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Coal is a
combustible black or brownish-black
sedimentary rock,
formed as rock
strata called coal seams.
Coal is
mostly carbon with
variable amounts of...
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Coal mining is the
process of
extracting coal from the
ground or from a mine.
Coal is
valued for its
energy content and
since the 1880s has been widely...
- up
coaling in Wiktionary, the free dictionary.
Coaling can
refer to:
Coaling, Alabama, a town in
Tuscaloosa County, Alabama,
United States Coaling Island...
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Coal India Limited (CIL) is an
Indian public sector undertaking and the
largest government-owned
coal producer in the world.
Headquartered in Kolkata...
- The
coal tit (Periparus ater), is a
small p****erine bird in the tit family, Paridae. It is a
widespread and
common resident breeder in
forests throughout...
- name
Carboniferous means "
coal-bearing", from the
Latin carbō ("
coal") and ferō ("bear, carry"), and
refers to the many
coal beds
formed globally during...
- In lithostratigraphy,
coal measures are
coal-bearing strata, with the term
typically applied to
European units of the
Upper Carboniferous System. In the...
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Coal is
mined in
every state of Australia. The
largest black coal resources occur in
Queensland and New
South Wales.
About 70% of
coal mined in Australia...
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Coal in
India has been
mined since 1774, and
India is the
second largest producer and
consumer of
coal after China,
mining 1,047 million
metric tons (1...
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Coal liquefaction is a
process of
converting coal into
liquid hydrocarbons:
liquid fuels and petrochemicals. This
process is
often known as "
coal to X"...
