core sample

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core sample

[′kȯr ‚sam·pəl]
(geology)
A sample of rock, soil, snow, or ice obtained by driving a hollow tube into the undisturbed medium and withdrawing it with its contained sample or core.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

core

core, 6
1. The center of a plywood or crossbanded construction; it may consist of lumber (solid or glued) or particleboard; serves as a base for veneer.
2. The internal structure in a hollow-core door.
3. The wood chips cut from a mortise.
4. The metal bar to which a handrail is attached.
5. The internal structure which serves as a base for complex plasterwork.
6. The molded open space in a concrete masonry unit.
7. The filling within a thick hollow stone wall.
8. The filling between a lintel and relieving arches.
9. A cylindrical sample of hardened concrete or rock obtained by means of a core barrel and drill.
10. A part of a multistory building, containing a variety of service and utility functions, as elevators, stairwells, etc.
11. That part of a magnetic circuit (usually steel or iron laminations) about which are wound coils in electromagnetic devices such as transformers, solenoids, relays, etc.; a magnetic core.
12. (Brit.) The conductor of a cable with its insulation, but not including any outer protective covering.
13. That portion of a grille, 2 contained within the frame.
14. Of gypsum board, the hardened material filling the space between a face paper and a back paper; consists primarily of gypsum with additives.
15. (British) Same as blockout.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
The new round of sampling at West Lake, which will involve Gamma Cone Penetration Testing (GCPT) and core sampling, will begin Monday, May 11.
Providing advanced sonic drill technology with innovative and patented designs, the LS600 rig delivers more accurate core sampling, less than 1-percent hole deviation, reduced waste, and faster penetration than conventional methods.
Core sampling is a process using 3.5” diameter diamond tipped coring drills up to hundreds of feet long.
The LS600 rig claims to deliver more accurate core sampling, less than 1 percent hole deviation, reduced waste, and faster penetration than conventional methods.
"The well was not production-tested, but extensive logging and core sampling were carried out.
The nature of the decompaction reflects a stress in a point of the core sampling. The main microfractures occur in the direction of the greatest pressure, which was applied in a rock mass (Kern et al., 2001).
De Beers has been conducting a feasibility study on the potential for a diamond mine in the area, including an evaluation of core sampling, and expect results by the end of 2001.