Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Chalk> ?p ?o }
- Chalk abstract "Chalk /ˈtʃɔːk/ is a soft, white, porous sedimentary carbonate rock, a form of limestone composed of the mineral calcite. Calcite is calcium carbonate or CaCO3. It forms under reasonably deep marine conditions from the gradual accumulation of minute calcite shells (coccoliths) shed from micro-organisms called coccolithophores. Flint (a type of chert unique to chalk) is very common as bands parallel to the bedding or as nodules embedded in chalk. It is probably derived from sponge spicules or other siliceous organisms as water is expelled upwards during compaction. Flint is often deposited around larger fossils such as Echinoidea which may be silicified (i.e. replaced molecule by molecule by flint).Chalk as seen in Cretaceous deposits of Western Europe is unusual among sedimentary limestones in the thickness of the beds. Most cliffs of chalk have very few obvious bedding planes unlike most thick sequences of limestone such as the Carboniferous Limestone or the Jurassic oolitic limestones. This presumably indicates very stable conditions over tens of millions of years.Chalk has greater resistance to weathering and slumping than the clays with which it is usually associated, thus forming tall steep cliffs where chalk ridges meet the sea. Chalk hills, known as chalk downland, usually form where bands of chalk reach the surface at an angle, so forming a scarp slope. Because chalk is well jointed it can hold a large volume of ground water, providing a natural reservoir that releases water slowly through dry seasons.".
- Chalk thumbnail The_Needles.jpg?width=300.
- Chalk wikiPageExternalLink chalk.htm.
- Chalk wikiPageExternalLink Landscapes_WhiteRocks.html.
- Chalk wikiPageExternalLink chalk.htm.
- Chalk wikiPageID "44734".
- Chalk wikiPageLength "9356".
- Chalk wikiPageOutDegree "102".
- Chalk wikiPageRevisionID "682131872".
- Chalk wikiPageWikiLink Abrasive.
- Chalk wikiPageWikiLink Acid.
- Chalk wikiPageWikiLink Acidity.
- Chalk wikiPageWikiLink Agriculture.
- Chalk wikiPageWikiLink Antacid.
- Chalk wikiPageWikiLink Ashlar.
- Chalk wikiPageWikiLink Base_(chemistry).
- Chalk wikiPageWikiLink Bell_pit.
- Chalk wikiPageWikiLink Blackboard.
- Chalk wikiPageWikiLink Brick.
- Chalk wikiPageWikiLink Calcite.
- Chalk wikiPageWikiLink Calcium_carbonate.
- Chalk wikiPageWikiLink Calcium_hydroxide.
- Chalk wikiPageWikiLink Calcium_oxide.
- Chalk wikiPageWikiLink Calcium_sulfate.
- Chalk wikiPageWikiLink Cap_Blanc_Nez.
- Chalk wikiPageWikiLink Carbonate_rock.
- Chalk wikiPageWikiLink Category:Alchemical_substances.
- Chalk wikiPageWikiLink Category:Chalk.
- Chalk wikiPageWikiLink Category:Limestone.
- Chalk wikiPageWikiLink Category:Sedimentary_rocks.
- Chalk wikiPageWikiLink Category:Sewing_equipment.
- Chalk wikiPageWikiLink Chalk_Group.
- Chalk wikiPageWikiLink Chalk_carving.
- Chalk wikiPageWikiLink Chalk_line.
- Chalk wikiPageWikiLink Champagne_(wine_region).
- Chalk wikiPageWikiLink Champagne_region.
- Chalk wikiPageWikiLink Cissbury.
- Chalk wikiPageWikiLink Clay.
- Chalk wikiPageWikiLink Clay_minerals.
- Chalk wikiPageWikiLink Cliff.
- Chalk wikiPageWikiLink Clunch.
- Chalk wikiPageWikiLink Coccolith.
- Chalk wikiPageWikiLink Coccolithophore.
- Chalk wikiPageWikiLink Coccolithophores.
- Chalk wikiPageWikiLink Coccoliths.
- Chalk wikiPageWikiLink Cretaceous.
- Chalk wikiPageWikiLink Denehole.
- Chalk wikiPageWikiLink Denmark.
- Chalk wikiPageWikiLink Diagenesis.
- Chalk wikiPageWikiLink Dover_Strait.
- Chalk wikiPageWikiLink Downland.
- Chalk wikiPageWikiLink Driveway.
- Chalk wikiPageWikiLink Escarpment.
- Chalk wikiPageWikiLink Europe.
- Chalk wikiPageWikiLink Fingerprint_powder.
- Chalk wikiPageWikiLink Flint.
- Chalk wikiPageWikiLink French_chalk.
- Chalk wikiPageWikiLink Germany.
- Chalk wikiPageWikiLink Grimes_Graves.
- Chalk wikiPageWikiLink Ground_water.
- Chalk wikiPageWikiLink Groundwater.
- Chalk wikiPageWikiLink Gymnastics.
- Chalk wikiPageWikiLink Gypsum.
- Chalk wikiPageWikiLink Hill.
- Chalk wikiPageWikiLink Hill_figure.
- Chalk wikiPageWikiLink Isle_of_Wight.
- Chalk wikiPageWikiLink Jasmund_National_Park.
- Chalk wikiPageWikiLink Kent.
- Chalk wikiPageWikiLink Limestone.
- Chalk wikiPageWikiLink Linseed_oil.
- Chalk wikiPageWikiLink List_of_types_of_limestone.
- Chalk wikiPageWikiLink Magnesium_carbonate.
- Chalk wikiPageWikiLink Magnesium_silicate.
- Chalk wikiPageWikiLink Mineral.
- Chalk wikiPageWikiLink Møns_Klint.
- Chalk wikiPageWikiLink Nodule_(geology).
- Chalk wikiPageWikiLink Norfolk.
- Chalk wikiPageWikiLink Olympic_weightlifting.
- Chalk wikiPageWikiLink PH.
- Chalk wikiPageWikiLink Pastel.
- Chalk wikiPageWikiLink Putty.
- Chalk wikiPageWikiLink Quenching.
- Chalk wikiPageWikiLink Quicklime.
- Chalk wikiPageWikiLink Rock-climbing.
- Chalk wikiPageWikiLink Rock_climbing.
- Chalk wikiPageWikiLink Sanguine.
- Chalk wikiPageWikiLink Sedimentary_rock.
- Chalk wikiPageWikiLink Sidewalk.
- Chalk wikiPageWikiLink Sidewalk_chalk.
- Chalk wikiPageWikiLink Silt.
- Chalk wikiPageWikiLink Slaked_lime.
- Chalk wikiPageWikiLink Southern_England_Chalk_Formation.
- Chalk wikiPageWikiLink Stone_tool.
- Chalk wikiPageWikiLink Storage_of_wine.
- Chalk wikiPageWikiLink Strait_of_Dover.
- Chalk wikiPageWikiLink Talc.
- Chalk wikiPageWikiLink Tennis.
- Chalk wikiPageWikiLink The_Needles.
- Chalk wikiPageWikiLink Thermal_decomposition.
- Chalk wikiPageWikiLink Titanium_dioxide.