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Chalk

Chalk is a soft, white, porous, sedimentary carbonate rock. It is a form of limestone composed of the mineral calcite and originally formed under the sea by the accumulation and lithification of hard parts of organisms, mostly microscopic plankton, which had settled to the sea floor. Chalk is common throughout Western Europe, where deposits underlie…

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Overview

Description

Formation

Geology and geographic distribution

Mining

Uses

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Map overview Semantic statistics

Chalk

Nodes121
Edges120
Triples99
Avg. degree1.98
Density0.016529
Components1

How this topic connects Entity context

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Chalk

Top relations

related to Further reading · 22
Chalk → Adapted, Archived, County Antrim, December, England, February, Future Worlds, Gordon, Helen, Helen Gordon, How, Journey Through Our Past, June, Landscapes, Northern Ireland, Notes From Deep Time, Portrush, Retrieved, Rock, The
related to Geology and geographic distribution · 20
Chalk → Cap Blanc-Nez, Cretaceous, Cretaceous Period, Denmark, Dover, Dover Strait, England, European, France, Germany, It, Jasmund National Park, Kent, Latin, Møns Klint, Some, The, The Chalk Group, The Champagne, White Cliffs
see also · 16
Chalk → Blackboard, Christian, Graffiti, Limestone, Method, Military, Powder, Powdered-pigment-based, Redddish, Reusable, Rivers, Scottish, Tool, Traditional, Type, Wi-Fi
related to Formation · 10
Chalk → Additionally, Echinoidea, Flint, In, In Western Europe, It, Late Cretaceous Epoch, Palaeocene Epoch, The, This
related to Previous uses · 8
Chalk → Cissbury Ring, England, Grime's Graves, If, In, Norfolk, Such, The
related to Description · 7
Chalk → CaCO3, CaMg, CO3, In, It, The, These
is a · 4
Chalk → lowest cost to produce, only form of limestone that commonly shows signs of compaction.Flint, soft, source of quicklime by thermal decomposition
related to Uses · 4
Chalk → Blackboard, Coloured, Most, While
related to Mining · 1
Chalk → Industrial Revolution

Important terminology Word statistics

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Important terminology

used calcite also limestone carbonate rock england white deposits cretaceous blackboard high formation gypsum form formed mostly flint may mineral

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Chalkis asoft0.90text
Chalkis aonly form of limestone that commonly shows signs of compaction.Flint0.90text
Chalkis alowest cost to produce0.90text
Chalkis asource of quicklime by thermal decomposition0.90text
the Dover cliffs on the Kent coast of the English Channel.Chalk is mined for use in industryinstance ofand steep cliffs are often seen where they meet the sea in places0.80text
such as for quicklimeinstance ofand steep cliffs are often seen where they meet the sea in places0.80text
bricksinstance ofand steep cliffs are often seen where they meet the sea in places0.80text
builder's puttyinstance ofand steep cliffs are often seen where they meet the sea in places0.80text
and in agricultureinstance ofand steep cliffs are often seen where they meet the sea in places0.80text
for raising pH in soils with high acidityinstance ofand steep cliffs are often seen where they meet the sea in places0.80text
Echinoidea which may be silicifiedinstance ofFlint is often deposited around larger fossils0.80text
Chalkrelated to DescriptionIt0.60section

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    Min side: 3
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