- The **** Cr****
Formation is an
intensively studied division of
mostly Upper Cretaceous and some
lower Paleocene rocks in
North America,
named for exposures...
- The
Cretaceous (IPA: /krɪˈteɪʃəs/ krih-TAY-shəss) is a
geological period that
lasted from
about 143.1 to 66
million years ago (Mya). It is the
third and...
-
Nemegt Formation (also
known as
Nemegtskaya Svita) is a
geological formation in the Gobi
Desert of Mongolia,
dating to the Late
Cretaceous. The
formation consists...
-
southern Alberta. It was
deposited during the
Campanian stage of the Late
Cretaceous,
between about 76.5 and 74.4 million
years ago. It was
deposited in alluvial...
- The
Cretaceous–Paleogene (K–Pg)
extinction event, also
known as the K–T extinction, was the m****
extinction of three-quarters of the
plant and
animal species...
- The
Early Cretaceous (geochronological name) or the
Lower Cretaceous (chronostratigraphic name) is the
earlier or
lower of the two
major divisions of the...
- over 2800 feet (850 m) thick, and is
Campanian in age. This
Upper Cretaceous formation was
formed from
alluvial floodplains of
large rivers in
coastal southern...
- that
dates to the
Cretaceous period. It was
first described and
established by
Vasiliev et al. 1959. The
Bayan Shireh Formation is
primarily composed...
- have
controversially been
identified in beds of this
formation dating from
after the
Cretaceous–Paleogene
extinction event, but
these have been explained...
- Formation) is a
geological formation in Jinzhou, Liaoning, People's
Republic of China, that
spans the
Barremian stage of the
Early Cretaceous. It is
known for its...
