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  2. Core sample - Wikipedia

    en.wikipedia.org/wiki/Core_sample

    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 ...

  3. Exploration diamond drilling - Wikipedia

    en.wikipedia.org/wiki/Exploration_diamond_drilling

    The drill uses a diamond encrusted drill bit (pictured on the right) to drill through the rock. The drill produces a "core" which is photographed and split longitudinally. Half of the split core is assayed, while the other half is permanently stored for future use and re-assaying if necessary. Although a larger diameter core is the most ...

  4. Layne Christensen Company - Wikipedia

    en.wikipedia.org/wiki/Layne_Christensen_Company

    Mineral Exploration Division conducts primarily above ground drilling activities, including all phases of core drilling, reverse circulation, dual tube, hammer and rotary air-blast methods. Layne's service offerings include both exploratory and directional drilling for major gold, copper and other base metal producers.

  5. Solitario Reports Significant Seligman Deposit Drilling ...

    www.aol.com/news/2012-11-08-solitario-reports...

    Solitario Reports Significant Seligman Deposit Drilling Results on Its Mt. Hamilton Gold Project, Nevada DENVER--(BUSINESS WIRE)-- Solitario Exploration & Royalty Corp. ("Solitario") (NYSE MKT:XPL ...

  6. Boring (earth) - Wikipedia

    en.wikipedia.org/wiki/Boring_(earth)

    Boring is drilling a hole, tunnel, or well in the Earth. It is used for various applications in geology, agriculture, hydrology, civil engineering, and mineral exploration. Today, most Earth drilling serves one of the following purposes: return samples of the soil and/or rock through which the drill passes; access rocks from which material can ...

  7. Scientific drilling - Wikipedia

    en.wikipedia.org/wiki/Scientific_drilling

    Scientific drilling into the Earth is a way for scientists to probe the Earth's sediments, crust, and upper mantle. In addition to rock samples, drilling technology can unearth samples of connate fluids and of the subsurface biosphere , mostly microbial life , preserved in drilled samples.