-
Continental drift is the hypothesis,
originating in the
early 20th century, that Earth's
continents move or
drift relative to each
other over geologic...
- or Palaeocene, is a
geological epoch that
lasted from
about 66 to 56
million years ago (mya). It is the
first epoch of the
Paleogene Period in the modern...
-
Holocene (/ˈhɒl.əsiːn, -oʊ-, ˈhoʊ.lə-, -loʊ-/) is the
current geological epoch,
beginning approximately 11,700
years ago. It
follows the Last
Glacial Period...
- is the
younger of two
epochs into
which the
Cretaceous Period is
divided in the
geologic time scale. Rock
strata from this
epoch form the
Upper Cretaceous...
-
Ordovician epoch (470.0 Ma – 458.4 Ma)
Darriwilian stage/age (467.3 Ma – 458.4 Ma)
Dapingian stage/age (470.0 Ma – 467.3 Ma)
Lower Ordovician epoch (485.4...
- The
Oligocene Epoch extends from
about 34 million
years ago to 23 million
years ago.
During the
Oligocene the
continents continued to
drift toward their...
- The Late Tri****ic is the
third and
final epoch of the Tri****ic
Period in the
geologic time scale,
spanning the time
between 237 Ma and 201.4 Ma (million...
- EE-ə-seen, EE-oh-) is a
geological epoch that
lasted from
about 56 to 33.9
million years ago (Ma). It is the
second epoch of the
Paleogene Period in the modern...
- Pleiocene) is the
epoch in the
geologic time
scale that
extends from 5.333
million to 2.58
million years ago. It is the
second and most
recent epoch of the Neogene...
-
reform shortened the
average (calendar) year by 0.0075 days to stop the
drift of the
calendar with
respect to the equinoxes. Second, in the
years since...
