core sample


core sample
n
that part of a core of rock or coal obtained so as to represent accurately a thickness of a unit penetrating by drilling. D5192

ASTM D121-09a Standard Terminology of Coal and Coke. 2014.

Look at other dictionaries:

  • 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 sample — is a cylindrical rock plug obtained during well core drilling. The core sample is an important geological document used for geological well section investigation (lithology, stratigraphic age, modes of rock occurrence), determination of mineral… …   Glossary of Oil and Gas

  • Core — may refer to: Contents 1 Science and Academics 2 Computers and Technology 3 Media …   Wikipedia

  • Sample (material) — In general, a sample is a limited quantity of something which is intended to be similar to and represent a larger amount of that thing(s). The things could be countable objects such as individual items available as units for sale, or a material… …   Wikipedia

  • Core drill — Truck mounted core drill A core drill is a drill specifically designed to remove a cylinder of material, much like a hole saw. The material left inside the drill bit is referred to as the core. Core drills are used for many applications, either… …   Wikipedia

  • core sampling — ▪ mining       technique used in underground or undersea exploration and prospecting. A core sample is a roughly cylindrical piece of subsurface material removed by a special drill and brought to the surface for examination. Such a sample is… …   Universalium

  • 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

  • Core self-evaluations — (CSE) represent a stable personality trait which encompasses an individual’s subconscious, fundamental evaluations about themselves, their own abilities and their own control. People who have high core self evaluations will think positively of… …   Wikipedia


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