MetaGlossary.com: Disconformity

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Keywords: Unconformity, Erosion, Strata, Nondeposition, Concordant

Related Terms: Bed, Breccia, Brecciated, Extrusive, Intrusive, Laccolith, Lava , Magma, Melange, Outcrop, Plutonic, Unconformable, Unconformity, Vein, Volcanic, Volcanic Neck, Volcano, Tephra, Bedrock, Igneous Rock, Cinder Cone, Composite Volcano, Angular Unconformity, Volcanic Bomb, Volcanic Breccia, Volcanic Cone, Volcanic Dome, Ophiolite, Volcanism, Nonconformity, Regolith, Basement, Cinder Cone Volcano, Bedding Plane, Lava Dome, Lava Flow, Diapir, Clast, Stratovolcano, Fissure Eruption, Extrusive Rock, Dome , Magma Chamber, Volcanic Rock, Geosyncline, Effusive Eruption, Pyroclastic Rock, Basement Rock, Volcaniclastic, Strombolian Eruption

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A nonconformity in which beds above and below are parallel.

http://imnh.isu.edu/digitalatlas/glossary/letter.asp?letter=D

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An unconformity marked by a distinct erosion-produced, irregular, uneven surface of appreciable relief between parallel strata below and above the break; sometimes represents a considerable interval of nondeposition.

http://www.isgs.uiuc.edu/glossary.htm

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a break in sedimentation with erosion with no deformation so that the upper beds are parallel to the lower

http://ruby.colorado.edu/~smyth/G1010-10.html

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a buried surface of erosion that represents in succession (1) deposition of strata, (2) erosion of some of the strata, and (3) deposition of additional strata.

http://www.lib.utexas.edu/geo/ggtc/gloss.html

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an unconformity in which the beds above and below an erosion surface are concordant.

http://www.scvresources.com/geology/geo-glossary.htm

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An unconformity parallel to the two sedimentary sequences it separates.

http://www.wwnorton.com/internal/earth2/glossary/d.htm

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