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Undersea mining has been largely unsuccessful due to technical challenges such as extreme water pressure, harsh underwater conditions, and lack of efficient technology for extracting minerals from the seabed. Additionally, there are concerns about environmental impact, regulatory challenges, and complex legal issues related to deep-sea mining. These factors have collectively hindered the development and success of undersea mining ventures.
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What are two ways to mine coal?
Coal is mined by two methods: surface or 'opencast' mining or underground or 'deep' mining.The choice of mining method largely depends on the geology of the coal deposit. Underground mining currently accounts for a bigger share of world coal production than opencast; although in several important coal producing countries surface mining is more common.
What are the different kinds of mining?
The three types of mining -strip mining,open pit mining,and shaft mining
What are the surface and subsurface methods by which coal is commonly mined?
Surface mining methods for coal include strip mining, open-pit mining, and mountaintop removal. Subsurface mining methods involve underground mining techniques such as room and pillar mining, longwall mining, and shaft mining. Each method has its own advantages and challenges in extracting coal from the earth.
What are forms of subsurface mining?
Forms of subsurface mining include drift mining, slope mining, shaft mining, and room and pillar mining. These methods involve accessing minerals or resources beneath the Earth's surface through tunnels, shafts, or other underground workings.
What are two main types of mining and how do they differ?
What are two main types of mining and how do they differ? Open cast mining, and underground mining. The reason they differ, is because underground mining is where they create shafts that lead to ore beds. Open cast mining, is the opposite of underground mining. I really hope this answer is useful! I love to help people get better at science. I hope I helped you guys! Bye.
Why is undersea mining been largely unsuccessful?
the cost and difficulty of such mining.
Define Undersea Mining?
it is mining under the sea.
What has the Maritime Provinces manufacturing and mining have largely replaced?
service industries
How do you explain the definition of a claim in mining?
0wnership
Explain how ore deposits removed by shaft mining and by strip mining are simmilar to the ore deposits removed in open pit minning?
They are similar because they all are types of mining, and they all are exposed to the surface.
Where did Hargraves learn the skills of gold mining and panning?
Edward Hargraves learned his skills on the Californian goldfields. Although he was unsuccessful in finding gold there, his techniques were successful in Australia.
How successful were the colonists in achieving the goal of gold mining in jamestown for the first 20 years?
The colonists in Jamestown were largely unsuccessful in achieving their goal of gold mining during the first 20 years. Although they initially hoped to find gold and other riches, their efforts yielded little to no profit, leading to significant hardships. The focus on gold detracted from more sustainable agricultural practices, contributing to famine and conflict with Indigenous peoples. Ultimately, it wasn't until the cultivation of tobacco that Jamestown began to find economic success.
What replaced the placer mining?
Placer mining was largely replaced by hydraulic mining and hard rock mining methods. Hydraulic mining used high-pressure water jets to extract minerals, while hard rock mining involved digging tunnels and shafts to access mineral deposits underground. These methods were more efficient and able to extract minerals from deeper beneath the surface.
Is there any mining in China?
Of course, practically all the minerals, metals, coal, gemstones, building stones, etc. are mined and largely exploited in China.
Explain why the gold rush has shaped Australia's maturity?
we are big in the mining industry mateship people coming from overseas
What year was hydraulic mining banned?
Hydraulic mining was effectively banned in California in 1884 following a ruling by the state's Supreme Court, which determined that the practice caused significant environmental damage and harmed agricultural land. This decision was largely influenced by the negative impact of mining debris on rivers and neighboring farms. Subsequent regulations and laws further restricted mining practices to mitigate environmental destruction.
Where can you find obsidian in minecraft pe?
In the full version of Minecraft, obsidain is usually found in the deep part of caves. Since there are no cave systems in minecraft pe, it's really hard to find it. You just have to keep on mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining until you luckily find obsidian.
