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Gravel - Simple English Wikipedia, the free encyclopedia

Gravel piles at a roadside, waiting for the road repair gang. Gravel is small, loose, rock particles.It is any loose rock that is larger than 2 mm (0.079 in) in its smallest dimension (about 1/12 of an inch) and no more than 64 mm (2.5 in).. Small gravel is composed of granules (>2 to 4 mm/0.079 to 0.16 in). Large gravel is called pebbles (>4 to 64 mm/0.16 to 2.5 in).

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Grain (disambiguation) - Wikipedia

Material structures. Grain (textile), the orientation of a woven textile used in a garment Grain (unit), a unit of mass equal to 64.79891 milligrams, 1 ⁄ 7,000 of an avoirdupois pound Grains per gallon, a unit of water hardness; Grain, a solid-fuel rocket's propellant charge; roughly a hollow cylinder, sometimes textured, and possibly very large ...

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Deformation mechanism - Wikipedia

Deformation mechanisms is commonly characterized as brittle, ductile and brittle-ductile. The driving mechanism responsible is a subject of interplay between internal (e.g composition, grain size and lattice-preferred orientation) and external (e.g temperature and fluid pressure) factors. These mechanisms produce a range of micro-structures studied in rocks to constrain the conditions ...

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Groat (grain) — Wikipedia Republished // WIKI 2

The grain is cleaned, sorted by grain, size and peeled (if necessary) before being hulled. Additionally, the grains can be sliced on a "groat cutter", which can be adjusted to cut fine, medium, or coarse groats. Regardless, thereafter the groats are freed from any adhering parts of the shell by a brushing machine.

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Particle size (general) - Simple English Wikipedia, the ...

The term particle size is used to compare dimensions of different small material objects.. Larger objects are usually called stone, rock, a piece of something, etc.The term particle indicates small size, usually less than centimeter.Particle might be either solid, or liquid, or even gas.Liquid particles are called droplets.Gaseous particles are bubbles. ...

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Particle size (grain size) - Simple English Wikipedia, the ...

Particle size, also called grain size, means the diameter of individual grains of sediment, or the lithified particles in clastic rocks.The term may also be used for other granular materials.

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Grainless | Article about grainless by The Free Dictionary

the smallest unit of weight in the avoirdupois, Troy, and apothecaries' systems, based on the average weight of a grain of wheat: in the avoirdupois system it equals 1/7000 of a pound, and in the Troy and apothecaries' systems it equals 1/5760 of a pound. 1 grain is equal to 0.0648 gram

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Particle-size distribution - Wikipedia

The particle-size distribution (PSD) of a powder, or granular material, or particles dispersed in fluid, is a list of values or a mathematical function that defines the relative amount, typically by mass, of particles present according to size. Significant energy is usually required to disintegrate soil, etc. particles into the PSD that is then called a grain size distribution.

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Intercept method | Article about intercept method by The ...

The microstructure of the material was evaluated using SEM (scanning electron microscope) whereby the grain structures and grain sizes were determined using the average grain intercept method.The average grain intercept method is used to measure the grain size of a material by drawing randomly positioned line segments on the micrograph, counting the number of times each line segment …

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(PDF) Grain Size Analysis - ResearchGate

Grain size analysis is a common method in the study of sedimentology. For the consolidated sedimentary rocks, the traditional methods are rock slice observation and image analysis.

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Spilite - Wikipedia

Spilite is formed when basaltic lava reacts with seawater, or from hydrothermal alteration when seawater circulates through hot volcanic rocks. [2] It is a metasomatic rock with a microscopic or very-fine grain size produced by hydrothermal alteration of basalt, and composed of albite or oligoclase, together with chlorite, epidote, calcite ...

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File:Grain-size-distribution.svg - Wikipedia

Original file ‎ (SVG file, nominally 460 × 316 pixels, file size: 31 KB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.

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Silt - Simple English Wikipedia, the free encyclopedia

Grain size criteria. Silt particles range between a 1 ⁄ 256 and 1 ⁄ 16 mm (3.9 to 62.5 μm), larger than clay but smaller than a sand. Silt is chemically distinct from clay, and unlike clay, grains of silt are about the same size in all dimensions.

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List of rock types - Simple English Wikipedia, the free ...

List Edit. Sorted by name; initial letter means Igneous, Sedimentary or Metamorphic rocks.. A Edit I Andesite – an intermediate volcanic rock M Anthracite – a form of hard coal B Edit S Banded iron formation – a fine grained chemical sedimentary rock composed of iron oxide minerals S Bauxite – the main ore of aluminium.It is mostly aluminium oxide. I Basalt – grey/black fine-grained ...

