- 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...
- Natapov, L. M. (1987). "Tectonic
History of the
Arctic Region from the
Ordivician Through the Cretaceous". In Herman,
Yvonne (ed.). The
Arctic Seas: Climatology...
-
washed as**** onto
riparian areas started to take hold
later during the
Ordivician before rapidly expanding inland during the
Silurian and Devonian, paving...
- Praenuculinae. It is one of
three Praenuculinae genera known solely from Late
Ordivician,
Caradoc epoch,
fossils found in
South America.
Trigonoconcha currently...
- 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...
- It was
formerly grouped together with
Cerro Negro Formation and the
Ordivician Balcarce Formation into La
Tinta Group. ****
swarms of
Tandil and Azul...
-
experienced an ice age
during the late
Proterozoic and
another during the
Ordivician period.
During the Cambrian,
there was no ice age and it was slightly...
- 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...
-
Carboniferous and
Ordovician rocks. The
Ingletonian rock has been
classified as
Ordivician.
Starting in the
Broadwood car park the
trail takes walkers along the...
