Sand: Difference between revisions
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Sand is a combination of broken-down grains of rock and minerals that forms from physical or chemical weathering. It may also contain biogenic material, like | Sand is a combination of broken-down grains of rock and minerals that forms from physical or chemical weathering. It may also contain biogenic material, like shells, coral, seaweed, or more. Grains smaller than sand are [[silt]] and grains larger are [[gravel]]. The word sand comes from the Proto-Germanic word sandam. [2] | ||
==Formation== | ==Formation== | ||
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==References== | ==References== | ||
[1] Sepp, Siim. "What is Sand" SandAtlas.org, Retrieved April 10, 2021, from https://www.sandatlas.org/sand/ | [1] Sepp, Siim. "What is Sand" SandAtlas.org, Retrieved April 10, 2021, from https://www.sandatlas.org/sand/ | ||
[2] Harper, Douglas. “Sand.” Online Etymology Library, Etymonline.com, from www.etymonline.com/word/sand. | |||
[3] NOAA. "How does sand form?" National Ocean Service, oceanservice.noaa.gov, from https://oceanservice.noaa.gov/facts/sand.html | |||
Revision as of 15:42, 10 April 2021
Sand is a combination of broken-down grains of rock and minerals that forms from physical or chemical weathering. It may also contain biogenic material, like shells, coral, seaweed, or more. Grains smaller than sand are silt and grains larger are gravel. The word sand comes from the Proto-Germanic word sandam. [2]
Formation
Composition
It ranges in size from 1/16th to 2mm.[1]
Texture Triangle
Ecology
References
[1] Sepp, Siim. "What is Sand" SandAtlas.org, Retrieved April 10, 2021, from https://www.sandatlas.org/sand/ [2] Harper, Douglas. “Sand.” Online Etymology Library, Etymonline.com, from www.etymonline.com/word/sand. [3] NOAA. "How does sand form?" National Ocean Service, oceanservice.noaa.gov, from https://oceanservice.noaa.gov/facts/sand.html