- core rock drill
- колонковое горное сверло
English-Russian mining dictionary. В.П. Манышев.
core rock drill
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Core sample — Rock core samples. The product of a Diamond rig. (The bird is a Pied Butcherbird.) 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… … Wikipedia
Core recovery parameters — describe the quality of core recovered from a borehole. Contents 1 Total core recovery 2 Solid core recovery 3 Rock quality designation 3.1 Classificat … Wikipedia
Core — Core, n. [OF. cor, coer, cuer, F. c[oe]ur, fr. L. cor heart. See {Heart}.] 1. The heart or inner part of a thing, as of a column, wall, rope, of a boil, etc.; especially, the central part of fruit, containing the kernels or seeds; as, the core of … The Collaborative International Dictionary of English
Core box — Core Core, n. [OF. cor, coer, cuer, F. c[oe]ur, fr. L. cor heart. See {Heart}.] 1. The heart or inner part of a thing, as of a column, wall, rope, of a boil, etc.; especially, the central part of fruit, containing the kernels or seeds; as, the… … The Collaborative International Dictionary of English
Core print — Core Core, n. [OF. cor, coer, cuer, F. c[oe]ur, fr. L. cor heart. See {Heart}.] 1. The heart or inner part of a thing, as of a column, wall, rope, of a boil, etc.; especially, the central part of fruit, containing the kernels or seeds; as, the… … The Collaborative International Dictionary of English
Rock-climbing equipment — Rock climbing History Styles Technique Equipment and protection Grades (difficulty of climb) Terminology Belaying Abseiling … Wikipedia
Drill cuttings — Drill cuttings[1] are the broken bits of solid material removed from a borehole drilled by rotary, percussion, or auger methods. Boreholes drilled in this way include oil or gas wells, water wells, and holes drilled for geotechnical… … Wikipedia
Rock Quality Designation — (RQD) was developed in 1964 by D. U. Deere. It is based on measuring core recovery percentage which incorporates only pieces that are greater than 100 mm in length. In this respect pieces of core that are not hard and sound should not be counted… … Wikipedia
core — [kôr] n. [ME < OFr cor, prob. < L cor,HEART] 1. the hard, central part of an apple, pear, etc., that contains the seeds 2. the central or innermost part of anything 3. the most important part, as of a matter, discussion, etc.; essence; pith … English World dictionary
Rock core — A rock core is a special type of drill core and is a long tube looking run of rock obtained from the subsurface by drilling using a drilling rig. Usually using a method called mud rotary and cutting with a 2 inch bit and can be a few feet in… … Wikipedia
Core Research Center — The Core Research Center is a facility run by the United States Geological Survey, located in F bay in building 810 on the Denver Federal Center campus. It is maintained by the USGS to preserve valuable rock cores, well cuttings and various other … Wikipedia
