Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological formation
|
| gptkbp:cause |
decrease in greenhouse gases
continental configuration reduction in volcanic activity |
| gptkbp:characterizedBy |
global glaciation
|
| gptkbp:effect |
evolutionary pressure on life
rise of multicellular organisms |
| gptkbp:evidence |
gptkb:cap_carbonates
glacial deposits paleomagnetic data |
| https://www.w3.org/2000/01/rdf-schema#label |
Snowball Earth events
|
| gptkbp:occurredIn |
gptkb:Neoproterozoic_Era
gptkb:Cryogenian_Period |
| gptkbp:period |
720 to 635 million years ago
|
| gptkbp:relatedTo |
gptkb:Cambrian_explosion
gptkb:Great_Oxygenation_Event |
| gptkbp:resultedIn |
extensive ice coverage
possible mass extinctions |
| gptkbp:significantEvent |
gptkb:Marinoan_glaciation
gptkb:Sturtian_glaciation gptkb:Gaskiers_glaciation |
| gptkbp:studiedIn |
Earth sciences
geology paleoclimatology |
| gptkbp:theorizedBy |
gptkb:Joseph_Kirschvink
|
| gptkbp:theorySuggests |
Earth's surface was entirely or nearly entirely frozen
|
| gptkbp:bfsParent |
gptkb:Precambrian_period
|
| gptkbp:bfsLayer |
6
|