What is limestone? History of Art

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limestone rock, whitish gray and very flat planes

A block of limestone

Limestone is a kind of sedimentary stone that is very common all over the world. This kind of stone is made out of the shells of zillions of little tiny sea snails and creatures like that. These snails and stuff lived in the sea, billions of years ago, and when they died they fell to the bottom of the sea and rotted. But their shells, which were made of calcium like your teeth, did not rot and just stayed there. Pressure from other shells, and from the water, and from sand being washed over the shells, squashed the empty seashells all together into rock.

Many many years later, the sea changed where it was, and all this calcium-rock (limestone) was left on the land where people could quarry it (dig it up).

When limestone gets even more squashed, it can turn into travertine or marble.

Limestone is also the main way you get lime, and lime is one of the things you make cement out of. To get lime, you have to burn limestone in lime kilns. What is left after you burn limestone is lime. In the Middle Ages, people in Europe and the Islamic Empire burned most of the statues of ancient Greece and Rome to turn them into lime. They used the lime to make mortar and cement, and built new buildings out of that.

Learn by doing: find a building made out of limestone near you
More about sedimentary rocks
More about travertine
More about marble

Bibliography and further reading about limestone:

DK Eyewitness Guides: Building, by Philip Wilkinson (2000).

Geology: A Golden Guide from St. Martin’s Press, by Frank Rhodes (2001).

Travertine
Marble
Cement
Tufa
Basalt
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By | 2017-05-25T10:55:45+00:00 May 25th, 2017|Architecture, Art, Geology|0 Comments
Cite this page: Carr, K.E. What is limestone? History of Art. Quatr.us Study Guides, May 25, 2017. Web. November 24, 2017.

About the Author:

Karen Carr

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 Twitter, or buy her book, Vandals to Visigoths.

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