Thursday, January 8, 2015
The History of Limestone
When you decide to incorporate a piece of limestone in your
home designs, you are putting in a piece of history that dates back to billions
of years. Many people appreciate the exterior allure limestone brings into a
home, but even more fail to realize that people have appreciated its
inner-beauty for much longer.
Limestone is a sedimentary stone that is made of a lot of
shells, small snails and tiny sea animals. When those animals die, their bodies
fall to the bottom of the ocean which creates rock after years of
decompression. Their shells, which are made out of similar products which your
teeth are, are squeezed together from the water pressure above them to form the
rock that people use.
The earliest uses of limestone can be traced back to 4,000
BC when Egyptians would burn and combine the stone with products like water to
create a material that would harden over time. The earliest documents of lime
being used in a construction formula were the same era of the Egyptians, who
used it to build the pyramids. While the first uses of lime in mortars are
unclear, it is well documented that the building material was very popular with
the Romans. Limestone was most popular in the 19th and early 20th
centuries when the popularity of trains and banks was rising. In growth of cities, limestone was used as a
protective barrier outside of skyscrapers. Even today, the rock is a popular
choice in construction because it is easy to cut into blocks and easy to carve
alongside being able to stand strong, in multiple environments.
Limestone is very common in the architecture of Europe and
North America with lots of worldwide landmarks being constructed of the aged
material. Notable monuments include one of the Seven Wonders of the Ancient
World, the Great Pyramid of Giza, the Megalithic Temples of Malta which is one
of the oldest free-standing structures today and courthouses like the one in
Manhattan, Kansas. Limestone was so heavily used in constructing Kingston,
Ontario in Canada that it is nicknamed, “The Limestone City.” Today, limestone
makes up 10% of the volume in total sedimentary rocks with the lower keys in
the Florida Keys off the southern coast of Florida, being mainly composed of
limestone and carbonate skeletons of coral reefs.
Uses of limestone also go across the board. Beyond being
used in the construction of buildings, it helps in the process. Limestone is a
key ingredient in the raw manufacture of quicklime, slaked lime, cement and
mortar. When crushed, it is used as an aggregate for the solid based in roads
and asphalt concrete. Impressively, limestone can even suppress methane
explosions in coal mines.
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