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History of Stone carving by Vicky Smith
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History of Stone carving |
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Business
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Stonecarving is an ancient activity where pieces of rough natural stone are shaped by the controlled removal of stone. Owing to the permanence of the material, evidence can be found that even the earliest societies indulged in some form of stone work. Work carried out by paleolithic societies to create tools more often referred to as knapping. Stone carving that is done to produce lettering is more often referred to as lettering. Stone carving differs from stone as in marble quarrying in that it is the act of shaping or incising the stone, whereas quarrying is the activity of acquiring useful stone, usually in blocks, from geological sources. The oldest known works of representational art are stone carvings. Often marks carved into rock or petroglyphswill survive where painted work will not. Prehistoric Venus figurines such as the Venus of Berekhat Ram may be as old as 800,000 years, and are carved in stones such as tuff and limestone. These earliest examples of stone carving are the result of hitting or scratching a softer stone with a harder one, although sometimes more resilient materials such as antlers are known to have been used for relatively soft stone. Another early technique was to use an abrasive that was rubbed on the stone to remove the unwanted area. Prior to the discovery of steel by any culture, all stone carving was carried out by using an abrasion technique, following rough hewing of the stone block using hammers. The reason for this is that bronze, the hardest available metal until steel, is not hard enough to work any but the softest stone. The Ancient Greeks used the ductility of bronze to trap small granules of carborundum, that are naturally occurring on the island of Milos, thus making a very efficient file for abrading the stone. The development of iron made possible stone carving tools, such as chisels, drills and saws made from steel, that were capable of being hardened and tempered to a state hard enough to cut stone without deforming, while not being so brittle as to shatter. Carving tools have changed little since then. Modern, industrial, large quantity techniques still rely heavily on abrasion to cut and remove stone, although at a significantly faster rate with processes such as water erosion and diamond saw cutting. One modern stone carving technique uses a new process: The technique of applying sudden high temperature to the surface. The expansion of the top surface due to the sudden increase in temperature causes it to break away. On a small scale, Oxy-acetylen torches are used. On an industrial scale, lasers are used. On a massive scale, carvings such as the Crazy Horse Memorial carved from the Harney Peak granite of Mount Rushmore and the Confederate Memorial Park in Albany, Georgia are produced using jet heat torches. In brief, as an eminent business E-platform of promoting stone industry, so far, our client resource has accounted over 100 thousand spreading more than 100 countries and regions, with a visit volume exceeding 5 million times annually. If you want to consult us freely, you can also see tower or become an honest follower of us by @ stonebtb of https://twitter.com.
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