- 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...
-
Mountain Formation is the name
given to a
distinctive sedimentary geologic formation in
eastern Utah,
spanning most of the
early and mid-
Cretaceous. The formation...
- 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...
-
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...
- of the
Cretaceous. It
underlies much of the
Great Plains of the US and Canada.
Evidence of
vertebrate life is
common throughout the
formation and includes...
- 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...
- 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...
-
Judith River Formation is a fossil-bearing
geologic formation in Montana, and is part of the
Montana Group. It
dates to the Late
Cretaceous,
between 79...
