core sample


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core sample

sample of wool collected by passing a sharp hollow instrument through the bale; the sample is examined for color, contaminants and fiber diameter and the bale is sold on the basis of the sample and the weight of the bale.
References in periodicals archive ?
In each experiment, a core sample was first fully saturated with water.
Rather than using models, array sensor readings or personal expertise to decide where to make a series of test holes, geologists can now utilize this instrument to rapidly access the mineral makeup of the core samples as soon as they are extracted.
Corell, assistant director for Geosciences of the National Science Foundation, said the core samples are the strongest evidence yet that an asteroid impact caused the extinction.
Core samples were transported to the "Centro Experimental Chihuahua Laboratory of Servicio GeolE[thorn]gico Mexicano" for analysis.
All core samples are split in half using a diamond saw and sealed in secure packages, shipped by bonded air carrier from Red Lake to ALS Chemex in Thunder Bay for preparation, and to ALS Chemex in North Vancouver for AU-AA62 assay (gold by fire assay with AA finish) and ME-MS61 47 element analysis (4 acid dissolution and ICP-MS).
Their core samples dated back as much as 8,000 years.
WT) announced today that it has completed the relogging of approximately 10,000 meters of core samples from its Junin copper prospect, located in Northern Ecuador.
Now, extensive core samples gathered on leg 145 of the Ocean Drilling Program may prompt oceanographers to reexamine the connection between Pacific volcanism and the northern hemisphere's deep freeze, says David K.
Core samples were crushed to pass a 10-mesh-size sieve, a 200- to 250-gram split was then pulverized to have no greater than 95% passing a 200-mesh-sized sieve to produce a homogenized sub-sample.
Smith in the university's department of geology and geophysics reports in the March GEOLOGY on the magnetic properties of core samples taken from drill hole 504B, which penetrated 1,350 meters into the crust during Leg 83 of the Deep Sea Drilling Project (DSDP).
The core samples are being transported to laboratory facilities for analysis, including hydrocarbon assay.
Preliminary metallurgical studies are nearing completion from drill core samples of the M2 Zone.