The Chalk Group (often just called the Chalk) is the lithostratigraphic unit (a certain number of rock strata) which contains the Upper Cretaceous limestone...

Chalk is a soft, white, porous, sedimentary carbonate rock. It is a form of limestone composed of the mineral calcite and originally formed deep under...

to: The Chalk Group, a stratigraphic unit in northwest Europe. The Chalk country, a region of Discworld Blackboard chalk and sidewalk chalk, a material...

Downs. Similar chalk hills are also found further north in Lincolnshire and Yorkshire where they are known as the Wolds. The Chalk Group is a sequence...

order offences. Chalk also prosecuted a group of radical Sunni Muslims who were jailed for attacking a group of Shi'ite Muslims. Chalk prosecuted serious...

In military terminology, a chalk is a group of paratroopers or other soldiers that deploy from a single aircraft. A chalk often corresponds to a platoon-sized...

this formation within the Chalk Group is called the West Melbury Marly Chalk Formation. The Channel Tunnel was bored through Chalk Marl for its entire length...

the band of Cretaceous chalk that runs from the south-west to the north-east of the county and forms part of the Chalk Group that underlies much of the...

of Wight monocline, the cause of the steeply-dipping outcrops of the Chalk Group and overlying Paleogene strata seen at The Needles, Alum Bay and Whitecliff...

of the North Sea. Chalk is not easily consolidated and the Chalk Group still consists of loose sediments in many places. The group also has other limestones...

Calabash chalk is a geophagic material popularly consumed in West African countries for pleasure, and by pregnant women as a cure for nausea. Geophagia...

upper (late) Cretaceous are the various formations which comprise the Chalk Group and give rise to the county's downlands. Overlying these rocks are the...

system of chalk downlands throughout eastern and southern England, formed between 65 and 95 million years ago, comprising rocks of the Chalk Group; this also...

White Chalk is the seventh studio album by English singer-songwriter and musician PJ Harvey, released on 24 September 2007 on Island Records. Work on...

Sidewalk chalk is typically large and thick sticks of chalk (calcium sulfate, gypsum, rather than calcium carbonate, rock chalk) that come in multiple...

downlands throughout eastern and southern England formed by the rocks of the Chalk Group and largely lies within the county of Wiltshire, but stretches into Hampshire...

Nodular Chalk Formation, overlain successively by the New Pit Chalk, Lewes Nodular Chalk, Seaford Chalk, Newhaven Chalk, Culver Chalk and Portsdown Chalk formations...

the sea. The hills are part of a system of chalk downlands in southern England formed from the Chalk Group which also includes Salisbury Plain and the...

The Austin Chalk is an upper Cretaceous geologic formation in the Gulf Coast region of the United States. It is named after type section outcrops near...

chalk is part of a system of chalk downlands throughout eastern and southern England formed by the rocks of the Chalk Group and stretching from the Dorset...

to become consolidated into chalk. British chalk deposits are considered stratigraphically to belong in the Chalk Group. Due to the Alpine orogeny, a...

limestones. Lithostratigraphically, the Rügen chalk belongs to the Hemmoor Formation of the Chalk Group and is formally defined as the Rügen Member within...

ChalkZone is an American animated television series created by Bill Burnett and Larry Huber for Nickelodeon. The series follows Rudy Tabootie, an elementary...

Chalk streams are rivers that rise from springs in landscapes with chalk bedrock. Since chalk is permeable, water percolates easily through the ground...

The Demopolis Chalk is a geological formation in North America, within the U.S. states of Alabama, Mississippi, and Tennessee. The chalk was formed by...

Chalk is a village and since 1935 a former civil parish which adjoins the east of Gravesend, in the Gravesham district, in the county of Kent, England...

Chalk River Laboratories (French: Laboratoires de Chalk River; also known as CRL, Chalk River Labs and formerly Chalk River Nuclear Laboratories, CRNL)...

top): Culver Chalk Formation Spetisbury Chalk Member Tarrant Chalk Member Newhaven Chalk Formation Seaford Chalk Formation Lewes Nodular Chalk Formation...

the Isle of Wight where it is known as Blue Slipper. Gault underlies the chalk beneath the London Basin, generally overlying eroded rocks of Jurassic and...

It lies unconformably on the Late Cretaceous Chalk Group. It unconformably underlies the Lambeth Group, generally the Upnor Formation but in Essex it...