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- Laccolith abstract "A laccolith is a sheet intrusion (or concordant pluton) that has been injected between two layers of sedimentary rock. The pressure of the magma is high enough that the overlying strata are forced upward, giving the laccolith a dome or mushroom-like form with a generally planar base.Laccoliths tend to form at relatively shallow depths and are typically formed by relatively viscous magmas, such as those that crystallize to diorite, granodiorite, and granite. Cooling underground takes place slowly, giving time for larger crystals to form in the cooling magma. The surface rock above laccoliths often erodes away completely, leaving the core mound of igneous rock. The term was first applied as laccolite by Grove Karl Gilbert after his study of intrusions of diorite in the Henry Mountains of Utah in about 1875.The Torres del Paine (Patagonia) magma chamber is one of the best exposed laccolith, built up incrementally by horizontal granitic and mafic magma intrusions over 162 ± 11 thousand years. Horizontal sheeted intrusions were fed by vertical intrusions.It is often difficult to reconstruct shapes of intrusions. For instance, Devils Tower in Wyoming was thought to be a volcanic neck, but study has revealed it to be an eroded laccolith. The rock would have had to cool very slowly so as to form the slender pencil-shaped columns of phonolite porphyry seen today. However, erosion has stripped away the overlying and surrounding rock, and so it is impossible to reconstruct the original shape of the igneous intrusion; that rock may not be the remnant of a laccolith. At other localities, such as in the Henry Mountains and other isolated mountain ranges of the Colorado Plateau, some intrusions demonstrably have shapes of laccoliths. The small Barber Hill syenite-stock laccolith in Charlotte, Vermont, has several volcanic trachyte dikes associated with it. Molybdenite is also visible in outcrops on this exposed laccolith. In Big Bend Ranch State Park, at the southwesternmost visible extent of the Ouachita orogeny, lies the Solitario. It consists of the eroded remains of a laccolith, presumably named for the sense of solitude that observers within the structure might have, due to the partial illusion of endless expanse in all directions.One of the largest laccoliths in the United States is Pine Valley Mountain in the Pine Valley Mountain Wilderness area near St. George, UtahThere are many examples of possible laccoliths on the surface of the Moon. These igneous features may be confused with impact cratering.".
- Laccolith thumbnail Laccolith.svg?width=300.
- Laccolith wikiPageExternalLink B2158.pdf.
- Laccolith wikiPageID "1102649".
- Laccolith wikiPageLength "5178".
- Laccolith wikiPageOutDegree "48".
- Laccolith wikiPageRevisionID "683656730".
- Laccolith wikiPageWikiLink Barber_Hill.
- Laccolith wikiPageWikiLink Batholith.
- Laccolith wikiPageWikiLink Big_Bend_Ranch_State_Park_(Texas).
- Laccolith wikiPageWikiLink Category:Geologic_domes.
- Laccolith wikiPageWikiLink Category:Igneous_rocks.
- Laccolith wikiPageWikiLink Category:Petrology.
- Laccolith wikiPageWikiLink Category:Sheet_intrusions.
- Laccolith wikiPageWikiLink Charlotte,_Vermont.
- Laccolith wikiPageWikiLink Colorado_Plateau.
- Laccolith wikiPageWikiLink Cordillera_Paine.
- Laccolith wikiPageWikiLink Devils_Tower.
- Laccolith wikiPageWikiLink Dike_(geology).
- Laccolith wikiPageWikiLink Diorite.
- Laccolith wikiPageWikiLink Granite.
- Laccolith wikiPageWikiLink Granodiorite.
- Laccolith wikiPageWikiLink Grove_Karl_Gilbert.
- Laccolith wikiPageWikiLink Henry_Mountains.
- Laccolith wikiPageWikiLink Igneous_rock.
- Laccolith wikiPageWikiLink Illusion.
- Laccolith wikiPageWikiLink Impact_crater.
- Laccolith wikiPageWikiLink Lopolith.
- Laccolith wikiPageWikiLink Magma.
- Laccolith wikiPageWikiLink Molybdenite.
