Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:geological_formation
|
| gptkbp:age |
541 million years ago
|
| gptkbp:alsoKnownAs |
Precambrian-Cambrian boundary
|
| gptkbp:definedIn |
first appearance of complex trace fossils
|
| gptkbp:location |
gptkb:Fortune_Head,_Newfoundland,_Canada
|
| gptkbp:marksTransitionBetween |
gptkb:Cambrian_Period
gptkb:Ediacaran_Period |
| gptkbp:recognizedBy |
gptkb:International_Commission_on_Stratigraphy
|
| gptkbp:significance |
associated with the Cambrian explosion
marks the beginning of the Phanerozoic Eon |
| gptkbp:bfsParent |
gptkb:Treptichnus_pedum
|
| gptkbp:bfsLayer |
8
|
| http://www.w3.org/2000/01/rdf-schema#label |
Ediacaran-Cambrian boundary
|