännen".
Pershyttan is today a complete mine and blast furnace-village based on the ownership of the "bergsmännen" in clear contrast to a company-owned village environment. This is unique and the whole village is today protected as a cultural heritage and as a national culture park.
Pershyttan together with the town of Nora and the Nora Bergslags Veteran Railway was awarded the international Europe Nostra award in 1993 for cultural building and heritage preservation."
Full Quality Version available at: Download TIFF from MAGIC
Title: Atlas accompanying volume III on Mining industry / United States Geological Exploration of the Fortieth Parallel; Clarence King, Geologist in charge.
Conference: United States Geological Exploration of the Fortieth Parallel (1867-1881)
Other title: Mining industry atlas
Publisher: New York : J. Bien, [187-?].
Subjects: Mines and mineral resources --United States --Maps.
Location: Babbidge Map Library Double Oversize-NonCirculating-Level 4
Call Number: G1201.H1 U53 1870
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Audrey Headframe Park
Jerome, Arizona
Arizona Republic - March 27, 1962
Fifty-Year-Old Vehicles Displayed in Jerome
Why Were Locomotives and Ore Car Left in Mine Tunnel Since 1908?
Two electric locomotives and one ore car were put display on recently were put on Main Street. The locomotives, "motors" to the miners, and the ore car are 36-inch gauge, the same size track used by the narrow gauge railroad that traveled between Jerome Junction and Jerome beginning in 1984 The motors and cars were uncovered recently when the Big Hole Mining Co. opened a southwest drift in the course of its open-pit operation.
Many questions bounce about and come up unanswered. Why weren't the motors and cars were they left scrapped when the smelter was dismantled? Why in the underground workings? Were they cut off in a mine shaft cave-in? Were they forgotten for almost 50 years? [photographers note: this is extremely common, most cumbersome equipment was abandoned underground after mine closure. It was often assembled underground and getting it out was not worth the trouble or scrap value.]
The motors are not completely a puzzle, however. One motor was between 1905 and 1908. Using the factory motor for a sample, the second motor bought was built at the mine.
Locomotives and Ore Cart-250-volt trolley-powered mine locomotive using 36-gauge rail. Top speed 8 MPH
This is one of the few mines that wasn't closed up and it had some pretty cool mining stuff still in it.
Protest rally called by Mining Dependents at Kranti Circle, KTC Panaji on 19.3.18. Supreme Court stopped all mining activities effective 16.3.18 after cancelling all mining permits. Protestors blocked traffic from both bridges and other entry points to the city. As a last resort, protestors were Lathi charged around 3pm. Drone videography Video youtu.be/CzaV1Hyr8Us
Hydraulic mining for gold near Dahlonega, Georgia, 1925.
Gold was mined and almost every stream in north Georgia suffered tremendous damage from hydraulic mining. But nothing lasts forever, the gold ran out and the timber companies moved in on steel rails.
For more information on Chattahoochee Oconee National Forest history please visit: www.fs.usda.gov/detail/conf/learning/history-culture/?cid...