Statements (19)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geochemical concept
|
| gptkbp:alsoKnownAs |
Clarke value
|
| gptkbp:appliesTo |
gptkb:bar
Earth's crust oceans |
| gptkbp:defines |
ratio of the concentration of an element in the Earth's crust to its concentration in a reference material
|
| gptkbp:describes |
relative abundance of chemical elements in Earth's crust
|
| gptkbp:hasUnit |
percentage
|
| https://www.w3.org/2000/01/rdf-schema#label |
Clarke number
|
| gptkbp:namedAfter |
gptkb:Frank_Wigglesworth_Clarke
|
| gptkbp:proposedBy |
late 19th century
|
| gptkbp:referenceMaterial |
gptkb:bar
Earth's crust seawater |
| gptkbp:usedIn |
geochemistry
geology mineralogy |
| gptkbp:bfsParent |
gptkb:Frank_Wigglesworth_Clarke
|
| gptkbp:bfsLayer |
7
|