Commodity Code

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sand

http://resource.geosciml.org/classifier/cgi/commodity-code/sand

broader

industrial material

narrower	sand

sand and gravel

definition

Industrial sand is a term normally applied to high purity silica sand products with closely controlled sizing. It is a more precise product than common concrete and asphalt gravels. Silica is the name given to a group of minerals composed solely of silicon and oxygen, the two most abundant elements in the earth’s crust.

narrower

foundry sand

broader	sand

frac sand

broader	sand

notation

01.01.06
Sand

source

http://www.sand.org/What-is-Industrial-Sand

type

Resource
Concept

in scheme

commodity code

is primary topic of

sand