Commodity Code

greenstone

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

definition Commercial greenstones are the result of the metamorphosis of basaltic rocks. Greenstone is named because of the predominance of greenish minerals, such as actinolite, chlorite, or epidote. more like this
notation
01.01.03.03 more like this
GreSt more like this
source http://minerals.usgs.gov/minerals/pubs/commodity/stone_dimension/myb1-2007-stond.pdf more like this
type
Resource
Concept
broader dimension stone
narrower greenstone
in scheme commodity code
is primary topic of greenstone