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When will surface mining and subsurface mining be used?
Surface mining is used when mineral deposits are close to the surface, making it more cost-effective and efficient to extract them using methods like open-pit mining. Subsurface mining is employed when mineral deposits are buried deep underground, necessitating techniques such as shaft mining or drift mining to access them. The choice between surface and subsurface mining depends on factors such as the depth and location of the mineral deposits, environmental considerations, and cost-effectiveness.
Describe 2 ways to reduce the effects of mining?
Stop using explosives, stop surface and subsurface mining, and start recycling
What are two of the ways coal is mined?
Coal is typically mined using two methods: surface mining and underground mining. Surface mining, which includes strip mining and mountaintop removal, involves removing the topsoil and rock layers to reach the coal seam. Underground mining involves digging shafts and tunnels to access coal seams deep underground.
What are th two methods of extraction metals from the ore?
Mining techniques can be divided into two common excavation types: surface mining (above ground) and subsurface (underground) mining. sometimes subsurface mining is also called deep mining like in my text book p.s i am in 8th grade
Is onyx open cut mined?
Yes, onyx is typically open cut mined using traditional mining methods where the stone is removed from the earth's surface with heavy machinery.
Give two minerals that are mined using open-pit mining?
Two minerals commonly mined using open-pit mining are copper and coal. In open-pit mining, large holes are dug to access the mineral deposits near the surface, making it an efficient method for extracting these minerals in large quantities.
How is Chert mined?
Chert is typically mined through open-pit methods, where the rock is extracted from the earth's surface using heavy machinery. Sometimes, underground mining techniques may be used to access chert deposits located at greater depths. Once extracted, chert is processed and then used for various applications such as construction, tool making, or as a decorative stone.
How is pyrrhotite mined?
Pyrrhotite is typically mined using underground mining methods, such as shaft mining or drift mining. The ore is extracted using drilling and blasting techniques to access the pyrrhotite deposits embedded in the rock. Once mined, the ore is processed to separate the pyrrhotite from the surrounding material.
What are the most commonly mined minerals and how are they extracted from the earth?
The most commonly mined minerals include coal, iron ore, copper, gold, and silver. These minerals are extracted from the earth through various methods such as surface mining, underground mining, and solution mining. Surface mining involves removing the top layer of soil to access the mineral deposits, while underground mining involves digging tunnels to reach the minerals. Solution mining involves using chemical solutions to extract minerals from underground deposits.
How is metal mined or obtained?
Metal is often mined from the Earth's crust through a process known as mining. This involves extracting ore deposits containing metal minerals from the ground using various methods like surface mining or underground mining. The ore is then processed to extract the metal through processes like crushing, grinding, and smelting.
How is gypsum mined?
Gypsum is typically mined through open-pit quarrying or underground mining techniques. In open-pit quarrying, massive deposits of gypsum are extracted from the Earth's surface using heavy machinery. Underground mining involves tunneling into the ground to access deeper gypsum deposits. Once mined, the gypsum is processed and refined for various industrial uses.
How and where is jade mined?
Jade is mined through both surface mining and underground mining methods in various countries such as Myanmar, China, and Guatemala. The mining process involves extracting jadeite or nephrite rough stones from the earth's crust using tools like picks, shovels, and explosives. The extracted jade is then processed, cut, and polished before being sold on the market.
