Mining

In the 1850's the Europeans used a pan, a sieve, a cradle and a shovel. But the Chinese went through lots of old rocks and mud that others had looked through but never found any, so when the Chinese looked through these rocks they concentrated really hard so they found lots of gold.

Kaolinite is typically mined through open-pit mining methods, where the mineral is located close to the earth's surface. Once extracted, kaolinite is processed through a series of steps including crushing, grinding, and separation by filtering to remove impurities and obtain the desired particle size. The final product, known as kaolin clay, is then used in a variety of applications such as ceramics, paper, and cosmetics.

Gold-bearing sediments are rocks or soil deposits that contain gold particles. These sediments typically form in areas where gold-bearing minerals are weathered and eroded by natural processes, such as water or wind, leading to the accumulation of gold particles in sediment deposits. Mining activities often target these sediments to extract the gold.

One method is thru through an Assay. To perform correct sampling of a mining prospect, small samples are taken at regular intervals across the entire width of the vein or deposit.

In most mining districts there are reliable assayers who make tests. Schools of mines generally make assays as well.

Another method is Spectrographic Qualitative analysis.

yes it is

Mining causes environmental damage due to the extraction of resources, which can lead to deforestation, habitat destruction, soil erosion, and water contamination. Additionally, the use of heavy machinery and explosives during mining operations can further contribute to air and noise pollution. These impacts can disrupt ecosystems and harm biodiversity, leading to long-lasting effects on the environment.

hematite, taconite, and ferrite

Two disadvantages of bauxite mining are environmental degradation, such as deforestation and habitat destruction, and the generation of large amounts of waste materials that can contaminate the soil and water. Additionally, bauxite mining can also lead to social issues, such as displacement of local communities and conflicts over land rights and resources.

Shale is formed from the compaction and cementation of fine-grained silt and clay particles. These particles are typically compacted in low energy environments such as deep ocean basins or lake bottoms, where they settle slowly over time and become lithified into shale.

No, lodestone is a naturally occurring magnetized mineral composed of magnetite, while iron ore is a rock containing iron minerals that can be processed to extract iron metal. Lodestone is used in compasses and navigation, while iron ore is used in the production of steel and other iron-based products.

Shale turns into slate through a process called metamorphism, where heat and pressure transform the shale's minerals into new minerals like mica and chlorite. This process also causes the shale's original clay minerals to recrystallize, making it more compact and giving it a foliated texture characteristic of slate.

The process of returning the land to its original state after mining is called reclamation. It involves restoring the land's ecosystem, soil quality, and vegetation to a condition that is similar to its pre-mining state. This helps mitigate environmental impacts and promote sustainable land use.

Geologists and explorers typically search for ore deposits. Geologists study the Earth's crust to understand its structure and the processes that lead to the formation of mineral deposits, while explorers use various techniques like remote sensing, mapping, and drilling to locate potential ore bodies.

Salt in Africa is typically mined through either traditional methods, such as hand mining and evaporative techniques in salt flats, or through modern methods such as mechanized extraction using heavy equipment and drilling. In countries like Senegal, Mali, and Ethiopia, salt is often harvested from salt flats or salt pans where seawater has evaporated, leaving behind salt deposits that can be collected manually or with machinery.

The border between the outer core and inner core is approximately 2,900 kilometers below the Earth's surface.

Yes, a screen would be useful to separate earth powder and gravel. The screen would allow the fine powder to pass through while retaining the larger gravel particles, resulting in a more efficient separation process.

Common Ores of Lead would be: Galena, which contains 86 percent metal...Anglesite, which carries 68 percent metal...Cerussite, which contains 77 percent metal...Pyromorphite,Mimetite and Wulfenite.

Common Ores of Iron would be: Hematite (Hematite deposits are the most important source of Iron Ore in the United States.) Limonite,and Magnetite

Quartz can be found in many places around the world, including Brazil, Madagascar, the United States, Russia, and India. It is one of the most abundant minerals on Earth and can be found in a variety of geological settings, such as igneous, metamorphic, and sedimentary rocks.

Core drilling is usually done with a diamond tip drill bit. Diamond dust on the tip of these bits make it so you can drill through tough material such as concrete, masonry, or even tile. So to answer your question, there is not really a difference since they are essentially the same thing. Here is some more information on <a href="http://kor-it.com/product-brochures.html" target="_blank">Core Drill</a>s.

Mining causes a lot of deforestation, which may ultimately result in desertification. It generates waste and debris. It causes disruption in the water table, and circulation of ground and surface water. The habitat of a lot of organisms is also destroyed by mining.

The process of returning mined land to its original condition is called reclamation. It involves restoring the land by re-contouring the landscape, replanting native vegetation, controlling erosion, and ensuring water quality. Reclamation aims to mitigate the environmental impacts of mining activities and promote the long-term sustainability of the land.

The type of mine is called a strip mine.

Iron-containing minerals typically have a higher value than feldspar due to their importance in steel production and other industrial applications. Iron is a vital component in many industries, leading to a higher demand and value for iron-containing minerals compared to feldspar, which is mainly used in glass and ceramics industries.

A compound contains two or more different elements chemically combined in a definie ration. Since glass does not have a definite ratio of elements it cannot be considered a compound. Hope this helps straight from the chem book :)

Cinnabar is primarily mined in Spain, China, and the United States. Notable cinnabar mining locations include the Almadén mine in Spain, the Xikuangshan mine in China, and the Twin Creeks mine in Nevada, USA. The mineral is often associated with mercury deposits.