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Coal rocks or more usually 'coal'. is a black shiny carboniferous rock.
It can be combusted to produce heat, carbon dioxide and other gases.
Historically, it was used to heat houses, factories, steam railway locomotives, ships, and electricity generation.
These uses are now largely obsolete, in favour of oil or gas. because oil and gas are easier to handle.
Today coal's use is mainly in the reduction of iron ore to produce iron.
Coal if heated in coke ovens to form impure carbon which is the carbon used for iron ore reduction.
In being heated in coke ovens it also releases other materials, notably, carbon dioxide, amminia, sulphur dioxide, hydrogen sulphide. etc., All these materials can be collected and used in the manufacture of other chemicals.
Coal can be thought of as 'solid crude oil'. Reason, it can by an industrial process, be converted into oil and gas. This industrial process, named SASOL, was developed in South Africa, during the 1960's, when there was a trade embargo of importing crude oil into South Africa, due to Apartheid'.
South Africa is 'blessed' with large deposits of coal, but no crude oil.
Combusting coal leaves a lot of dust/carbon particles and black smoke, and carbon dioxide. compared to oil /gas which also leaves a lot of carbon dioxide. The storage of coal , because it is a broken rock leaves a lot of unused space. As a solid material it is more difficult to transport, train/road, than oil/gas by pipeline.
So in the modern world, coal is mainly used in regions where it is plentiful , for iron ore reduction and electricity generation.
What else can I help you with?
Is coal mafic or felsic?
Coal is neither mafic nor felsic, as these terms are typically used to describe igneous rocks based on their silica content. Coal is a sedimentary rock that forms from the accumulation and burial of plant material.
How are coal and limestone similar to each other?
Coal and limestone are both sedimentary rocks that are formed from the accumulation of organic material (coal) or calcium carbonate (limestone) over millions of years. Both are used as natural resources in various industries, with coal being primarily used for energy production and limestone used in construction, agriculture, and manufacturing.
Is coal harder or softer than rock?
Coal is generally softer than most rocks. It has a lower hardness level compared to most types of rocks.
What is layer of coal between rocks called?
mine
How is obsidian and coal rock alike?
Obsidian and coal are both types of rocks formed through natural processes. However, obsidian is an igneous rock formed from volcanic activity, while coal is a sedimentary rock formed from the compression of plant material over millions of years. Both rocks have been valuable resources to human civilizations throughout history.
What are two important important organic rocks?
Limestone and coal are two important organic rocks.
What exactly is coal and what do people use it for?
Coal is black special rocks from different islands and from mines they used it for to keep warm and in 1970's they used it for jobs to earn money
What is the layer of coal between rocks called?
The layer of coal between rocks is called a coal seam or coal bed. This layer forms over millions of years from compressed plant material.
Are Rocks are Mace Out Of coal?
Anthracite .
Why are coal and rock limestone classified as organic sedimentary rocks?
The material comprising the rocks coal and limestone are derived from organisms. Therefore, they are classified as organic sedimentary rocks.
Is coal mafic or felsic?
Coal is neither mafic nor felsic, as these terms are typically used to describe igneous rocks based on their silica content. Coal is a sedimentary rock that forms from the accumulation and burial of plant material.
How are coal and limestone similar to each other?
Coal and limestone are both sedimentary rocks that are formed from the accumulation of organic material (coal) or calcium carbonate (limestone) over millions of years. Both are used as natural resources in various industries, with coal being primarily used for energy production and limestone used in construction, agriculture, and manufacturing.
What rock form may contain fossils?
it can be sedimentary rocks
Is coal harder or softer than rock?
Coal is generally softer than most rocks. It has a lower hardness level compared to most types of rocks.
Which types of rocks contains coal and petroleum?
Coal is typically found in sedimentary rocks such as sandstone, shale, and limestone. Petroleum is found in sedimentary rocks as well, usually in porous reservoir rocks such as sandstone or limestone that are capped by impermeable rock layers like shale or mudstone.
Are granite shale and coal rocks?
yes they are!
What rocks are in Wales?
manly slate and coal
