Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geologic timescale
|
| gptkbp:AmazonianEnd |
present
|
| gptkbp:AmazonianStart |
~3.0 billion years ago
|
| gptkbp:appliesTo |
gptkb:Mars
|
| gptkbp:basisFor |
relative crater density
|
| gptkbp:describes |
Martian geological history
|
| gptkbp:developedBy |
planetary geologists
|
| gptkbp:hasEon |
gptkb:Noachian
gptkb:Hesperian Amazonian |
| gptkbp:HesperianEnd |
~3.0 billion years ago
|
| gptkbp:HesperianStart |
~3.7 billion years ago
|
| https://www.w3.org/2000/01/rdf-schema#label |
Martian geologic timescale
|
| gptkbp:NoachianEnd |
~3.7 billion years ago
|
| gptkbp:NoachianStart |
~4.1 billion years ago
|
| gptkbp:publishedIn |
scientific literature
|
| gptkbp:relatedTo |
Earth geologic timescale
|
| gptkbp:usedBy |
gptkb:NASA
gptkb:ESA planetary scientists |
| gptkbp:usedFor |
dating Martian surface features
|
| gptkbp:bfsParent |
gptkb:Noachian
|
| gptkbp:bfsLayer |
7
|