- The
Eoarchean (IPA: /ˌiːoʊ.ɑːrˈkiːən/ EE-oh-ar-KEE-ən; also
spelled Eoarchaean) is the
first era of the
Archean Eon of the
geologic record. It
spans 431...
-
Eoarchean geology is the
study of the
oldest preserved crustal fragments of
Earth during the
Eoarchean era from 4.031 to 3.6 billion
years ago.
Major well-preserved...
- Windley, BF; Kusky, T; Polat, A (2021). "Onset of
plate tectonics by the
Eoarchean".
Precambrian Res. 352: 105980. Bibcode:2021PreR..35205980W. doi:10.1016/j...
-
meaning "dawn"), used to
describe many
early animals in the
fossil record Eoarchean, the
first era of the
Archean Eon
Earth observation Electro-optics Eosinophilic...
-
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 (thousands
years ago);...
-
billion years (Ga) ago, at a time
corresponding to the
Neohadean and
Eoarchean eras on Earth.
According to the hypothesis,
during this interval, a disproportionately...
- with the
formation of the
Earth about 4.6
billion years ago, and the
Eoarchean,
starting 4
billion years ago, and part of the
Paleoarchean era, starting...
-
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 (thousands
years ago);...
- crust. The
presence of
grains of the
mineral zircon of
Hadean age in
Eoarchean sedimentary rocks suggests that at
least some
felsic crust existed as...
-
Holocene epoch.
Precambrian Hadean (or hadaeozoic)
Archean (or archaeozoic)
Eoarchean Paleoarchean Mesoarchean Neoarchean Proterozoic Paleoproterozoic Siderian...
