Upper Cretaceous

The Park is in the exceptionally dramatic scenery of the Alberta badlands and covers Upper Cretaceous fossil beds containing some of the most important dinosaur fossil discoveries ever made, numbering some 60 dinosaur species about 75 million years old, of unmatched quantity, variety and quality.

Dinosaur Provincial Park, Canada 2009

During the Upper Cretaceous period 75 million years ago, eastern Alberta was a low coastal plain at the edge of the shallow Bearpaw Sea.

Dinosaur Provincial Park, Canada 2009

All of the rocks exposed in the Chaco Canyon are sedimentary in origin, ranging in age from the Allison member of the Mesaverde group, through the Chacra sandstone member, to the Lewis shale — all belonging to the Upper Cretaceous.

Tseh So, a Small House Ruin, Chaco Canyon, New Mexico : 1937

Secondary, or Mesozoic, times, palms and some other monocotyledons appeared; but not till the Upper Cretaceous era do we meet with the principal classes and orders of the vegetable kingdom as now known.

The World's Greatest Books — Volume 15 — Science Various 1909

In the Northern world they survived until the Comanchic or Lower Cretaceous Period, but in the southern continents they may have lived on into the Upper Cretaceous or true Cretacic.

Dinosaurs With Special Reference to the American Museum Collections William Diller Matthew 1900

In the Upper Cretaceous there was an exuberant "radiation" of mammals, adaptive to the conquest of all sorts of haunts, and this was vigorously continued in Tertiary times.

The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told J. Arthur Thomson 1897

Section of the Weald of Kent, _a, a_, Upper Cretaceous strata, chiefly Chalk, forming the North and South Downs; _b, b_, Escarpment of

The Beauties of Nature and the Wonders of the World We Live In John Lubbock 1873

India, they would be found to extend through an unusual thickness of strata -- say from the Upper Cretaceous to its lowest bed, or the

More Letters of Charles Darwin — Volume 1 Charles Darwin 1845

The investigated region is located about 1000 km northwest of the Chicxulub impact crater and is well known among geologic scientists for its exceptionally complete preservation of Upper Cretaceous sediments

European Tribune European Tribune 2010

A new skeletal remain of the durophagous shark, Ptychodus mortoni, from the Upper Cretaceous of North America: an indication of gigantic body size TrackBacks

ScienceBlogs Channel : Life Science 2010