History of Coal – Central Asian science

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lumps of coal - look like black rocks

Lumps of coal

Most of the coal on Earth formed during the Carboniferous Era about 350 million years ago, when giant ferns growing in wetlands were flooded and buried under a blanket of mud before they could rot. The mud squashed the dead ferns together. As the ferns decayed, they gave off heat. The pressure and the heat gradually changed the wood first into peat, and then from peat into coal: basically hydrocarbons.

For hundreds of millions of years, the coal just stayed underground. In the Stone Age, people used coal – but as jewelry, because it was black and shiny. At some point around 4000 BC, though, the Yamnaya people in Central Asia started to burn coal for fires, because there wasn’t much firewood in Central Asia. Combining carbon with oxygen makes a strong, hot fire. When some Yamnaya moved to northern Europe about 3000 BC, people there started to burn some coal too. Then around 2000 BC, a different group of Yamnaya, the ancestors of the Sogdians, moved into what is now western China. The Yamnaya may have used coal to melt copper and tin together to make bronze. When these Yamnaya reached northern China soon afterward, they brought the new technology with them, along with the bronze.

a small red bag of coal

Order your own coal to burn!

The Silk Road spread Central Asian coal technology all over Eurasia. Iron-workersburned coal in Greece in the 300s BC. A few hundred years later, people in Roman Britainand in Han Dynasty China used coal to heat their houses, and also to smelt iron ore.

By about 1000 AD, Zapotec people in Mexico were also burning coal for fuel. More people were living in Northern Europe, and they also turned to coal for fuel. By the 1100s British coal areas were shipping coal by sea to London for metal-working and to make cement. The growing iron industry in China also used more and more coal. As Europe got richer in the 1200s AD, Britain started to dig deeper coal mines to get more coal.

By the 1300s, more British people were using coal to heat their houses in the winter, and traders were sending coal to British land in France. At the same time people were also using coal to heat their houses in both China and Mexico, as far north as the Hopi in what is now northern Arizona.

In the 1800s, most of the world’s coal came from huge deep pit mines in Britain, where thousands of people worked to get out the coal and millions more worked in factories that burned the coal to make iron and steel, or to run steam engines that powered spinning machines, power looms, and other machinery. Britain sold a lot of coal to India. German and American coal mines also produced a lot of coal and ran factories – and even made salt from seawater – in the United States and Canada.

Today, most of Britain’s coal has been used up, and the British coal mines are mostly closed. Some American mines have also run out of coal. A third of the world’s coal now comes from China. But burning coal is a huge cause of global warming, and if Earth is going to stay cool enough for people to live on it, most of the rest of the coal needs to stay in the ground while people turn to wind power, solar power, and water power instead.

Learn by doing: burn some coal in a barbecue grill
Coal and Capitalism
More about charcoal
More about Central Asian Science

Bibliography and further reading about the history of coal:

Chinese Science
Islamic Science
Indian Science
More about Central Asia

By |2017-06-01T00:22:23+00:00June 1st, 2017|Central Asia, Science|0 Comments
Cite this page: Carr, K.E. History of Coal – Central Asian science. Quatr.us Study Guides, June 1, 2017. Web. September 22, 2018.

About the Author:

Dr. Karen Carr is Associate Professor Emerita, Department of History, Portland State University. She holds a doctorate in Classical Art and Archaeology from the University of Michigan. Follow her on Instagram, Pinterest, or Facebook, or buy her book, Vandals to Visigoths.

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