Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
scientific theory
|
| gptkbp:aftermath |
gptkb:Cambrian_explosion
|
| gptkbp:alternativeHypotheses |
gptkb:Slushball_Earth
|
| gptkbp:debatedBy |
geologists
|
| gptkbp:describes |
periods of extensive glaciation
|
| gptkbp:evidence |
gptkb:cap_carbonates
paleomagnetic data glacial deposits at low latitudes |
| https://www.w3.org/2000/01/rdf-schema#label |
Snowball Earth
|
| gptkbp:implications |
evolution of multicellular life
oxygenation of atmosphere |
| gptkbp:mainGlaciations |
gptkb:Marinoan_glaciation
gptkb:Sturtian_glaciation gptkb:Gaskiers_glaciation |
| gptkbp:meltingCausedBy |
volcanic CO2 buildup
|
| gptkbp:occurredIn |
gptkb:Proterozoic_Eon
gptkb:Cryogenian_Period |
| gptkbp:period |
720 to 635 million years ago
|
| gptkbp:proposedBy |
gptkb:Joseph_Kirschvink
Earth was entirely or nearly entirely frozen |
| gptkbp:relatedTo |
gptkb:Neoproterozoic_Era
gptkb:Great_Oxidation_Event |
| gptkbp:studiedIn |
Earth sciences
geology paleoclimatology |
| gptkbp:bfsParent |
gptkb:Proterozoic
|
| gptkbp:bfsLayer |
6
|