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Deutsches Bergbau-Museum Bochum
The entire middle of the island is pinnacles! Even though there is a lot of greenery now it's still around all these pinnacles making the land pretty unusable.
The electric mine lamps used during mining in Bisbee. Edison Model K, Edison Model P, Edison R4 and Wheat MkII (left to right) They are arranged in the order they were introduced. The Edison Model K first and the Wheat MkII was the last.
Hshare mining is a key part of how the Hshare blockchain works. GIVE ATTRIBUTION TO: BeatingBetting.co.uk
The mining workers of the sand-lime brick mines near Valkenburg (NL) made map, painted on the wall, showing the caves going through the ground in 300-400 metres depth.
Well, also with the map, you don't have any orientation. Feary.
This photo has been edited with Photoshop to brighten the map in the background, not direclty affected by the candle light in the front.
In July 1985, the tailings dam of the Prestavel fluorite mine in northern Italy collapsed, causing the deaths of 268 people. Since the end of World War II the mine had a number of owners, but from 1980 to the time of the dam collapse, it was managed by Prealpi Mineraria. The mine tailings had been stored in two upstream cascading dams, built on a small tributary of the Stava Creek. Around lunch time on a summer’s day, the upper dam collapsed without warning onto the lower dam, which subsequently also collapsed. Approximately 180 000 cubic metres of semi-fluid tailings were released, burying the downstream villages of Stava and Tesero.
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This photo has been graciously provided to be used in the GRID-Arendal resources library by: Kristina Thygesen
Interstate 80 eastbound, at Gold Run, California. Elevation 3800'
This isn't a particularly pretty picture, but it's got some nerdly geological/historical virtues...
The town of Gold Run, in the Sierra Nevada foothills, is so named because the town was once a popular location for hydraulic gold mining -- a mid-nineteenth century technology that basically involved aiming giant water cannons at local mountains to turn the hills into liquid. By filtering the water/mud mixture created in the process, miners were able to gather gold. These photos show how it was done, back in the day. (Scroll down for a photo that was actually taken in Gold Run).
As you can imagine, hydraulic mining was a big mess. As entire mountains were reduced to liquid goo, the muddy runoff flowed through Sacramento and all the way into San Francisco Bay, fouling everything in its path and reducing the draft on navigable waterways. For these reasons, hydraulic mining was banned in 1884.
All of which is today... the sandy escarpment visible on the left is a remnant of the hydraulic mining days. The exposed cross-section hints at why the technology was ideal for excavating the local terrain (the hills here are composed of compacted sand and gravel). It also shows also how destructive the process must have been.
Messingham, 05-09-21, a further selection! - Hopefully right on this one but not sure - a Mining Bee.....
General views of the Colliery in the late 1960s – early 1970s. In the main photograph the archways are being set at the heading of a mine.
An example of the volumes of tailings and other waste that can be generated in a large copper mine.
The scale of a large copper mine can make it difficult to comprehend the challenge of safely storing tailings. The example below illustrates just how much ore, waste rock, tailings and water are involved in the production of copper. Copper concentrate generally contains 20 to 30 per cent copper; for this example, 270 000 tonnes per day of mined material may produce 1 750 tonnes of copper.
For any form of publication, please include the link to this page:
This photo has been graciously provided to be used in the GRID-Arendal resources library by: Kristina Thygesen
I found this Andrena mining bee today; looks like it may be Andrena chrysosceles. The bee is stylopised.
When bees are parasitised with Stylops flies, the parasites can often be seen protruding out between the bee's abdominal tergites. The females are flattish in appearance (they never develop into a traditional-looking fly) and remain in the host bee. The males develop properly and then emerge as winged adults. They seek out other stylopised bees and mate with the resident female fly.
Infestation with Stylops can also result in the bees appearing earlier in the season than non-affected individuals; being atypical in appearance, being sterile and exhibiting "inter-sex" characteristics.
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.
miners in Emarat Underground mine (Plumb & Zinc)
we are student of Mahallat University - Mining Group
Closeup look at part of the in-situ uranium mine facilities. Note apparent dump on the right, with what appear to be unlined, open ponds and trenches full of water or other liquids (difficult to say with certainty using this imagery). Google Earth users: download the KMZ file here: skytruth.mediatools.org/objects/view.acs?object_id=11801.
ZLJ650 Coal Mining Equipment is mainly designed to drill hole for water detection, gas detection and drainage hole, water injection and geological structure in different angle. Mechanical driving and hydraulic feeding is adopted. It is featured with compact structure, light weight and convenient maintenance, etc.
Features:
Multi-purpose drill rig
Gas detection and drainage drill rig
0-360 degree full section drilling
Simple and compact structure
User-friendly to operate and transport
Specification:
1.Working Pressure: 8MPa
2.Rated Torque: 650Nm
3.Rated Rotation Speed: 90rpm
4.Rated Flux: 12L/min
5.Max. Feeding Force: 15kN
6.Max. Pulling Force: 24kN
7.Pushing Stroke: 400mm
8.Drilling Angel: 0-360 degree
9.Drill Rod Diameter: 42/50mm
10.Winch Lifting Capacity: 10.8kN
11.Wire Barrel Capacity: 30m
12.Wire Diameter: 9mm
13.Rinsing Water Pressure: 0.6-1.2MPa
14.Motor Model: YBK2-160M-4
15.Motor Power: 11kW
16.Motor Voltage: 380/660/1140V
17.Rated Motor Current: 22.3/12.88/7.44A
18.Dimension (L*W*H): 1400*735*1400mm
19.Weight: 720kg
Application:
Use to drill big diameter blast hole, geological exploration hole, gas detection and drainage hole, water infusion hole, pressure discharging hole, etc in underground coal industry.
I like this shot even though it's not as bright as it should be. But it's a dark, wet and dank mining tunnel, so what do you expect? I love the tracks disappearing into the ground in the foreground.
great trip to Sedona, AZ and a side trip (much to my husband's chagrin) to a copper mining town in Jerome. After situating him at a bistro, i wandered about and fell in love with this building. may need to buy it and come stay on weekends.
textures by the extremely talented Kim Klassen.
Satellite image showing details of landscape impact caused by an "in-situ" uranium leaching operation in central Wyoming operated by Power Resources, Incorporated. In 2008, PRI was fined by the Wyoming Department of Environmental Quality for multiple violations at this facility (read about it here: www.jacksonholestartrib.com/articles/2008/04/04/news/wyom.... Image prepared by SkyTruth (www.skytruth.org).
Landsat satellite image of open-pit uranium mining in central Wyoming's Gas Hills, taken on September 3, 2000. Panoramic view looking west. Image prepared by SkyTruth (www.skytruth.org).
We entered the one shaft we saw that was safe. Carefully made it to the end. There were 2 rail cars inside, a bit of moisture, many test drill sites and a few tiny cave ins. It was an excellent adventure.