Sand
Sand is a naturally occurring 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 to a textural class of soil or soil type; i.e. a soil containing more than 85% sand-sized particles (by mass).
The composition of sand varies, depending on the local rock sources and conditions, but the most common constituent of sand in inland continental settings and non-tropical coastal settings is silica (silicon dioxide, or SiO2), usually in the form of quartz. The second most common type of sand is calcium carbonate, for example aragonite, which has mostly been created, over the past half billion years, by various forms of life, like coral and shellfish. It is, for example, the primary form of sand apparent in areas where reefs have dominated the ecosystem for millions of years like the Caribbean.
Composition
In terms of particle size as used by geologists, sand particles range in diameter from 0.0625 mm (or 1⁄16 mm) to 2 mm. An individual particle in this range size is termed a sand grain. Sand grains are between gravel (with particles ranging from 2 mm up to 64 mm) and silt (particles smaller than 0.0625 mm down to 0.004 mm). The size specification between sand and gravel has remained constant for more than a century, but particle diameters as small as 0.02 mm were considered sand under the Albert Atterberg standard in use during the early 20th century. A 1953 engineering standard published by the American Association of State Highway and Transportation Officials set the minimum sand size at 0.074 mm. A 1938 specification of the United States Department of Agriculture was 0.05 mm. Sand feels gritty when rubbed between the fingers (silt, by comparison, feels like flour).
Sand!
Sand! is a 1920 American silent Western film directed by Lambert Hillyer and written by Lambert Hillyer based upon the Russell A. Boggs short story "Dan Kurrie’s Inning." The film stars William S. Hart, Mary Thurman, G. Raymond Nye, Patricia Palmer, Bill Patton, and S.J. Bingham. The film was released on June 20, 1920, by Paramount Pictures.
Cast
Survival status
Copies of the film are in the Library of Congress and George Eastman House Motion Picture Collection.
References
External links
Sandō
A sandō (参道, visiting path) in Japanese architecture is the road approaching either a Shinto shrine or a Buddhist temple. Its point of origin is usually straddled in the first case by a Shinto torii, in the second by a Buddhist sanmon, gates which mark the beginning of the shrine's or temple territory. The word dō (道) can refer both to a path or road, and to the path of one's life's efforts. See, Karatedo. c.f. Taoism 道 There can also be stone lanterns and other decorations at any point along its course.
A sandō can be called a front sandō (表参道, omote-sandō), if it is the main entrance, or a rear sandō (裏参道, ura-sandō) if it is a secondary point of entrance, especially to the rear; side sandō (脇参道, waki-sandō) are also sometimes found. The famous Omotesandō district in Tokyo, for example, takes its name from the nearby main access path to Meiji Shrine where an ura-sandō also used to exist.
Gallery
A Buddhist sandō
A Buddhist sandō
A sandō in Osaka
A sandō in Osaka
A sandō with stairs
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Sand
ALBUMS
- The Dalston Shroud released: 2006
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Sand
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- Chill Out Café, Volume Due released: 1999
- Jungle Jazz, Volume 3 released: 1998
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Sand
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- Sand released: 2013
Sand
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Sand
ALBUMS
Sand
ALBUMS
- Sand released: 1973
Sand
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- Sky Bleached released: 2013
SaND
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- Hotell National, volym III released: 2005
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Keine Miese
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Sand
by: Kristin Hershrace through the country the perfect carnivore pull over and stop to breathe there's grape jelly on your sleeve
you pick me up i pull you down down to the ground
make the most of daylight a sun-drenched meadow by the dumpster i came back high and hungover from your flickering light
i hope you find your way home
to the country the perfect manifested heaven and stop to breathe there's an aching heart on your sleeve
you pick me up i pull you down down to the ground
Latest News for: sand
EcoChina | Sand control, afforestation efforts in China's largest desert
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HACU and Las Vegas Sands partner to offer Sands Hospitality Advancement Scholarships (HACU - Hispanic Association of Colleges and Universities)
Umluj … a natural landscape combining white sand and volcanic rocks
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