- 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...
- The
Great Ordovician Biodiversification Event (GOBE) was an
evolutionary radiation of
animal life
throughout the
Ordovician period, 40
million years after...
-
washed as**** onto
riparian areas started to take hold
later during the
Ordivician before rapidly expanding inland during the
Silurian and Devonian, paving...
- Natapov, L. M. (1987). "Tectonic
History of the
Arctic Region from the
Ordivician Through the Cretaceous". In Herman,
Yvonne (ed.). The
Arctic Seas: Climatology...
-
Members of this
family have been
recorded from the
Cambrian to
early Ordivician from 513 to 478 MYA.
Members of this
family have been
uncovered in the...
- and fells.
About 500
million years ago in the late
Cambrian and
early Ordivician periods, the
region was
situated where the
Iapetus ocean floor was being...
-
Lavaloceras is a
genus of
middle Ordivician discosorids included in the Westonoceratidae. The s**** as
nearly straight, with a
slight exogastic curvature...
- Gastem, a
Canadian company,
which had been
drilling gas
wells into the
Ordivician Utica Shale in Quebec,
drilled the
first of its
three state-permitted...
- This site
exposes igneous tonalite rocks 452
million years old, in the
Ordivician period, and it
helps to do****ent the
growth of
continental crust beneath...
- It was
formerly grouped together with
Cerro Negro Formation and the
Ordivician Balcarce Formation into La
Tinta Group. ****
swarms of
Tandil and Azul...
