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Spraying high pressure water jets against mountain sides to wash away the mountain and allow valuable metals like gold and platinum to be captured in enormous sluice boxes. The muddy runoff from hydraulic operations kill most fish and other river life and causes silting over of farmland in flat lands that the drainage rivers run through. It is now banned in most places.
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What was the advantage of using hydraulic mining when mining for gold?
Hydraulic mining blasts away the surface of the mine with highly pressurized jets of water. This allows for easy access to the minerals underneath. A negative consequence of Hydraulic mining is the damage to the surrounding environment.
When was hydraulic mining invented?
1850
How did gold hydraulic mining work?
Hydraulic mining used a water cannon (called a monitor) to wash the hillside down and into a huge sluice box which separated the Gold from the dirt and gravel.
What is a sentence using the word hydraulic?
It is dangerous to operate hydraulic lifters while the vehicle is in motion. The forty-niners' hydraulic mining methods devastated California's environment.
How is hydraulic gold mining done?
In hydraulic mining, powerful jets of water are directed at thick beds of gravel to break them down and wash the residue through lines of sluices designed to separate gold particles.
How did hydraulic mining affect the California waterways?
In the Gold Rush. hydraulic mining was a law to protect the enviorment! Hydraulic mining can ruin the enviorment!
How did how hydraulic mining affect some California waterway?
AID \
What is hydraulic mining?
It's is Surface mining
What kind of mining is hardest on the environment?
Hydraulic mining
Who stopped hydraulic mining?
me!
What was the advantage of using hydraulic mining when mining for gold?
Hydraulic mining blasts away the surface of the mine with highly pressurized jets of water. This allows for easy access to the minerals underneath. A negative consequence of Hydraulic mining is the damage to the surrounding environment.
What resource did mining companies have that individual prospector did not?
It had hydraulic mining and hard-rock mining
Is hydraulic mining lode deposits?
no
When was hydraulic mining invented?
1850
What did hydraulic mining do to California?
Hydraulic mining washed away whole mountain sides and ruined the land. Today the scars are still there along with the rusting machinery.
Types of mines?
types of underground mining methods - unsuported(natural suport)mining method -saported(artificial support)mining method - caving method
How did gold hydraulic mining work?
Hydraulic mining used a water cannon (called a monitor) to wash the hillside down and into a huge sluice box which separated the Gold from the dirt and gravel.
