Adjective:

சீமைச் சுண்ணாம்புத் தன்மை உடைய,

cretaceous's Usage Examples:

Marsh, by finding the imperfect fossilized tibia of a bird in the middle cretaceous shale of Kansas, Marsh, began a series of wonderful discoveries of great im portance to ornithology.

Schraufite is a reddish resin from the Carpathian sandstone, and it occurs with jet in the cretaceous rocks of the Lebanon; ambrite is a resin found in many of the coals of New Zealand; retinite occurs in the lignite of Bovey Tracey in Devonshire and elsewhere; whilst copaline has been found in the London clay of Highgate in North London.

there are many sandy districts in the uplands, also sandy clays; in the " second bottoms " of the streams fertile sandy loams; abundant tertiary marls in the north-central region; some gypsum in the cretaceous " islands "; and some fossiliferous marls with decomposed limestones.

Peter Harries Partial index: Re: Supernova causing P/T boundry mass extinctions?At present there are two theories popular with paleontologists who are interested in the end cretaceous extinctions.

Level for level, the more ancient rocks are on the eastward side of the lake: the cretaceous limestones that surmount the older volcanic substrata come down on the western side to the water's edge, while on the eastern side they are raised between 3000 and 4000 feet above it.

Below the cretaceous Tertiary escarpment, the low ground is underlain by soft sedimentary rocks of the Triassic Mercia Mudstone Group.

Synonyms:

Cretaceous period, Mesozoic era, Age of Reptiles, Mesozoic,

Antonyms:

None