Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Coal_ball> ?p ?o }
- Coal_ball abstract "A coal ball is a type of concretion, varying in shape from an imperfect sphere to a flat-lying, irregular slab. Coal balls were formed by the early permineralisation of peat by calcite in Carboniferous Period swamps and mires before the peat could become coal. As such, despite not actually being made of coal, the coal ball owes its name to its similar origins as well as its similar shape with actual coal.Coal balls often preserve a remarkable record of the microscopic tissue structure of Carboniferous swamp and mire plants, which would otherwise have been completely destroyed. Their unique preservation of Carboniferous plants makes them valuable to scientists, who cut and peel the coal balls to research the geological past.In 1855, two English scientists, Joseph Dalton Hooker and Edward William Binney, made the first scientific description of coal balls in England, and the initial research on coal balls was carried out in Europe. North American coal balls were discovered and identified in 1922. Coal balls have since been found in other countries, leading to the discovery of hundreds of species and genera.Coal balls may be found in coal seams across North America and Eurasia. North American coal balls are more widespread, both stratigraphically and geologically, than those in Europe. The oldest known coal balls date from the Namurian stage of the Carboniferous; they were found in Germany and on the territory of former Czechoslovakia.".
- Coal_ball thumbnail Coalball.jpg?width=300.
- Coal_ball wikiPageExternalLink c480.pdf.
- Coal_ball wikiPageExternalLink reconstuct9.htm.
- Coal_ball wikiPageExternalLink Phillips.htm.
- Coal_ball wikiPageExternalLink x2.
- Coal_ball wikiPageExternalLink 221.
- Coal_ball wikiPageExternalLink 60Wv0sx12.
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- Coal_ball wikiPageExternalLink 61DXItxK1.
- Coal_ball wikiPageID "34240882".
- Coal_ball wikiPageLength "31422".
- Coal_ball wikiPageOutDegree "119".
- Coal_ball wikiPageRevisionID "682922543".
- Coal_ball wikiPageWikiLink Academic_publishing.
- Coal_ball wikiPageWikiLink Acetone.
- Coal_ball wikiPageWikiLink Adolf_Carl_Noé.
- Coal_ball wikiPageWikiLink American_Association_for_the_Advancement_of_Science.
- Coal_ball wikiPageWikiLink American_Midland_Naturalist.
- Coal_ball wikiPageWikiLink Annals_of_the_Missouri_Botanical_Garden.
- Coal_ball wikiPageWikiLink Anthracite.
- Coal_ball wikiPageWikiLink Appalachian_Mountains.
- Coal_ball wikiPageWikiLink Appalachian_region.
- Coal_ball wikiPageWikiLink Aragonite.
- Coal_ball wikiPageWikiLink Asphalt.
- Coal_ball wikiPageWikiLink Bituminous.
- Coal_ball wikiPageWikiLink Bog.
- Coal_ball wikiPageWikiLink British_Association_for_the_Advancement_of_Science.
- Coal_ball wikiPageWikiLink British_Science_Association.
- Coal_ball wikiPageWikiLink Calcium_carbonate.
- Coal_ball wikiPageWikiLink Cambridge_University_Press.
- Coal_ball wikiPageWikiLink Carbonate.
- Coal_ball wikiPageWikiLink Carboniferous.
- Coal_ball wikiPageWikiLink Category:Articles_created_via_the_Article_Wizard.
- Coal_ball wikiPageWikiLink Category:Carboniferous_geology.
- Coal_ball wikiPageWikiLink Category:Mineralogy.
- Coal_ball wikiPageWikiLink Category:Paleobotany.
- Coal_ball wikiPageWikiLink Category:Paleontology.
- Coal_ball wikiPageWikiLink Cellulose_acetate.
- Coal_ball wikiPageWikiLink Cleveland_Museum_of_Natural_History.
- Coal_ball wikiPageWikiLink Coal.
- Coal_ball wikiPageWikiLink Compression_(physical).
