- The
Cretaceous (IPA: /krɪˈteɪʃəs/ krih-TAY-shəss) is a
geological period that
lasted from
about 145 to 66
million years ago (Mya). It is the
third and...
- 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 **** Cr****
Formation is an
intensively studied division of
mostly Upper Cretaceous and some
lower Paleocene rocks in
North America,
named for exposures...
- The
Early Cretaceous (geochronological name) or the
Lower Cretaceous (chronostratigraphic name) is the
earlier or
lower of the two
major divisions of the...
- thick, but
further west the
formation is
older and thicker,
exceeding 500
metres (1,600 ft) near Calgary. It is of Late
Cretaceous age,
Campanian to early...
-
represent Late
Cretaceous (Campanian) sediments.
Dinosaur bones and eggs are
among the
fossils recovered from the
formation. The
Tangbian Formation is known...
-
theropods with feathers. For some time, the
formation was
believed to be from the Late Jur****ic–Early
Cretaceous boundary, some 145 mya (million
years ago)...
- The Late
Cretaceous (100.5–66 Ma) is the
younger of two
epochs into
which the
Cretaceous Period is
divided in the
geologic time scale. Rock
strata from...
-
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...
- 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...
