Commodity Code

bentonite

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

definition Bentonite is an absorbent aluminium phyllosilicate, essentially impure clay consisting mostly of montmorillonite. more like this
notation
01.02.10.03.02 more like this
Bent more like this
source http://en.wikipedia.org/wiki/Bentonite more like this
type
Resource
Concept
broader fullers earth
narrower bentonite
in scheme commodity code
is primary topic of bentonite