- Laccolith wikiPageWikiLink Moon.
- Laccolith wikiPageWikiLink Ouachita_orogeny.
- Laccolith wikiPageWikiLink Phonolite.
- Laccolith wikiPageWikiLink Pine_Valley_Mountain_Wilderness.
- Laccolith wikiPageWikiLink Pingo.
- Laccolith wikiPageWikiLink Pluton.
- Laccolith wikiPageWikiLink Porphyry_(geology).
- Laccolith wikiPageWikiLink Rock_(geology).
- Laccolith wikiPageWikiLink Sedimentary_rock.
- Laccolith wikiPageWikiLink Sheet_intrusion.
- Laccolith wikiPageWikiLink Sill_(geology).
- Laccolith wikiPageWikiLink Solitario.
- Laccolith wikiPageWikiLink Solitude.
- Laccolith wikiPageWikiLink St._George,_Utah.
- Laccolith wikiPageWikiLink Stock_(geology).
- Laccolith wikiPageWikiLink Syenite.
- Laccolith wikiPageWikiLink Torres_del_Paine.
- Laccolith wikiPageWikiLink Trachyte.
- Laccolith wikiPageWikiLink Utah.
- Laccolith wikiPageWikiLink Viscosity.
- Laccolith wikiPageWikiLink Viscous.
- Laccolith wikiPageWikiLink Wyoming.
- Laccolith wikiPageWikiLink File:Laccolith.svg.
- Laccolith wikiPageWikiLink File:Laccolith_Montana.jpg.
- Laccolith wikiPageWikiLink File:NotchPeak.jpg.
- Laccolith wikiPageWikiLinkText "Laccolith".
- Laccolith wikiPageWikiLinkText "granite intrusion".
- Laccolith wikiPageWikiLinkText "laccolith".
- Laccolith hasPhotoCollection Laccolith.
- Laccolith wikiPageUsesTemplate Template:For.
- Laccolith wikiPageUsesTemplate Template:Reflist.
- Laccolith subject Category:Geologic_domes.
- Laccolith subject Category:Igneous_rocks.
- Laccolith subject Category:Petrology.
- Laccolith subject Category:Sheet_intrusions.
- Laccolith hypernym Intrusion.
- Laccolith type Mountain.
- Laccolith type Subfield.
- Laccolith comment "A laccolith is a sheet intrusion (or concordant pluton) that has been injected between two layers of sedimentary rock. The pressure of the magma is high enough that the overlying strata are forced upward, giving the laccolith a dome or mushroom-like form with a generally planar base.Laccoliths tend to form at relatively shallow depths and are typically formed by relatively viscous magmas, such as those that crystallize to diorite, granodiorite, and granite.".
- Laccolith label "Laccolith".
- Laccolith sameAs Лаколит.
- Laccolith sameAs Lakolit.
- Laccolith sameAs Lakkolith.
- Laccolith sameAs Lacolito.
- Laccolith sameAs کوژسنگ.
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- Laccolith sameAs Laccolite.
- Laccolith sameAs לקולית.
- Laccolith sameAs Lakkolit.
- Laccolith sameAs Լակոլիթ.
- Laccolith sameAs Laccolite.
- Laccolith sameAs ლაკოლითი.
- Laccolith sameAs Лакколит.
- Laccolith sameAs Lakolitas.
- Laccolith sameAs Laccoliet.
- Laccolith sameAs Lakkolitt.
- Laccolith sameAs Lakkolit.
- Laccolith sameAs Lacólito.
- Laccolith sameAs m.046585.
- Laccolith sameAs Лакколит.
- Laccolith sameAs Lakolit.
- Laccolith sameAs Lakolit.
- Laccolith sameAs Lakkolit.
- Laccolith sameAs Lakolit.
- Laccolith sameAs Лаколіт.
- Laccolith sameAs Lakkolit.
- Laccolith sameAs Q522464.
- Laccolith sameAs Q522464.
- Laccolith wasDerivedFrom Laccolith?oldid=683656730.
- Laccolith depiction Laccolith.svg.