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.

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.
References in periodicals archive ?
There are three peaks of species diversity as could be observed from Ndeaboh-Lokpanta (NLT) and only the 2nd peak was observed at Acha corehole (Figs.
Nine metres of coal was intersected by the new corehole drilled through these three seams.
2-D seismic data, and drilled one shallow corehole over a three-year period.
corehole drilling costs) and some are ordinarily considered to be operating costs of post-commercial production.
In October 2012, the work programme and budget for the drilling of the nine corehole exploration programme at our coal bed methane assets in Botswana,during the 2013 financial year, was approved.
The increase in 2P certified natural gas reserves is based on results from only the first four coreholes drilled in the Dewhurst area, which demonstrated that the same thick, gas-saturated and highly permeable coals identified last year in the Bibblewindi corehole project also extend laterally into the Dewhurst area to the southeast.
Southern Pacific expects to use the net proceeds of this offering for the long lead equipment orders and engineering on the STP-McKay Phase 1 Expansion, to improve its working capital position, for working capital required to manage the recently announced rail marketing arrangement and for a discretionary corehole exploration program over the winter of 2012/13.
This estimate includes the cost to re-abandon a number of core holes at Axe Lake from the Company's early exploration corehole programs.
AMEX:GST) (TSX:YGA) together with joint venture partner Eastern Star Gas (ASX: ESG) announced today the results from the latest exploratory corehole drilled on license PEL 238 located in New South Wales, Australia.
In April 2009, we began a corehole evaluation program in the Coonarah area to test coals found when shallow conventional wells were drilled in the area.
With our joint venture partner, we have now drilled six test coreholes and have initiated the testing of a third exploration and appraisal area that is 26 miles northeast of Bibblewindi by spudding the Ederoi #1 corehole well.
Patch and its JV partner are currently ramping up operations to utilize as many as 6 rigs to conclude the winter access operation of Dover's 16 corehole program and Firebag's 12 corehole program.