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Anthracite, also known as hard coal and black coal, is a hard, compact variety of coal that has a submetallic lustre. It has the highest carbon content, the fewest impurities, and the highest energy density of all types of coal and is the highest ranking of coals.
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Anthracite coal was first found in 1762, and then was used for the first time around 1769 by Obadiah Gore and his brother in their blacksmith shop in Wilkes-Barre. However, coal usage was generally restricted to local consumption need until the industry began to expand at the turn of the 19th century. [14]
English: Title: Coal mining in Anthracite Region, Pennsylvania Subjects: Industrial facilities Places: Pennsylvania > Luzerne (county) > Wilkes-Barre Notes: Title from item. Extent: 1 print (postcard) : linen texture, color ; 3 1/2 x 5 1/2 in. Accession #: 06_10_018566
See American coal miners below: Coal was originally used in America in the 1300s by the Hopi Indians as a way to cook their food, warm themselves and fire their clay. Coal did not resurface in the ...
In 1810, 176,000 short tons of bituminous coal, and 2,000 tons of anthracite coal, were mined in the United States. American coal mining grew rapidly in the early 1820s, doubling or tripling every decade. Anthracite mining overtook bituminous coal mining in the 1840s; from 1843 through 1868, more anthracite was mined than bituminous coal.
This gives information on the carbon, hydrogen and nitrogen composition of the coal, and determines the type of coal: lignite, bituminous coal, or anthracite. Macerals found in kerogen source rocks are often observed under the microscope to determine the kerogen maturity of the sedimentary formations. This is a vital component of oil and gas ...
A grade between bituminous coal and anthracite was once known as "steam coal" as it was widely used as a fuel for steam locomotives. In this specialized use, it is sometimes known as "sea coal" in the United States. [72] Small "steam coal", also called dry small steam nuts (DSSN), was used as a fuel for domestic water heating.