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Updated: June 26, 2025
The creek is diverted so as to send a stream of water into the "head" of the sluice-boxes, and the gold, by virtue of its greater specific gravity, is caught by one or several of the contrivances the stones, gravel, and dirt being carried by the current out of the boxes, and constituting the "tailings."
They hadn't used the tailings for roads around the mine. The roads were natural dirt, with good drainage and no sign of rock ballast. Rick tried to imagine another use, but couldn't, until Scotty spoke. "Suppose they used up all the rocks throwing them at the Yankee soldiers?" Scotty asked whimsically. The question started a train of thought that gave Rick the answer in a few seconds.
But the marshal don't stand for no short-card men, an' closes Cock-eye up some prompt. Him being forced to give the boys back their money is busted an' can't get away from camp. To raise some wind he begins depredating. "He robs a pore half-breed of a cayuse, and shoots up a Chink who's panning tailings, and generally and variously becomes too pronounced, till he's run outen camp.
This work involved a laborious and monotonous examination of hotel registers, a canvassing of ticket agencies and cab stands and transfer companies. It was anything but story-book sleuthing. It was a dispiriting tread-mill round, but he was still sifting doggedly through the tailings of possibilities when a code-wire came from St.
After the amalgamation a practical chemist could take the "tailings" of the Dacotah ore, and produce almost the full assay of the original rock. Very much depends in the mountain territories upon the success of experiments, now in operation, with the various new desulphurizing processes. This success established, the wealth of the territories is incalculable.
The tailings are placed in vats, and subjected to the action of solutions of cyanide of potassium of varying strengths down to 0.2 per cent. These dissolve the gold, which is leached from the tailings, passed through boxes in which it is precipitated either by means of zinc shavings, electricity, or to the precipitant.
The lady, thin, neat, alert, with crisply curling iron-gray hair, and pleasant but unmistakably dignified expression, stood waiting for him a moment on the heap of tailings, then innocently followed her guide. Although Austin lowered his voice, she drew nearer, prepared to take an intelligent interest in the "new riffles up on Skookum."
No miner was too small game for the chief now, he slit the throats of Chinamen for their garnerings from worked-over tailings, he tortured teamsters to learn where they kept their wages hidden, and where he passed during the night men found corpses in the morning, until those of his own countrymen who had befriended him in other days turned against him and betrayed his hiding-places to the officers, and the whole foot-hill country from the Tuolomme to the Feather River was patrolled by riders hunting him.
And there would be a landing-grid. Handling only one ship at a time, it might be a very small grid. It need be only hundreds of yards across and less than half a mile high. But its shadow would be distinctive. Calhoun searched among low mountains near unforested prairie in a temperate zone. He found a speck. He enlarged it many-fold, and it was the mine on Orede. There were heaps of tailings.
Now, I'll get on and tell you what I do propose. You remember that I said I had seen tailings treated in Victoria without roasting. Well, we could do that now, though we should only get half the gold and lose the other half in the sludge pits.
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