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Drilling rig capable of both diamond and reverse circulation drilling. Exploration diamond drilling is used in the mining industry to probe the contents of known ore deposits and potential sites. By withdrawing a small diameter core of rock from the orebody, geologists can analyze the core by chemical assay and conduct petrologic, structural ...
Rock core samples, the product of a diamond rig. A pied butcherbird perches nearby. A core sample is a cylindrical section of (usually) a naturally-occurring substance. Most core samples are obtained by drilling with special drills into the substance, such as sediment or rock, with a hollow steel tube, called a core drill. The hole made for the ...
In 1888, Edmund J. Longyear, a mining engineer from the first graduating class at the Michigan Mining School, drilled the first diamond core hole in the Mesabi Iron Range in northern Minnesota. [1] In 1890, he formed a contract diamond drilling company to serve the rapidly growing U.S. iron ore mining and steel industry.
HOUSTON--(BUSINESS WIRE)-- Saratoga Resources, Inc. (NYSE MKT: SARA; the "Company" or "Saratoga") today provided an update on its recent development drilling activity in Breton Sound Block 32 field.
On August 15, Geotech uses a Schramm Inc. 685W and two diamond rigs (CS 3001 and CS 4002) for the first drilling stage. Then on August 26, Geotech works to ensure that the 5 + 1 ⁄ 2-inch 6C pilot hole is drilling to reach the underground workshop. After five days of constant drilling, the third attempt succeeds.
The exploration diamond drilling process was led by Edmund J. Longyear, who went on to drill 7,100 test pits all across the Mesabi Range. In 1976 the Iron Range Historical Society developed the site as a historic attraction with period drilling equipment. It is now managed by the city of Hoyt Lakes in partnership with the Hoyt Lakes Garden Club.
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This page was last edited on 16 February 2025, at 01:32 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
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