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auger drilling |
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auger drilling [′ȯ·gər ‚dril·iŋ] (engineering) A method of drilling in which penetration is accomplished by the cutting or gouging action of chisel-type cutting edges forced into the substance by rotation of the auger bit. Also known as auger boring. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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At Site 8, officials were able to test for TCE down to 185 feet, but the auger drilling the hole could go no deeper, Lovenburg said. Over 1,800 meters (6,000 feet) of auger drilling were performed initially, with 3,300 meters (11,000 feet) of additional reverse circulation drilling and 8,200 meters (27,000 feet) of diamond core drilling. 6 hectares (48 acres), within the larger C Zone gold anomaly, has been sampled by auger drilling and shaft-style pits to a depth of as much as 6 meters (20 feet) from the surface and contains approximately 430,000 cubic meters (m3) of mineralized material. |
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