- Look up
epoch in Wiktionary, the free dictionary. In
chronology and
periodization, an
epoch or reference epoch is an
instant in time
chosen as the origin...
- The
Ordovician (/ɔːrdəˈvɪʃi.ən, -doʊ-, -ˈvɪʃən/
or-də-VISH-ee-ən, -doh-, -VISH-ən) is a
geologic period and system, the
second of six
periods of the Paleozoic...
- Ice Age) is the
geological epoch that
lasted from c. 2.58 million to 11,700
years ago,
spanning the Earth's most
recent period of
repeated glaciations....
-
Carboniferous Period. An
epoch is the
second smallest geochronologic unit. It is
equivalent to a
chronostratigraphic series.
There are 37
defined epochs and one...
- the more
recent of two
epochs into
which the
Cretaceous Period is
divided in the
geologic time scale. Rock
strata from this
epoch form the
Upper Cretaceous...
- stratigraphies, localities, tectonics, and life. The
Pennsylvanian Epoch of the
Carboniferous Period: 318 to 299 Mya, Paleos.com US
Geological Survey comparison...
-
geological eras
defined for the
history of Earth.
Comparable terms are
Epoch, age,
period, saeculum, aeon (Gr**** aion) and
Sanskrit yuga. The word has been...
- -loʊ-/) is the
current geological epoch,
beginning approximately 11,700
years ago. It
follows the Last
Glacial Period,
which concluded with the Holocene...
-
Early Cretaceous (geochronological name)
or the
Lower Cretaceous (chronostratigraphic name) is the
earlier or lower of the two
major divisions of the Cretaceous...
-
Early Jur****ic
Epoch (in
chronostratigraphy corresponding to the
Lower Jur****ic Series) is the
earliest of
three epochs of the Jur****ic
Period. The Early...
