- The
Paleoproterozoic Era (also
spelled Palaeoproterozoic) is the
first of the
three sub-divisions (eras) of the
Proterozoic eon, and also the
longest era...
-
incorporated among the Archaea.
Eukaryotes first emerged during the
Paleoproterozoic,
likely as
flagellated cells. The
leading evolutionary theory is they...
-
subdivided into
three geologic eras (from
oldest to youngest): the
Paleoproterozoic,
Mesoproterozoic and Neoproterozoic. It
covers the time from the appearance...
-
oxygen in the atmosphere,
leading to the
Great Oxidation Event in the
Paleoproterozoic era. The
earliest evidence of
microbial oxidation of sulphur, dating...
-
formed by the
impact of an
asteroid 1.849
billion years ago in the
Paleoproterozoic era. The
basin is
located on the
Canadian Shield in the city of Greater...
- as the
Vredefort Dome. The
impact structure was
formed during the
Paleoproterozoic Era, 2.023 billion (± 4 million)
years ago. It is the second-oldest...
- microcontinents,
continents and supercontinents. For the
Archean to
Paleoproterozoic cores of most of the
continents see also list of
shields and cratons...
-
defined eras: the Eoarchean, Paleoarchean, Mesoarchean, Neoarchean,
Paleoproterozoic, Mesoproterozoic, Neoproterozoic, Paleozoic,
Mesozoic and Cenozoic...
-
Archean rocks are
overlain by
Paleoproterozoic supracrustal sequences (ca. 1.8–2.1 Ga) and
intruded by
Paleoproterozoic diabase ****s (ca. 2.0–2.2 Ga)...
- is
divided into
three eras: the Neoproterozoic,
Mesoproterozoic and
Paleoproterozoic. Neoproterozoic: The
youngest geologic era of the
Proterozoic Eon,...
