So these tailings are what's left after the gold's washed out.
Mr. Templeton says the folks in 'Frisco that own the mine think there's some left, and the tailings ought to be sent to San Diego and worked over.
We went with the extream of Violence from Tailings Wood to ye small Coppice at Nap Hill where a Fellow put him from his Point, which gave Occasion to Sir Anthony to correct him.
If silver is contained in the ore, it is found among the tailings in the filter, in a chloride which is insoluble in water.
The filter is then tipped up into a truck below, and thetailings run out to the waste heap.
The swish, swish, swish, of the wet dirt in the cradle-hoppers and the rattling of the tailings thrown from the shovels providing an unvarying substratum of sound.
There was nothing left for him, Long Jim, to do, but to take his dish and turn fossicker; or even to aim no higher than washing over the tailings rejected by the fossicker.
At their heels still others, who treated the tailings they threw away.
A surveillance of their working, however, did not establish this theory; the gold that See Yup had sent away was of the kind that might have been found in the tailings overlooked by the late Palmetto owners.
The heap of tailings had probably never yielded the See Yup company more than twenty dollars a week, the ordinary wage of such a company.
Fortunately for See Yup, it was an old-established mining law that an abandoned claim and its tailings became the property of whoever chose to work it.
They spoke under their breath, but enough was gathered to satisfy the curious crowd that See Yup's pile of tailings was rich beyond their expectations.
It was a rude shanty of boards and rough boulders, half burrowing in one of the largest mounds of earth and gravel, which had once represented the tailings or refuse of the abandoned Indian Spring Placer.
The tailings of a purifier do not usually exceed 10 to 15% of the feed.
Its object was to supplement the work of the scalpers by classifying the tailings by means of air-currents.
Scratch rolls very finely grooved are used for cracking impure semolina or for reducing thetailings of purifiers.
If tailings from the mine had been dumped there, the hill would not be so steep or so regular.
If they didn't dump the tailings there," he thought aloud, "where did they dump them?
Then, later, the area was covered over by tailings from the mine, leaving only the horizontal pipe.
They hadn't used the tailings for roads around the mine.
From a heap of tailings the miner can select a sample, by boring into it with a thin tube, inside of which revolves a shaft carrying at its end a flat steel rotary scoop.
The perimeter to be defended was about eight miles, but the heaps of tailings made admirable fortifications, and the town had none of those inconvenient heights around it which had been such bad neighbours to Ladysmith.
Whilst this action of Doornkop was fought by the British left flank, Henry's mounted infantry in the centre moved straight upon the important junction of Germiston, which lies amid the huge white heaps of tailings from the mines.
Then the companies, using the tailings material for the making of dams, created great tailings reservoirs in the hills near their plants, and filled up valley after valley with the rejected material.
This expended money, however, may yet be returned, for plans have been set afoot for leaching copper treasure out of the tailings banks.
Mit Simms, then a farmer near Safford, tells that the dried tailings upon his farm spread out in a smooth sheet, that could be broken like glass, with a blow from a hammer.
The mining companies refused to heed demand to impound their tailings flow, and so the matter was taken into the courts.
The tailings are then crushed to free the tin from adherent oxide of iron; and again washed to throw up the remaining tin ore.
The tailings are now washed off, and the whole of the black tin is brought into the centre of the shovel.
The residues after treatment with cyanide, differing from the tailings merely in being poorer in gold because of the extraction by the solution of cyanide, are run down with the same fluxes in the same relative proportions.
In assaying the "tailings" which are to be treated in a cyaniding plant the following charge is used: Tailings 3 assay tons or 100 grams.
The pulverized sulphurets are decomposed by exposure to the air, and after the tailings have been preserved for a time, they may pay better at the second amalgamation than at the first.
It is placed ordinarily in the bed of a ravine or creek through which tailings run, and it receives no attention for weeks or months at a time, save to keep it from choking.
The tail-sluice is a large sluice made for rewashing the tailings or dirt which has previously passed through other sluices.
The cradle-box is about forty inches long, twenty wide, and four high, and it stands with the upper end about two feet higher than the lower end, which is open so that the tailings can run out.
