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How long does limestone take to form?
Limestone formation can take millions of years. It typically forms from the accumulation of marine organisms' remains, such as shells and coral, along with chemical precipitation of calcium carbonate. Over time, these materials compact and solidify to create limestone rock.
What are the advantages with limestone quarrying?
The advantages of limestone quarrying are endless. It is readily avaible and very easy to cut into blocks. It is also very good in humid places as it is able to resist humidity very well. Furthermore, it is also very easy to cut and to sculpt so it is used a lot to make elaborate and difficult sculptures. So as you can see from these answers, there are many advantages of limestone quarrying and the limestone industry is very strong at present indeed. The advantages of limestone are that it is cheap and efficiant:)
How limestone rock are form?
Limestone is a sedimentary rock made up of calcite (CaCO3) as its main mineral. Some limestones were formed by chemical deposition and others by the accumulation of shells from minute sea creatures. Many invertebrate animals (animals with no backbones) take calcite from sea water to construct their shells. When they die the shells fall to the sea bed. Areas where there is little deposition of mud or sand will be ideal for the formation of limestone. One type of limestone which is very pure is called chalk, but most other limestones contain variable amounts of mud or sand or other material.
How long does it take to turn limestone into marble?
Marble is a metamorphic rock with a parent rock of limestone or dolostone and is formed by natural processes by heat and pressure. The heat may be derived by proximity to a magmatic intrusion or from depth of burial.
Can you lay cement in cold weather?
It is not recommended to lay cement in cold weather as the curing process can be affected by freezing temperatures, leading to weak and poor quality concrete. Ideally, the temperature should be above 50°F (10°C) for the concrete to cure properly. If you must pour concrete in cold weather, make sure to take precautions such as using insulating blankets and additives to promote curing.
How many shovels of sand dose one bag of cement take?
18
How many bricks did it take to build the sphinx?
The sphinx was carved out of solid limestone. No bricks were used.
How many cubic yards of cement will it take for a sidewalk 3ft wide by 4in deep by 100 ft long?
You will need 3.7 cubic yards of cement.
How long does it take to drive to quebec Canada from limestone Maine?
How long does it take to drive from limestone maine to quebec canada
How much pressure does it take to make cement crack?
That depends on the thickness of the cement, the strength of the cement, the age of it, Is it reinforced
How many cement trucks did it take to fill the hole dug for the space needles foundation?
2000
How many cement blocks would it take to build a 10764 feet wall perimeter at 8 feet high?
The answer depends on the size of the cement blocks which are not an international standard.
Does carbonic acid dissolve limestone?
No. It dissolves limestone slowly. It may take centuries for a limestone outcrop to show visible weathering.
How many yards of cement does it take for a 3 inch slab 30 feet by 10 feet?
About 3.
What are the 2 raw materials used to make cement?
Limestone, diatomaceous earth, and gypsumare the principal materials used to make cement. Limestone for the CaO, diatomaceous earth as a source of finely-divided (i.e. chemically active) silica, and gypsum as a source of calcium sulphate. After firing, these materials are quite chemically active; in the presence of water; and make several complex chemicals in the setting process.The crystals resulting from the setting are what give the resultant concrete its strength, and since these crystals take some time to form, concrete only approaches its final strength after several weeks. It is a stronger material if kept moist during this period. Excessive water however, weakens the concrete by forming voids as it evaporates. The strongest concrete mixes, such as needed for making concrete pipes, resemble merely damp gravel mix.
How many yards of cement does it take for 30' x 50' x 4?
18.52 cubic yards are needed.
How many tons of cement did it take to build Hoover Dam?
A total of 3,250,000 cubic yards.
