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 ?
Rocks Depth (m) of Catalogue numbers core samples Core sample Surface analogue GI Apatity Biotite gneiss 6849 22515 1-02 Muscovite-biotite 7913 26609 2-02 gneiss Biotite gneiss 8411 28938 4-02 Rocks Catalogue numbers Surface analogue IGEM Moscow Biotite gneiss PL-360 Muscovite-biotite PL-366 gneiss Biotite gneiss PL-367 Table 2 Modal composition (%) of all tested samples.
For Gassmann's method which is considered for this research, one of the four variables needed to calculate the rock bulk modulus is the dry frame bulk modulus d K , which can be determined for each core sample during the experiment.
The brains at NASA knew they wanted a drilling device to gather core samples for a future Asteroid lander mission or a flight to Mars but they didn't know the nuts and bolts of how to do it.
The core sample, a solid tube of wood, is then stored in a straw (or if the sample is a long one, in two straws taped together), and taken back to a lab to be dried, mounted, sanded, and then examined under a microscope.
Electron photomicrographs of the fracture surface of core samples reveal that the binder attachments between sand grains appear very similar to those of other binders (Fig.
More importantly, the instrument identifies and extracts the unique frequency signature of individual mineral/constituents from the full spectrum frequency of the core sample.
A study of elastic anisotropy and other physical and mechanical properties of rocks was carried out on the borehole SD-3 core samples which were drilled out and lifted from depth.
Scientists who drilled core samples from the ocean bed said Sunday they have found proof that a huge asteroid smashed into the Earth 65 million years ago and probably killed off the dinosaurs.
X-rays, which are fuzzier, come in only two dimensions and require that the core sample be cut into pieces, Briskin says.
Cano has received positive results from its laboratory testing of Nowata core samples and is moving forward with the implementation of a SP-enhanced waterflood pilot.
The facility stores drill core samples that can be studied by researchers and explorers seeking new petroleum and mineral discoveries.
Crews will be taking more than three dozen core samples of the roadway from 6:45 p.