Cretaceous formation

Definitions

  • Webster's Revised Unabridged Dictionary
    • Cretaceous formation (Geol) the series of strata of various kinds, including beds of chalk, green sand, etc., formed in the Cretaceous period; -- called also the chalk formation. See the Diagram under Geology.
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Usage

In literature:

The GEOLOGY and FOSSILS of the TERTIARY and CRETACEOUS FORMATIONS of SUSSEX.
"Notes and Queries, Number 57, November 30, 1850" by Various
The coal-bearing rocks are confined to the Upper Cretaceous, and almost wholly to the Laramie formation.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6" by Various
Some fossil sea-weeds have been found in the Cretaceous formation, but none, as yet, of large size.
"A Manual of Elementary Geology" by Charles Lyell
These are composed chiefly of Triassic beds, but Jurassic and Cretaceous beds take some share in their formation.
"Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 8" by Various
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In news:

Elk Petroleum's "Nielsen 3-22," True Rig 24, with Pelican Lake in the background, targeting tight gas sands in the Tertiary Wasatch Formation and Cretaceous Mesaverde Group, eastern Uinta Basin, Utah .
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In science:

Wells dinosaur quarry (Cedar Mountain Formation, Lower Cretaceous, Utah).
Aspects of the history, anatomy, taxonomy and palaeobiology of sauropod dinosaurs
Cretaceous: Albian) of the Cedar Mountain Formation, Utah.
Aspects of the history, anatomy, taxonomy and palaeobiology of sauropod dinosaurs
Cedar Mountain Formation (Lower Cretaceous) of eastern Utah, U.S.A.
Aspects of the history, anatomy, taxonomy and palaeobiology of sauropod dinosaurs
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