- 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...
-
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...
-
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...
- (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...
-
chronostratigraphic erathem.
There are ten
defined eras: the Eoarchean,
Paleoarchean, Mesoarchean, Neoarchean, Paleoproterozoic, Mesoproterozoic, Neoproterozoic...
- Mucciarone,
David A. (2024-10-29). "Effect of a
giant meteorite impact on
Paleoarchean surface environments and life".
Proceedings of the
National Academy of...
-
Kaapval craton begins: old
tonaltic gneisses laid down c. 3,600 Ma –
Paleoarchean Era starts.
Possible ****embly of the
Vaalbara supercontinent; oldest...
