Mining

Zambia is the leading African producer of copper.

9.0 Mohs Hardness scale

Data mining is effectively storing and analysing old pieces of data and predicting what's going to happened in future based on trends and patterns in that data.

No

Miners are motivated by money so they don't spend much time building cabins etc. A boomtown would spring up when the miners found enough value to support stores, bars, assayers, mills etc. You don't get law until you become a real town, so life was hard, fast and cheap.

You can't any longer. All sources have been depleted by modern flintknappers.

The chemical composition of ruby is aluminum oxide (Al 2 O3). Its specific gravity is 3.99 to 4.00 and refractive index range is 1.760-1.768 to 1.770-1.779. Ruby's hardness on Mohs scale is 9. It's the next hardest mineral after diamond.

stuff

$5,000,000,000 p.A.

Chile is the largest producers of copper.

you are so stupid so dont ask me

Gypsum is mined primarily where ancient salt seas existed. Gypsum is a naturally occurring salt/limestone, that is left behind when the water evaporates.

Gypsum is mined near Las Vegas, Nevada and in western Michigan. The largest gypsum deposits in the world, in fact, are in Michigan.

Norilsk,

Vale,

BHP Billiton,

Xstrata,

Eramet S.A.,

Sumitomo,

Mitsui,

Talvivaara,

Liberty Mines

Stone crusher is a very general concept that encompasses a very wide range of crushers: jaw crusher, cone crusher, impact crusher. Different crushers have different features.

The main features of a jaw crusher :

1.High reduction ratio.

2.Simple structure

3.Easy maintenance.

We divide the overburden thickness by ore thickness to get the stripping ratio For example if we have an overburden thickness of 80m and ore thickness of 50 m , then the stripping ratio will be: 80/50= 1.6

The largest quarry in the world is the Thornton Quarry, located near Chicago in Illinois, USA. It is known for being one of the largest commercial limestone quarries in the world, spanning over 800 acres.

the melting point of sandstone is approximately 1300.68754893C'

The melting point of sandstone depends on its density, or hardness. Sandstone varies greatly in chemical composition, ranging across different properties, from sand so loosely compacted that it crumbles in the hand, to stone so hard it was once used to mill grain into flour. The higher the density of sandstone, the higher the melting point. Suffice it to say that sandstone, no matter how dense, is never used to make the bricks of a pottery kiln, even though that would be a very inexpensive stone to use, because the stone is not reliable at the high temperatures some kilns sometimes require. For instance, bright white hot, the temperature required to fire stoneware, requires a heat of at least 1300 degrees Celsius, or about 2380 Fahrenheit, for several hours. That much heat would almost certainly, and permanently, damage a kiln made of even the hardest sandstone.

For the same reason, sandstone is no longer acceptable in the building code of most developed nations for the brick of a chimney.

Nope ^-^

"Mylonite" is a term coined by Charles Lapworth in 1885 to describe a fine grained, well-laminated rock he had found in the Moine Thrust Zone of the Scottish Highlands. The term has come into general usage to indicate any foliated (and usually lineated) fine grained metamorphic rock which shows evidence for strong ductile deformation. The term is purely structural and conveys no indication of the mineralogy of the rock. Thus, a mylonite can be of any rock type.

Andesite rock is commonly used in construction as a decorative stone for landscaping, pathways, walls, and facades. It is also utilized as a component in the production of mineral wool insulation and as a soil amendment for gardening due to its ability to improve soil drainage. Additionally, andesite can be crushed and used as a base material in road construction and as an aggregate in concrete production.

In Runescape you cannot mine Aluminium Ore.

i dont knwww x

A porous rock is a type of rock that contains small holes or spaces within its structure, allowing fluids (such as water, oil, or gas) to pass through it. These pores can vary in size and shape, influencing the rock's ability to store and transmit fluids.