Gowganda Formation
E843362
The Gowganda Formation is a Paleoproterozoic sedimentary rock unit in the Huronian Supergroup of Ontario, Canada, notable for preserving some of the most important geological evidence of ancient global-scale glaciation.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
sedimentary rock unit ⓘ |
| contains | dropstone-bearing strata ⓘ |
| country | Canada ⓘ |
| depositionalEnvironment |
glaciolacustrine
ⓘ
glaciomarine ⓘ proglacial ⓘ |
| evidenceFor |
Huronian glaciation
NERFINISHED
ⓘ
Paleoproterozoic global glaciation ⓘ low-latitude glaciation ⓘ |
| geologicAge | Paleoproterozoic ⓘ |
| geologicPeriod | Paleoproterozoic Eon NERFINISHED ⓘ |
| hasEconomicInterest |
aggregate resources
ⓘ
groundwater aquifers ⓘ |
| hasNotableFeature |
dropstones in fine-grained laminated sediments
ⓘ
stratigraphic evidence of multiple glacial advances ⓘ thick glacial diamictite beds ⓘ varve-like lamination ⓘ |
| hasResearchSignificance | key record of early Proterozoic climate ⓘ |
| hasTypeOfGlacialDeposit | tillite ⓘ |
| lithology |
conglomerate
ⓘ
diamictite ⓘ mudstone ⓘ sandstone ⓘ siltstone ⓘ varved shale ⓘ |
| locatedIn |
Canada
ⓘ
Ontario ⓘ |
| locatedOnContinent | North America ⓘ |
| maximumAgeMa | 2100 ⓘ |
| minimumAgeMa | 2400 ⓘ |
| namedAfter |
Gowganda Lake
NERFINISHED
ⓘ
Gowganda area NERFINISHED ⓘ |
| overlies | Lorrain Formation NERFINISHED ⓘ |
| partOf |
Huronian Supergroup
NERFINISHED
ⓘ
Huronian glacial succession NERFINISHED ⓘ Paleoproterozoic sedimentary cover of the Canadian Shield ⓘ |
| provinceOrState | Ontario NERFINISHED ⓘ |
| region |
Huronian belt
NERFINISHED
ⓘ
Lake Huron area NERFINISHED ⓘ |
| stratigraphicUnitOf | Southern Province of the Canadian Shield NERFINISHED ⓘ |
| studiedInDiscipline |
glacial geology
ⓘ
paleoclimatology ⓘ sedimentology ⓘ stratigraphy ⓘ |
| underlies |
Bruce Formation
NERFINISHED
ⓘ
Lorrain Formation NERFINISHED ⓘ |
| usedAsEvidenceFor | early Proterozoic snowball Earth hypotheses ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.