- The
Paleoarchean (/ˌpeɪlioʊ.ɑːrˈkiːən, ˌpæl-/ PAY-lee-oh-ar-KEE-ən, PAL-), also
spelled Palaeoarchaean (formerly
known as the
early Archean), is a geologic...
-
million years, from the end of the
Hadean Eon 4031 Mya to the
start of the
Paleoarchean Era 3600 Mya. Some
estimates place the
beginnings of life on
Earth in...
-
eventually into the nitrogen- and
carbon dioxide-rich,
weakly reducing Paleoarchean atmosphere. The eon's name "Hadean"
comes from Hades, the Gr**** god of...
-
Western Australia. With an age of
around 3.47
billion years dating to the
Paleoarchean, it is the
oldest known impact structure on
Earth by over a
billion years...
-
Archean Eon (2.5–4 Ga)
Neoarchean (2.5–2.8 Ga)
Mesoarchean (2.8–3.2 Ga)
Paleoarchean (3.2–3.6 Ga)
Eoarchean (3.6–4 Ga)
Hadean Eon (4–4.6 Ga) ka = kiloannum...
- – 0 —
Precambrian Hadean Archean Proterozoic Phaner ozoic Eoarchean Paleoarchean Mesoarchean
Neoarchean Paleoproterozoic Mesoproterozoic Neoproterozoic...
-
chronostratigraphic erathem.
There are ten
defined eras: the Eoarchean,
Paleoarchean, Mesoarchean, Neoarchean, Paleoproterozoic, Mesoproterozoic, Neoproterozoic...
- (one of the
earliest forms of life on Earth) have been
dated to the
Paleoarchean era
approximately 3.5
billion years ago.
Marble Bar has been described...
- ago, and the Eoarchean,
starting 4
billion years ago, and part of the
Paleoarchean era,
starting 3.6
billion years ago, of the
Archean eon. This period...
- Earth,
estimated to have
lived some 3.5 to 3.8
billion years ago (in the
Paleoarchean). The
project of a
complete description of the
phylogenetic relationships...
