Electronic waste contains 40 - 50 times the amount of gold in
ore mined from the ground, according to a report last week by the Global e-Sustainability Initiative and the United Nations University.
Not exact matches
The government of the Republic of Cameroon is planning to seek funding
from China for the rail and port infrastructure at Sundance Resources» Mbalam - Nabeba iron
ore project, allowing the Perth company to focus just on the
mine development.
Poseidon Nickel has landed an agreement for Kidman Resources to use its mothballed Lake Johnston infrastructure to process lithium
ore from the Melbourne - based company's Mt Holland
mine, in a deal potentially worth at least $ 18.5 million.
Average gold grades achieved in the June half
from Karouni were also quite good at 3.37 grams per tonne for the 357 000 tonnes of
ore mined.
In its day, the
mine was one of the richest in the British Empire, with about 500,000 tonnes of polymetallic
ore extracted annually
from the Volcanogenic Massive Sulphide or «VMS» style deposit in the 1920s and 1930s at spectacular grades of 23 % lead, 14 % zinc, 1 % copper and 540 g / t silver.
The
mine is expected to produce 54 million carats
from 35 million tonnes of
ore over its projected 12 - year life.
A MOVE by
mining giant North Limited to slash about $ 100 million
from its balance sheets has resulted in redundancies and operational restructuring by Pilbara iron
ore miner Robe River Iron Associates.
«Declining
ore grades for copper, continued lack of investment in new
mines and the time required to bring new discoveries to production will constrain metal availability and, ultimately, the metal sector's ability to meet growing demand
from automakers for battery electric vehicle production,» Carol Cowan, a Moody's Senior Vice President wrote.
Lithium
ore (spodumene) at Greenbushes is
mined from the fresh, unweathered zones in the pegmatite that are exposed in the open pits.
Cele notes that, «the demand
from China for iron -
ore continues to grow, but at a declining pace, further exacerbating pricing pressure,» meaning that Vale's considerable investment in nickel, coal, fertilisers and copper will only partially mitigate the impact of the increase in iron -
ore mining capacity globally on the company.
As Africa's biggest exporter of iron
ore to China, South Africa is suffering
from a slump in
mining, as well as in other sectors like manufacturing and agriculture.
This book aims at applying some insights
from pastoral psychology to the major dimensions of a church's program — worship, preaching, the prophetic ministry, the church school, the group life, the family - life program, administration and evangelism — as a way of
mining this
ore.
John Pontifex
from ACN told Premier the priest told the charity details about corruption in the
mining of coltan, an
ore that is used in smartphone batteries and computers.
Rio Tinto has achieved the significant milestone of loading the first shipment of iron
ore from its expanded port, rail and
mine operations in Australia.
The wagons that traveled the road would transport produce
from eastern Putnam County and iron
ore from the
mines.
Usually, to produce this type of alumina it would have to come
from bauxite
ore, which is
mined in countries such as West Africa, the West Indies and Australia, causing huge environmental damage.
The limiting factor is the energy needed to get to an asteroid with enough
mining equipment and return with the
mined ore, meaning only 2.5 per cent of asteroids are accessible
from Earth.
Professor Gilberto Artioli's archaeometallurgy research group at the University of Padua has discovered that the metal had been obtained
from ore mined in South Tuscany.
Of course, there will still be by - products — such as the residual
ore, or tailings,
from the
mining and separation as well as calcium carbonate, magnesium carbonate and magnesium hydroxide
from the chemical process, along with that pesky thorium.
Using bacteria to extract metals
from low - grade
ores could be a solution:
mining firms are using simple microbes that can extract up to 85 percent of metal in an
ore and obtain metals when the concentrations are lower than 1 percent.
Visible
from space, the Bayan — Obo iron
mine in Inner Mongolia is the world's largest source of rare earths, and the Chinese companies supplying them employ acid to dissolve them out of
ore rock that often also contains radioactive elements like thorium, radium or even uranium.
«Our results may introduce a paradigm shift in the way we think about
ore genesis and
mining —
from implications for human health, to restoration practices, to how
mining companies calculate how much they can earn
from a given site.»
In Suwa in Nagano Prefecture, a treatment plant near a large number of precision equipment manufacturers reportedly collected nearly 2 kilograms of gold in every metric ton of ash left
from burning sludge, making it more gold - rich than the
ore in many
mines.
The Swiss Foundation for
Mine Action in Geneva used drone - created maps to estimate the amount of toxic material released
from ore - processing plants in Kyrgyzstan, for example.
