Huronian Supergroup
E843361
The Huronian Supergroup is a thick sequence of Paleoproterozoic sedimentary and volcanic rocks in the Lake Huron region of Canada that preserves evidence of some of Earth’s earliest major glaciations.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | geologic supergroup ⓘ |
| ageEnd | about 2.2 billion years ago ⓘ |
| ageStart | about 2.5 billion years ago ⓘ |
| contains |
Bruce Formation
NERFINISHED
ⓘ
Gordon Lake Formation NERFINISHED ⓘ Gowganda Formation NERFINISHED ⓘ Lorrain Formation NERFINISHED ⓘ Matinenda Formation NERFINISHED ⓘ McKim Formation NERFINISHED ⓘ Mississagi Formation NERFINISHED ⓘ Pecors Formation NERFINISHED ⓘ Serpent Formation NERFINISHED ⓘ Spanish River Formation NERFINISHED ⓘ |
| containsEvidenceOf |
Huronian glaciation
ⓘ
Paleoproterozoic glaciations ⓘ dropstones ⓘ glacial diamictites ⓘ multiple glacial cycles ⓘ paleosols ⓘ sea-level changes ⓘ |
| depositionalEnvironmentIncludes |
fluvial systems
ⓘ
glacial environments ⓘ marine shelf ⓘ |
| geologicAge | Paleoproterozoic ⓘ |
| lithologyIncludes |
basalt
ⓘ
conglomerate ⓘ diamictite ⓘ sandstone ⓘ sedimentary rocks ⓘ shale ⓘ siltstone ⓘ volcanic rocks ⓘ volcaniclastic rocks ⓘ |
| locatedIn |
Canada
ⓘ
Lake Huron region ⓘ Ontario ⓘ |
| namedAfter | Lake Huron NERFINISHED ⓘ |
| overlies | Archean basement rocks ⓘ |
| partOf | Canadian Shield NERFINISHED ⓘ |
| significantFor |
evidence for early atmospheric oxygenation
ⓘ
study of early Proterozoic climate ⓘ |
| subdividedInto |
Cobalt Group
NERFINISHED
ⓘ
Elliot Lake Group NERFINISHED ⓘ Hough Lake Group NERFINISHED ⓘ Quirke Lake Group NERFINISHED ⓘ |
| thickness | more than 10 kilometers ⓘ |
| underlies |
Animikie Group
NERFINISHED
ⓘ
Sudbury Basin fill ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.