Deformation bands (original) (raw)
Deformation bands are small faults with very small displacements. In the past, these bands have been called Luder's bands or braided shear fractures. They often precede large faults. They develop in porous rocks, such as sandstone. Material in a deformation band has a much smaller grain size, poorer sorting, and a lower porosity than the original sandstone. They can restrict and/or change the flow of fluids like water and oil. They are common in the Colorado Plateau, where examples occur in the Entrada Sandstone in the San Rafael Swell in Utah.
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| dbo:abstract | Deformation bands are small faults with very small displacements. In the past, these bands have been called Luder's bands or braided shear fractures. They often precede large faults. They develop in porous rocks, such as sandstone. Material in a deformation band has a much smaller grain size, poorer sorting, and a lower porosity than the original sandstone. They can restrict and/or change the flow of fluids like water and oil. They are common in the Colorado Plateau, where examples occur in the Entrada Sandstone in the San Rafael Swell in Utah. Deformation bands are present in a variety of porous rock types such as sandstones, limestones, siltstones, poorly welded volcanic tuffs, and breccias. The cataclastic and compactional bands often form seals and prevent the flow of groundwater or oil. In their formation grains shift their packing and are crushed. The Mars Reconnaissance Orbiter showed deformation bands in Capen Crater, located in the Arabia quadrangle. The bands represent failure by localized frictional sliding. (en) |
| dbo:thumbnail | wiki-commons:Special:FilePath/Deformation_Bands_on_Mars.jpg?width=300 |
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| dbo:wikiPageLength | 2326 (xsd:nonNegativeInteger) |
| dbo:wikiPageRevisionID | 1106220553 (xsd:integer) |
| dbo:wikiPageWikiLink | dbr:San_Rafael_Swell dbr:Petroleum dbr:Utah dbr:Limestone dbr:Colorado_Plateau dbr:Entrada_Sandstone dbr:Arabia_quadrangle dbr:Fault_(geology) dbr:Tuff dbc:Structural_geology dbr:Breccia dbr:Siltstone dbr:Mars_Reconnaissance_Orbiter dbr:Groundwater dbr:Sandstone dbr:Porosity dbr:Cataclastic dbr:File:Deformation_Bands_on_Mars.jpg |
| dbp:wikiPageUsesTemplate | dbt:Geology-stub dbt:Reflist dbt:Mars-stub |
| dcterms:subject | dbc:Structural_geology |
| gold:hypernym | dbr:Faults |
| rdfs:comment | Deformation bands are small faults with very small displacements. In the past, these bands have been called Luder's bands or braided shear fractures. They often precede large faults. They develop in porous rocks, such as sandstone. Material in a deformation band has a much smaller grain size, poorer sorting, and a lower porosity than the original sandstone. They can restrict and/or change the flow of fluids like water and oil. They are common in the Colorado Plateau, where examples occur in the Entrada Sandstone in the San Rafael Swell in Utah. (en) |
| rdfs:label | Deformation bands (en) |
| owl:sameAs | freebase:Deformation bands wikidata:Deformation bands https://global.dbpedia.org/id/4iapU |
| prov:wasDerivedFrom | wikipedia-en:Deformation_bands?oldid=1106220553&ns=0 |
| foaf:depiction | wiki-commons:Special:FilePath/Deformation_Bands_on_Mars.jpg |
| foaf:isPrimaryTopicOf | wikipedia-en:Deformation_bands |
| is dbo:wikiPageRedirects of | dbr:Deformation_Bands |
| is dbo:wikiPageWikiLink of | dbr:Portevin–Le_Chatelier_effect dbr:Geology_of_Alderley_Edge dbr:Arabia_quadrangle dbr:TaskForceMajella dbr:Deformation_Bands |
| is foaf:primaryTopic of | wikipedia-en:Deformation_bands |
