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The Important Role Of Metal Detectors In Archeology

  The important role of metal detectors in archeology

  Metal detectors can not only detect arms, but also can detect coins, keys and other metal objects.

  In the archeology of the field, most of the exhibits are metal, such as guns, cartridges, bullets, cannons and artillery shells, shrapnel and swords, etc., depending on what the battle occurred in the historical period. Therefore, the most important tool for field archaeologists is the simple metal detectors.

  For decades, metal detectors have been criticized for being regarded as a "weapon" of the grave robbers. Until 1983, Richard Fawkes and later Douglas Scott (Douglas Scott) through the analysis of the small angle of the battlefield proved that through the system of metal detection survey, decades of hard work can be in a very short period of time It is finished. According to their estimates, metal detectors in the small horns of the 5,000 artifacts unearthed out of the museum, the traditional way may only find one of the 10 or so.

  Today, skilled metal detectors work with archaeologists and conservationists to play a very important role in field archeology, where cultural relics are responsible for accurately recording the location of the foundry and "encapsulating, labeling, and Tag ". In other words, each piece of artifacts is encapsulated, labeled, placed in the hole that digs it out, so that it can be used for future research before it is identified and set it into a map The

  Metal detectors are increasingly used to assist in surface penetration of radar and other ground penetrating radar systems. Initially developed by Britain, the SPR system for the detection of plastic mines was able to locate abnormal objects below 30 meters above the surface. The system also provides a series of clues to help users identify undocumented exhibits.

  But even to find the location of metal artifacts, it is only half the success. Sometimes, metal artifacts only half of the original look. In the mid-1990s, during the analysis of the Battle of Monmouth, American archaeologists found that many mottled guns were as thin as chewing gum. In order to determine the original size, an archaeologist named Dan Sivilich invented a formula that combines physics and chemistry to calculate any non-spherical gun The original diameter of the warhead. It is known as the "Sivilich Formula" and is now used every day in the archaeological sites of the world.

  Once the original size of the deformed or incomplete gun or artillery is estimated, the ballistic expert will join and begin calculating the range of the artillery fire.