Commodity Code

gypsum

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

definition Gypsum is one of the more common minerals in sedimentary environments. It is a major rock forming mineral that produces massive beds, usually from precipitation out of highly saline waters. Since it forms easily from saline water, gypsum can have many inclusions of other minerals and even trapped bubbles of air and water. more like this
notation
01.02.15.03 more like this
Gp more like this
source http://www.galleries.com/Gypsum more like this
type
Resource
Concept
broader evaporite
narrower gypsum
in scheme commodity code
is primary topic of gypsum