Where in the world is the most coal mined?
The largest coal producer in the world is China, followed by India, the United States, and Australia. China alone produces about half of the world's coal, primarily used for electricity generation and industrial purposes.
How many years of iron ore is left?
It is difficult to provide an exact number of years of iron ore left due to various factors such as demand, technological advancements, and exploration. However, it is estimated that the current known reserves of iron ore can supply global demand for several decades. Ongoing exploration and new technologies may also uncover additional reserves in the future.
What is the deepest deposit of coal ever mined?
The deepest coal mine in the world is in Ukraine at a depth of around 3,500 feet.
What is the effect of mining and quarrying the lives of man and nature itself?
Mining and quarrying can have significant negative impacts on the environment, including deforestation, habitat destruction, water and air pollution, and soil erosion. These activities can also lead to social consequences such as displacement of communities, health issues for workers and nearby residents, and conflicts over natural resource access. Sustainable practices and strict regulations are necessary to minimize these impacts and protect both people and nature.
What type of mining causes sinkholes?
When oil is removed or leaked into the ocean, water fills in the void left by the escaping oil and sludge, it implodes upon it's self. I believe very strongly that the BP oil leak caused various changes in our Gulf of Mexico, we will probably be seeing a lot more of these sink holes appearing in the lands surrounding the Gulf. We will never really know the extent of damages caused by the BP leak, we are just starting to see the changes it has made, killing wildlife, probably mutating some, causing sinkholes to and gradually causing earthquakes along the Mississippi River from the Gulf on Up to the Great Lakes, any Ecologist reading this please give me some input and your point of views. Thank you, and may God have mercy on us and our planet.
Are diamonds a cleavage or a fracture?
Diamonds exhibit cleavage along octahedral planes, which enables them to be cut and shaped with precision. However, if a diamond is struck in the wrong direction or with enough force, it can exhibit fracture rather than cleavage, resulting in damage or breakage.
Why do when does a mineral deposit or reserve turn into a mine?
The concentration of mineral in the ore, the ease of extraction and closeness to the market plays an important role in affecting the economic viability of a reserve. Thus, to meet the demand, a choice has to be made between a number of possible options. When this is done a mineral 'deposit ' or 'reserve ' turns into a mine.
What element used to be mined in the upper penensila?
Copper was a valuable element that used to be mined in Michigan's Upper Peninsula. The region was a major copper mining area in the 19th and early 20th centuries, leading to economic growth and development in the area.
What did miners do underground?
Miners would extract minerals and ores from underground mines using various tools such as picks, shovels, and explosives. They would also provide structural support to prevent collapses, ensure proper ventilation, and transport the extracted materials to the surface for processing. Additionally, they would maintain the underground infrastructure and equipment to ensure safe and efficient operations.
What is an ore and how do you obtain them?
An ore is a naturally occurring mineral deposit that contains a valuable substance, such as a metal or gemstone. Ores are obtained through mining, which involves extracting the ore from the earth's crust and processing it to extract the desired materials. This process may involve crushing, grinding, and chemical treatments to separate the valuable components from the surrounding rock.
What types of pollution is generated by gold mining?
Gold mining can generate a variety of pollutants, including mercury, cyanide, and heavy metals such as lead and arsenic. These pollutants can contaminate water sources, soil, and air, leading to environmental damage and potential health hazards for people living near mining sites. Efforts are made in the industry to mitigate these impacts through improved waste management and pollution control measures.
What mining technique is less harmful to the environment surface or subsurface mining?
Subsurface mining is generally considered less harmful to the environment compared to surface mining. Subsurface mining causes less land disturbance and produces less waste material on the surface. However, both mining techniques can have environmental impacts if not properly managed.
What are the benefits of surface mining over subsurface mining?
Surface mining is generally more cost-effective and less dangerous than subsurface mining. It also has a lower environmental impact as it causes less disturbance to the surrounding ecosystems. Additionally, surface mining allows for easier access to the mineral resources, making it more efficient.
Soil is categorized based on its texture, which refers to the relative proportions of sand, silt, and clay particles it contains. Soils are classified as sand, silt, clay, or loam (a mixture of sand, silt, and clay). These categories help determine the soil's ability to retain water and nutrients, as well as its suitability for different types of plants.
What mining method is used to extract ore from beneath the earths surface?
The most common mining method used to extract ore from beneath the earth's surface is underground mining. This method involves creating tunnels and shafts to access the ore body underground, where miners extract the ore using various techniques. Underground mining can be more expensive and dangerous than surface mining but is necessary for accessing deep deposits of valuable minerals.
Why is mining bad for the world?
because if u dont repair ur work correctly it damages habitats and animals. mining also takes away natural resources we need to conserve. reclamation is the process in which u restore the land u mined on or destroyed
What is the angle of repose of iron ore?
The angle of repose of iron ore typically ranges from 30 to 45 degrees. This angle represents the steepest angle at which unconsolidated material can remain stable without sliding or collapsing. However, the exact angle can vary depending on factors such as the particle size and shape of the iron ore.
The process of removing dirt or rock from its original location, which destroys the composition of the soil, is called "excavation." This activity can disrupt natural ecosystems, create erosion problems, and lead to loss of habitat for plants and animals. Proper planning and mitigation measures are essential to minimize the environmental impact of excavation activities.
Does a compass work underground in a mine?
No, a compass may be unreliable underground in a mine due to interference from the surrounding metal ores and rock formations. Magnetic fields can be distorted and may cause the compass to give inaccurate readings. It is best to rely on other navigation tools in such environments.
How do you extract diamonds from the earth?
Diamonds are extracted from the Earth through mining processes such as open-pit mining or underground mining. Once the diamond-containing ore is mined, it is processed to separate the diamonds from the surrounding rock and soil. This typically involves crushing and sorting the ore to extract the diamonds.
What kind of mining would early prospectors use to extract shallow deposits of ore?
Early prospectors would use surface mining methods such as panning, placer mining, or open-pit mining to extract shallow deposits of ore. These methods involve manually removing the ore from the surface or near-surface layers of the earth without the need for extensive digging or tunneling.
What are the environmental factors affecting mineral resources?
Environmental factors affecting mineral resources include deforestation, water pollution, habitat destruction, and soil erosion. These factors can impact the availability and quality of mineral deposits, leading to challenges in extraction and utilization. Sustainable practices and conservation efforts are essential for minimizing the environmental impact on mineral resources.
Why it may be better to quarry limestone rather than granite or sandstone?
Limestone typically has a lower hardness and is easier to cut and shape compared to granite or sandstone. It also tends to be more readily available in many regions and is often less expensive to quarry. Additionally, limestone is a versatile material that can be used in a wide range of construction and architectural applications.
What are the disadvantages of strip mining?
Disadvantages of strip mining include habitat destruction, air and water pollution from mining operations, soil erosion, and disruption of local communities and ecosystems. It can also lead to long-term environmental impacts and the loss of biodiversity.
How did your ancestors extract iron?
The basic process to extract iron from ores is to oxidize the ore into iron oxides (such as FeO, Fe2O3, etc.). The iron oxides are melted and mixed with charcoal or coke (carbon from purified coal). The reaction for Fe(III)oxide is:
2Fe2O3 + 3C ---> 4Fe + 3CO2
Typically the molten product was pored into ingots known as pig iron.