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Silurian
Silurian Si*lu"ri*an, a. [From L. Silures, a people who
anciently inhabited a part of England and Wales.] (Geol.)
Of or pertaining to the country of the ancient Silures; -- a
term applied to the earliest of the Paleozoic eras, and also
to the strata of the era, because most plainly developed in
that country.
Note: The Silurian formation, so named by Murchison, is
divided into the Upper Silurian and Lower Silurian. The
lower part of the Lower Silurian, with some underlying
beds, is now separated under the name Cambrian, first
given by Sedwick. Recently the term Ordovician has been
proposed for the Lower Silurian, leawing the original
word to apply only to the Upper Silurian.
Silurian
Silurian Si*lu"ri*an, n.
The Silurian age.
Meaning of SILURIAN from wikipedia
- The
Silurian (/sɪˈljʊəri.ən, saɪ-/ sih-LURE-ee-ən, sy-) is a
geologic period and
system spanning 24.6
million years from the end of the
Ordovician Period...
- The
Silurian hypothesis is a
thought experiment,
which ****esses
modern science's
ability to
detect evidence of a
prior advanced civilization,
perhaps several...
- The
Silurian is the
geological period and
system lasting roughly from 445
million years ago to 415
million years ago.
Silurian may also
refer to: Silurian...
- The
Silurians and Sea
Devils are two
fictional related ancient species created by
Malcolm Hulke for the long-running
British science fiction television...
-
sometimes known as the end-Ordovician m****
extinction or the Ordovician-
Silurian extinction, is the
first of the "big five"
major m****
extinction events...
-
Doctor Who and the
Silurians is the
second serial of the
seventh season in the
British science fiction television series Doctor Who. It was
first broadcast...
- six
geologic periods (from
oldest to youngest), Cambrian, Ordovician,
Silurian, Devonian,
Carboniferous and Permian. Some
geological timescales divide...
- The
Silurian-Devonian
Terrestrial Revolution, also
known as the
Devonian Plant Explosion (DePE) and the
Devonian explosion, was a
period of
rapid colonization...
- of the
Cambrian Period 485.4 Ma (million
years ago) to the
start of the
Silurian Period 443.8 Ma. The Ordovician,
named after the
Welsh tribe of the Ordovices...
- ago)
occurred at the
beginning of the
Silurian Period. The
Llandoverian Epoch follows the m****ive Ordovician-
Silurian extinction events,
which led to a large...
