Sentences with phrase «grade ore»

There may come a day when we will have mined most all of the high - grade ore out of gaming, and at that time we will investigate adjacent leisure and hospitality sectors.

The higher uranium price reflects the need to move to ever deeper mines, which increases the energy needed to extract the ore, and the shift to lower - grade ore.

The latest monthly production is similar to the February, 2017, production of 6,733 ounces, an amount that was attributable to the abnormally high - grade ore processed.

Not evident in such calculations is the extent to which the practice of high grading (mining of the highest - grade ore) has further gutted the sustainability of industry production at current levels.

Since all of the near surface high - grade deposits have been discovered, companies are now looking at more geologically challenging deposits, usually with lower - grade ore.

I would expect that mining will encounter periods of relatively lower grade or dilution, and that might mean the mill will have to process lower grade ores for a period of time.

The economic argument also ignores the environmental cost of accessing lower grade ores, which may outweigh the benefits delivered by the end uses.

Economists will argue that the market will correct itself: as the price goes up then lower grade ores become viable.

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.

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.

Re 428 Nigel Williams — adding to the point of recycling, more energy (and presumably land, etc) is required to get materials from lower grade ores, but if the service life of those materials could be far longer than the products they are in, we could still continue to accumulate more material from lower grade ores economically.

Not exact matches

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.

Andrew Forrest's worst nightmare is that he will one day relive his painful experience with pioneering low - grade nickel ore processor Anaconda Nickel; so surely he must have suffered an «Anaconda moment» when the iron ore price fell below $ US50 a tonne overnight.

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 company is looking to establish the continuity, dimensions and tenor of the high - grade titanium - vanadium Barrambie ore body with its close spaced grade control drill program.

Fortescue Metals Group has announced major changes to its leadership, with a new chief executive taking the reins and its directors taking a hands - on role to support an updated strategy that focuses on producing more higher - grade iron ore.

«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.

The lithium orebody at Greenbushes is unique in that it contains large zones of high grade lithium ore.

Mining is traditional drill and blast method with ore graded and stockpiled according to its mineralogical characteristics and grade.

Simandou is the world's largest untapped high - grade iron - ore resource and is expected to sustain a mine life in excess of 40 years.

The project has the challenge of high country and weather as well as a relatively erratic ore body in the sense that the gold is high grade and located in relatively narrow veins.

Antofagasta CEO Ivan Arriagada said in a statement the company had expected to begin the year with poorer grades, but would move to higher quality ores and improve output as the year went on.

Deteriorating grades meant Galaxy had to mine 32 per cent more ore during the quarter and increase processing volumes by 3 per cent; yet production of spodumene concentrate was still 16 per cent lower than in the previous quarter.

Analysts speculated that Fortescue's weak export rate in October and November may be linked to the Chinese shutdowns and the middle kingdom's growing preference for iron ore with higher grades than Fortescue typically produces.

Unlike Fortescue boss Nev Power, Mineral Resources believes steep discounts will continue to be applied to lower grade iron ore.

The average grade of the spodumene ore fed into Galaxy's processing plant fell from 1.27 per cent in the December quarter to 1.11 per cent over the past three months.

Prestea is very high grade (14g / t or so) and the mill only operates at 600 tpd, so it doesn't take a lot of new ore to add significantly to the mine.

The reason for Australia's third - ranking iron ore miner traditionally being seen more as prey than predator is a function of its once sky - high debt levels, uncertainty about its ore grade, and a belief that at some point Forrest would be tempted to cash out of the company he created.

China's heavy discounting of lower grade iron ore is likely to continue for the «foreseeable future», Mineral Resources managing director Ch...

With Government determined to exploit the country's bauxite and iron ore deposits, with the Ghana Integrated Bauxite and Aluminum Development Authority set to spearhead this, President Akufo - Addo was delighted about the progress made in a novel technology being promoted by UMaT, which involves the use of plastic waste to upgrade bauxite ore to yield 90 % alumina, as against the present grade of 40 % to 45 %.

Deep sea vents have become attractive sites for mining, because they often contain high - grade metal ores.

hydro is a major methane source, wind turbines use 100 X more copper than fossils offshore turbines use 1000 X more copper 2010 copper ore grades were 30 lbs / ton of rock 2016 coppor ore grads were 3 lbs / ton of rock solar and wind products last 30 years tops 100 % energy transitions take 70 minimum solar and wind break down 2X faster than we can tranistion Stefan Rahmstorf says our emissions must go down 100 % in 20 years to stay under 2 C.

-- note that one sixth - grade reading passage, a poem about «pit ponies,» explains at the outset that «Ponies and donkeys were once used in mines to pull carts of ore — in the United States as well as Great Britain.»

[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.

Which is a good job, given the shortage of high - grade uranium ore, the huge unmanageable risks associated with nuclear plants and nuclear proliferation, the large amounts of embedded carbon in uranium refining and processing (and other GHG emissions from the nuclear industry), and the insanity of developing a huge strategic fuel dependence on countries such as Russia.

ORE GRADES This paper quantifies, on a global level, the relationship between ore grade and energy intensiORE GRADES This paper quantifies, on a global level, the relationship between ore grade and energy intensiore grade and energy intensity.

The amount of uranium ore of high enough grade for use in thermal uranium based reactors is not so plentiful that it would last very long in worldwide use.

Any one who thinks that he / she can jump onto the over-crowded real estate gravy train (which is really a jammed pork - ride on the way to the slaughterhouse) with nothing to offer of substance (like real world experience in a related field) with naught but a passing grade on a few exams is a fool waiting to have his / her pockets picked by the ORE dues structure.