I could see vast heaps of tailings filling the creek-bed; I could hear the crash of the steel grizzlies; I could see the buckets scooping up the pay-dirt.
I travelled fast, for a painful anxiety gripped me, so that I scarce took notice of the improved trail, of the increased activity, of the heaps of tailings built up with brush till they looked like walls of a fortification.
Besides Europeans there are several thousand Chinese engaged in mining for gold; and here as in Australia these Asiatics work upon such claims and such tailings as have been abandoned by others.
The amount of thesetailings in gross weight is doubtless hundreds of thousands of tons; what percentage of gold to the ton will be realized, remains to be seen.
Just so, but it is very good as a test, and of course we are not such duffers as to try to treat more than a couple of thousand tons of tailings with acid.
Grainger, finding some jars of muriatic acid among the stores belonging to the battery, made some further tests of the tailings with results which gave him the greatest satisfaction.
You can try some of the stuff in the morning, and you will find that those tailings will pan out about eight or ten ounces to the ton.
Why," exclaimed Scott, "that means those tailings would go ten ounces to the ton!
Instead of treating those tailings by simply running them through the screens again and losing half the gold, we can build a proper roasting farnaoe, and then we can grind them, keeping the stampers for crushing alone.
I've seen a lot of tailingstreated without being roasted in Victoria, and understand the process right enough.
There were piles and piles of tailings where we toiled with pick and pan, And turning round a bend I heard a roar, And there a giant gold-ship of the very newest plan Was tearing chunks of pay-dirt from the shore.
The tailings are carried back to the cylinder by an elevator usually worked with a chain.
Grain returned in the tailings is liable to get cracked in the cylinder, and much chaff in the tailings chokes the cylinder.
If much good grain is coming through, see if it gets over the conveyor sieve by way of the extension to the tailings auger, or over the shoe sieve.
The conveyor sieve should be coarse enough to let all the good grain through, as whatever is carried on to the extension must be returned with the tailings to the cylinder.
For every reason, the tailings should be kept as low as possible.
The tailings should be small, containing no light chaff and little full-size grain.
A good feeder will keep the straw carrier evenly covered with straw, and will watch the stacker, tailings and grain elevator and know the moment anything goes wrong.
It is only permitted in such cases and under such conditions that the mining company can dispose of the tailings without injury to property holders further down the stream.
Even now, men are working over with profit the tailings that the forty-niners threw away.
By law, thetailings which it leaves behind must be leveled, soil placed thereon and either grass or trees planted.
In a few moments he was clattering down the single narrow street that lost itself in a chaotic ruin of races, ditches, and tailings at the foot of the hill, and dismounted before the gilded windows of the "Magnolia" saloon.
Certainly he had no other occupation; the little work he did upon the tailings of the abandoned claim which went with his little cabin was scarcely a pretense.
The tailings passing off, worthless, are conveyed to the dump.
Old tailings are often thus washed several times over, and never without finding gold to a greater or less amount.
They mostly work at sludge, which Englishmen have already washed; and they are found hanging on to the tailings of old workings, washing the refuse in order to extract the gold that had been missed.
Also tailingspits should be made, in which the tailings and slimes are allowed to settle, and the cleared water is pumped back to be again used.
The electro-chemical process, which I have hastily sketched will, I think, be the future cheap method of recovering fine or flour gold from our mines and waste tailings or ore dumps.
When the tailings contain a quantity of decomposed pyrites, partly oxidised, the acidity caused by the freed sulphuric acid requires to be neutralised by an alkali, caustic soda being usually employed.
It is well not to leave the sluicing for too long a period, as when the slimes and tailings are set hard they are difficult to remove.
This is more important when treating ore of such value that the tailings are worth saving for secondary treatment.
The tailings are placed in vats, and subjected to the action of solutions of cyanide of potassium of varying strengths down to 0.
The pulp is now washed with clean water, which leaches all the gold and silver out, and leaves the tailings ready for discharge, either in cars or sluiced away by water, if it is plentiful.
The additional quantity of kerosene obtained on redistilling the tailings brings up the total yield of this product to about 42 per cent.
The distillation of thetailings continues till about 5 A.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "tailings" in a variety of sentences. We hope that you will now be able to make sentences using this word.