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Groat (grain) - Wikipedia

The grain is cleaned, sorted by grain, size and peeled (if necessary) before being hulled. Additionally, the grains can be sliced on a "groat cutter", which can be adjusted to cut fine, medium, or coarse groats. Regardless, thereafter the groats are freed from any adhering parts of the shell by a brushing machine.

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Sand - Wikipedia

Sand dunes in the Idehan Ubari, Libya. Depiction of glass sand, dune sand, quartz sand, volcanic sand, coral sand, garnet sand, and olivine sand. Samples are from Mongolia, Estonia, Hawaii, and mainland U.S. (1x1 cm each) Sand is a granular material composed of finely divided rock and mineral particles. It is defined by size, being finer than gravel and coarser than silt. Sand can also refer ...

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Particle size (grain size) - Wikipedia, the free ...

Oct 3, 2012 - Particle size (grain size) - Wikipedia, the free encyclopedia

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G/gr/grain size.html - Academic Kids

Look for G/gr/grain size.html in Wiktionary, our sister dictionary project. Look for G/gr/grain size.html in the Commons, our repository for free images, music, sound, and video. If you have created this page in the past few minutes and it has not yet appeared, it may …

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Grain (disambiguation) - Simple English Wikipedia, the ...

A "cereal" grain is the seed of a grass, a simple dry fruit technically called a caryopsis.Grain may also refer to: Grain (measure), a mass of 64.79891 milligrams, 1/7,000th of an avoirdupois pound Film grain, the fineness of image resolution for photographic film; Grain size, for particles of rock in geology; Grain in metallurgy; GRAIN - an international non-governmental organization for ...

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Mill (grinding) - Simple English Wikipedia, the free ...

People who need to grind a small amount of a food, such as spices or grain, for their own cooking often use a hand-powered mortar and pestle or a hand-powered grinder, such as a pepper grinder. In the 2000s, many people also used electric-powered grinding mills.These kitchen appliances have a metal blade that grinds the food into small pieces. Electric-powered grinding mills are often used for ...

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Grain fineness number | Article about grain fineness ...

This silica sand is a three-screen sand with over 10% retention at the 70,100 and 140 meshes and an overall grain fineness number of 82 (Figure 4).

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Sieve | Article about sieve by The Free Dictionary

sieve a device for separating lumps from powdered material, straining liquids, grading particles, etc., consisting of a container with a mesh or perforated bottom through which the material is shaken or poured Sieve a device for separating dry loose materials by grain size. A distinction is made between flat sieves, which use vibration or a rocking ...

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Particle size - Simple English Wikipedia, the free ...

Particle size (grain size) provides specific details for particle size of soils, powders, gravel, etc. Particle size distribution This disambiguation page lists articles associated with the title Particle size .

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Talk:Particle size (grain size) - Simple English Wikipedia ...

This is the talk page for discussing improvements to the Particle size (grain size) article. This is not a forum for general discussion of the article's subject. Put new text under old text. Click here to start a new topic. Please sign and date your posts by typing four tildes (~~~~). New to Wikipedia? Welcome! Ask questions, get answers.

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Particle size (grain size) - Simple English Wikipedia, the ...

References Edit ↑ Size ranges define limits of classes that are given names in the Wentworth scale (or Udden-Wentworth) used in the United States.The Krumbein phi (φ) scale, a modification of the Wentworth scale created by W. C. Krumbein, (Krumbein & Sloss 1963) is a logarithmic scale computed by the equation: = − ⁡ /.

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Grains | Article about grains by The Free Dictionary

The quality of grain is evaluated on the basis of its freshness, color, odor, taste, acidity, weediness, moisture, character (weight of 1 liter), weight of 1,000 grains, and the cleanliness of the grain stores, which should be free of pests and diseases.

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Fine-grained | Article about fine-grained by The Free ...

Grain size spectra of the fine-grained fraction of sediment samples from the continental shelf/upper slope were determined with a MALVERN MicroP 2000 laser forward-scattering particle sizer at the Instituto Hidrografico.

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Grain size | Article about grain size by The Free Dictionary

Different grain size mixtures are randomly distributed within the coal roof, wall, and pillar of a coal seam in the western China mining area where the overlying rock structures for most of the main coal seams are typically at shallow depths and are overlaid by thick sand layers and underlaid by thin bedrock, which poses substantial safety issues for mining operations.

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