- Coal_ball wikiPageWikiLink Compression_(physics).
- Coal_ball wikiPageWikiLink Concretion.
- Coal_ball wikiPageWikiLink Coniferous.
- Coal_ball wikiPageWikiLink Cornell_University_Press.
- Coal_ball wikiPageWikiLink Crystallography.
- Coal_ball wikiPageWikiLink D._M._S._Watson.
- Coal_ball wikiPageWikiLink David_Meredith_Seares_Watson.
- Coal_ball wikiPageWikiLink Decomposition.
- Coal_ball wikiPageWikiLink Diamond_blade.
- Coal_ball wikiPageWikiLink Diamond_saw.
- Coal_ball wikiPageWikiLink Dolomite.
- Coal_ball wikiPageWikiLink Edward_William_Binney.
- Coal_ball wikiPageWikiLink Ellis_Yochelson.
- Coal_ball wikiPageWikiLink Elsevier.
- Coal_ball wikiPageWikiLink Elsevier_Science_B.V..
- Coal_ball wikiPageWikiLink Eurasia.
- Coal_ball wikiPageWikiLink Evening_Independent.
- Coal_ball wikiPageWikiLink Fossil.
- Coal_ball wikiPageWikiLink Genus.
- Coal_ball wikiPageWikiLink Geological_Society_of_America.
- Coal_ball wikiPageWikiLink Gypsum.
- Coal_ball wikiPageWikiLink Hydrochloric_acid.
- Coal_ball wikiPageWikiLink Illinois_Basin.
- Coal_ball wikiPageWikiLink Illite.
- Coal_ball wikiPageWikiLink In_situ.
- Coal_ball wikiPageWikiLink Iowa.
- Coal_ball wikiPageWikiLink Iron_sulfide.
- Coal_ball wikiPageWikiLink Joseph_Dalton_Hooker.
- Coal_ball wikiPageWikiLink Journal_of_the_Geological_Society.
- Coal_ball wikiPageWikiLink Kaolinite.
- Coal_ball wikiPageWikiLink Lancashire.
- Coal_ball wikiPageWikiLink Leaf.
- Coal_ball wikiPageWikiLink Lepidocrocite.
- Coal_ball wikiPageWikiLink Magnesium_carbonate.
- Coal_ball wikiPageWikiLink Marcasite.
- Coal_ball wikiPageWikiLink Marie_Carmichael_Stopes.
- Coal_ball wikiPageWikiLink Marie_Stopes.
- Coal_ball wikiPageWikiLink Microscope.
- Coal_ball wikiPageWikiLink Namurian.
- Coal_ball wikiPageWikiLink New_York_Botanical_Garden.
- Coal_ball wikiPageWikiLink New_York_Botanical_Garden_Press.
- Coal_ball wikiPageWikiLink Nitric_acid.
- Coal_ball wikiPageWikiLink Oklahoma.
- Coal_ball wikiPageWikiLink Paraffin_wax.
- Coal_ball wikiPageWikiLink Peat_bog.
- Coal_ball wikiPageWikiLink Pennsylvanian_(geology).
- Coal_ball wikiPageWikiLink Pergamon_Press.
- Coal_ball wikiPageWikiLink Permian.
- Coal_ball wikiPageWikiLink Permineralisation.
- Coal_ball wikiPageWikiLink Permineralization.
- Coal_ball wikiPageWikiLink Petrified_wood.
- Coal_ball wikiPageWikiLink Petrographic_microscope.
- Coal_ball wikiPageWikiLink Philosophical_Transactions_of_the_Royal_Society.
- Coal_ball wikiPageWikiLink Pinophyta.
- Coal_ball wikiPageWikiLink Plant_stem.
- Coal_ball wikiPageWikiLink Powder_diffraction.
- Coal_ball wikiPageWikiLink Proceedings_of_the_National_Academy_of_Sciences_of_the_United_States_of_America.