- The
Archean Eon (IPA: /ɑːrˈkiːən/ ar-KEE-ən, also
spelled Archaean or Archæan), in
older sources sometimes called the Archaeozoic, is the
second of the...
-
Hadean eon was
succeeded by the
Archean eon, with the Late
Heavy Bombardment hypothesized to have
occurred at the Hadean-
Archean boundary.
Hadean rocks are...
- an
informal unit of
geologic time,
subdivided into
three eons (Hadean,
Archean, Proterozoic) of the
geologic time scale. It
spans from the
formation of...
-
Archean subduction is a
contentious topic involving the
possible existence and
nature of
subduction in the
Archean, a
geologic eon
extending from 4.0-2...
- the
longest eon of Earth's
geologic time scale. It is
preceded by the
Archean and
followed by the Phanerozoic, and is the most
recent part of the Precambrian...
- Post
Archean (after 2.5 Ga) TTG
rocks are
present in arc-related batholiths, as well as in
ophiolites (although of a
small proportion),
while Archean TTG...
-
Archean Soundtrack are a
British rock/hip hop band from London, England. It was
formed by
actors from the
accredited East 15
Acting School in 2009. Archean...
-
these mountains to
rolling hills. The
Canadian Shield is a
collage of
Archean plates and
accreted juvenile arc
terranes and
sedimentary basins of the...
- that
formed at
different times in Earth's history:
Archean and
Phanerozoic subcontinental mantle.
Archean lithosphere is
strongly depleted in
fertile melt...
- ɑːrˈkiːən/ EE-oh-ar-KEE-ən; also
spelled Eoarchaean) is the
first era of the
Archean Eon of the
geologic record. It
spans 431
million years, from the end of...