Use hydraulic in a sentence | hydraulic sentence examples

Hydraulic mining has for the most part been confined to the country of its invention, California, and the western territories of America, where the conditions favourable for its use are more fully developed than elsewhere - notably the presence of thick banks of gravel that cannot be utilized by other methods, ...

Environmental Risks of Mining

Most underground mining operations increase sedimentation in nearby rivers through their use of hydraulic pumps and suction dredges; blasting with hydraulic pumps removes ecologically valuable topsoil containing seed banks, making it difficult for vegetation to recover (Miranda et al., 1998).

Hydraulic Mining Equipment

Hydraulic Mining. Where it is practicable, this is the simplest and most inexpensive method of placer mining. The mechanical equipment requirements consist only of pipe lines and giants. One feature, however, that is frequently overlooked in hydraulic mining is the matter of dumping facilities. This should always receive careful consideration.

Mercury Contamination from Historical Gold Mining in ...

Mercury contamination from historical gold mines represents a potential risk to human health and the environment. This fact sheet provides background information on the use of mercury in historical gold mining and processing operations in California, with emphasis on historical hydraulic mining areas.

Specalog for 6090 FS Hydraulic Shovel AEHQ7094-00

hydraulic mining shovel, the 6090 FS offers a versatile and selective digging capable alternative to electric rope shovels. Having garnered more than a decade of field experience in varying applications and climates, we have refined the design for improved reliability and productivity,

Ignition of Hydraulic Fluid Sprays by Open Flames and Hot ...

Ignition of hydraulic fluid sprays by open flames and hot surfaces ... Hydraulic fluids are widely utilized in many industries, such as mining and construction, for ... The typical hydraulic system pressure used in mining equipment is between 1000 to 5000 psig.

The effects of hydraulic mining on the environment of ...

The effects of hydraulic mining on the environment of California were abominable. The sluices in the Sierra flushed tailings into the tributaries that eventually carried debris down the Sacramento River and eventually into the San Francisco Bay, destroying both fish and farmland.

Hydraulic Mining, Mining Techniques, Underground Mining ...

Hydraulic Mining. Hydraulic mining, or hydraulicking, is a type of mining that uses water to displace rock material or move deposit. Formerly, the use of a huge volume of water had been urbanized by the Romans to take out overburden and then gold-bearing debris …

Hydraulic Mining - Yuba-Sutter - LocalWiki

Hydraulic mining was a form of mining that used water to dislodge rock material or move sediment. Typically, intense jets of water were pressurized in an ever-narrowing downward channel or hose and aimed at a hillside or riverbank, shearing off huge amounts of land and breaking it apart, washing the resulting debris into a huge sluice that extracts the gold from it.

Hydraulic mining | Britannica.com

Although hydraulic mining is sometimes used to mine coal underground, its primary application is on the surface, where it is a practical way to mine relatively fine-grained, unconsolidated material from placers, tailings, alluvium, and lateritic deposits.

Sluicing | mining | Britannica.com

In hydraulic mining …moving the slurry is called sluicing. Educing is the process of introducing the slurry into an enclosed circuit. In the hydraulic mining of gold the rebounding stream of water and mineral fragments is directed into sluices in which the gold settles behind baffles but the lighter waste matter is washed…

Historical Bathymetric Change in Suisun Bay 1867 - 1990

Hydraulic mining removed over one billion cubic meters of sediment from the foothills of the Sierra Nevada during the gold rush. It has been estimated that over 10,000 tons of liquid mercury was lost to the watershed during this time.

Cat | Hydraulic Mining Shovels | Mining Excavators ...

Cat® Hydraulic Shovel technology delivers increased digging forces and greater productivity. Caterpillar provides mining technology products for open pit and underground mine applications. Technologies that enable fleet management, drilling & blasting, loading, hauling, dozing, truck assignment ...

Cat | Hydraulic Mining Shovel | Caterpillar

Next-generation Cat ® Hydraulic Mining Shovels take your productivity and fuel efficiency to new levels, with Cat components, technologies and the latest design features fully integrated. They're built to run all day, every day, with the flexibility to work across a range of applications.

How to use hydraulic mining in a sentence - WordHippo

This hydraulic mining seemed to be most in favor there, and the power developed by some of these streams was immense. A derrick capable of moving heavy boulders, and driven by water power, is a necessity in all hydraulic mining. Deep mining may be divided into drifting and hydraulic mining.

How do hydraulics ensure safety in mining machinery?

By their design, hydraulic components are explosion-proof, making the powerfully dense technology a natural choice in dangerous mining applications. By Josh Cosford, Contributing Editor Hydraulics in mobile mining machinery is unique.

Construction Mining and Utility Equipment - Komatsu Ltd.

Products and Applications - Construction, Mining and Utility Equipment. In Komatsu, I develop business such as the construction machines such as an excavating equipment or the forklift trucks, a heavy industrial machine, the industrial equipment in global. ... The hydraulic manifolds, standard on all continuous miner models, reduce hose ...

Mercury Contamination from Historic Gold Mining in …

Mercury Contamination from Historic Gold Mining in California ... watersheds each have been affected by hydraulic mining. In the northwestern Sierra Nevada, the highest average levels of ... sity of hydraulic gravel mined in the Sierra Nevada (fig. 8). The …

Hydraulic mining had negative effect on Sacramento River ...

Hydraulic mining was used in small scale ventures in the 1850s, but by the following decade and into the 1870s, huge companies used enormous water cannons known as monitors to demolish large hills and even small mountains in their quest for gold.

Some affect of mining on the environment and land

Some affect of mining on the environment and land. ... Let us consider the question "how does mining affect the environment" in this article. Mining refers to the process of extracting metals and minerals from the earth. ... Hydraulic mining techniques are used for mining gold. The method involves blasting at the banks of the river. This has ...

Environmental impact of hydraulic fracturing - Wikipedia

The environmental impact of hydraulic fracturing s related to land use and water consumption, air emissions, including methane emissions, brine and fracturing fluid leakage, water contamination, noise pollution, and health. Water and air pollution are the biggest risks to human health from hydraulic fracturing. Research is underway to determine ...