- The
Huronian glaciation (or
Makganyene glaciation) was a
period where at
least three ice ages
occurred during the
deposition of the
Huronian Supergroup...
- The
Huronian Supergroup is a
Proterozoic ****emblage of
geologic groups of the
Superior Craton of the
Canadian Shield in
Ontario and Quebec. It extends...
- as the
oxygen catastrophe,
which some
geologists believe triggered the
Huronian glaciation.
Since the time
period from 2,420 Ma to 2,250 Ma is well-defined...
-
years ago
during the
Archean eon,
prior to the
Great Oxygenation Event and
Huronian glaciation. Retinal-containing cell
membranes exhibit a
single light absorption...
- the
Huronian, have been
dated to
around 2.4 to 2.1
billion years ago
during the
early Proterozoic Eon.
Several hundreds of
kilometers of the
Huronian Supergroup...
-
number of
glacial periods have been
identified going as far back as the
Huronian epoch,
roughly 2400–2100 Ma. One of the best
studied is the Sturtian-Varangian...
-
localities around the world. The most
significant deposits are in the
Huronian Supergroup in
Elliot Lake, Ontario,
Canada and in the Wi****ersrand Supergroup...
- some
other similar intrusions[specify]
formed during this period. The
Huronian (Makganyene)
global glaciation began at the
start of the
Rhyacian and lasted...
- sandstones, limestones,
copper and iron
bearing rocks,
corresponding to the
Huronian system of Canada. The
central portion of the
Lower Peninsula contains coal...
-
several global glaciations,
which produced the 300 million years-long
Huronian glaciation (during the
Siderian and
Rhyacian periods of the Paleoproterozoic)...