For every metric ton of uranium
ore pulled
from McArthur River, roughly one metric ton of waste rock, often radioactive and rich in toxic heavy metals, is produced — and other
mines produce even more waste rock per ton of
ore.
The 23 coloured ponds cover 160 hectares, and play a key part in the
mining of potassium chloride
from ore buried underground.
Banded iron is the iron - rich rock found in
ore deposits worldwide,
from the proposed iron
mine in Northern Wisconsin to the enormous
mines of Western Australia.
All the discussions about the pros and cons of deep - sea
ore mining are based on a very thin database,» says co-author Prof. Dr. Colin Devey
from GEOMAR.
From mining ores to smelting to tempering alloys, the process is energy intensive, and engineers have chased improvements about as long as steel has topped axes, formed armor and driven machinery.
Mining companies are looking to use the critters instead of cyanide to pull gold
from ore, which would be much less environmentally destructive.
Oxidation of
ores has created a very acidic milieu, which is also known
from other
mining areas.
Mining companies use various techniques to extract the uranium
ore from the earth.
Russian UET resources with 311,000 tonnes of uranium, as well as the remaining Russia «excess» HEU with 108,000 tonnes of uranium, could continue to offset demand for primary uranium
from unmined
ore deposits, and could reduce the likelihood that new
mines such as those proposed near Church Rock and Crownpoint in New Mexico would be
mined in the future.
During the 1880s iron
ore prices rose to unprecedented heights, so that it appeared that, if the separator could extract the iron
from unusable low - grade
ores, then abandoned
mines might profitably be placed back in production.
Up to 12 % of the element exists in monazite (Mt)
ores in the form of thorium phosphate
from where it's
mined.
Acid
mine drainage (AMD) refers to the outflow of acidic water
from coal or metal
mines, often abandoned ones where
ore - or coal
mining activities have exposed rocks containing the sulphur - bearing mineral pyrite.
Key Features: Three game modes - full sandbox, story mode and quests Island map exploration Character Hunger / Thirst Mechanics Base Building Ferry Mechanics to travel
from one island to another Hunting Crafting Items Food Cooking Mechanics Power / Electricity Mechanics Gathering Resources
Mining and refining of
ores Quests Trader Arms Dealer Kill AI Enemies Animal Husbandry Farming Day / Night Cycle
Glynn tells weekends on All Things Considered guest host Mary Louise Kelly that his book takes the reader
from Dublin to New York to the Congo in pursuit of a tangled story of murder, corruption and illegal
mining of rare
ores.
Aside
from tracking down rare ingredients and diving into the
mines to score some valuable
ore, burgeoning farmers are likely caught up with laying out their land and seeking out the right seeds in order to make the biggest profit.
During its time, it set records for hauling the most iron
ore from Wisconsin
mines to ironworks in Michigan and Ohio.
But with apologies to the poor souls who extract
ore from Chilean
mines, we would like to see the interior's copper accents make production.
[9] In Scandinavia the Kiruna to Narvik electrified railway carries iron
ore on the steeply - graded route
from the
mines in Kiruna, in the north of Sweden, down to the port of Narvik in Norway to this day.
From Port Augusta we travel south along Highway One to Cowell, via Whyalla, a city developed to produce steel products from iron ore mined in the nearby Middleback Ran
From Port Augusta we travel south along Highway One to Cowell, via Whyalla, a city developed to produce steel products
from iron ore mined in the nearby Middleback Ran
from iron
ore mined in the nearby Middleback Ranges.
Today the river is in full flow due to ice - melt and some recent heavy rain in the San Juan all of which promises to add to the splendour of this railroad journey which,
from the very beginning was promoted as a scenic route for passenger service even though the line was constructed primarily to haul gold and silver
mine ores from the San Juan Mountains.
[4] The facility served interstate passenger and shipping traffic and the transport of
ore from local
mines, especially the Vulcan
Mine.
In 1874, an English
mining company built the Bushiribana Gold Mill on Aruba's north coast in order to process the gold
ore extracted
from the hills nearby.
From here travel south, passing through the
mining city of Port Hedland, where you can witness the enormity of the iron
ore industry.
Start with only a laser pick and the gear
from the crashed pod, then immediately start collecting, as every piece of
ore mined is valuable.
Gamers start with only a laser pick and the gear
from a crashed cryopod, and immediately start exploring and collecting resources as every piece of
ore mined is used to fabricate survival equipment.
The story revolves around a pilot of a defensive gun ship that is tasked with protecting an
ore mining mothership situated in outer space
from the potential of hostile space pirates of all shapes and sizes looking to steal their cargo and make away with it.