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Definitions for "Geosyncline"
Keywords:  downwarp, trough, crust, sediment, sedimentary
Related Terms: Volcanic cone, Stratovolcano, Volcano, Angular unconformity, Cinder cone, Ophiolite, Unconformity, Composite volcano, Basement rock, Cinder cone volcano, Fissure eruption, Flood basalt, Magma, Disconformity, Volcanic, Magma chamber, Volcanic bomb, Lava , Bedrock, Regolith, Breccia, Tephra, Volcanic breccia, Diapir, Batholith, Volcanic neck, Country rock, Extrusive, Basement, Volcanic dome, Effusive eruption, Igneous rock, Strombolian eruption, Extrusive rock, Intrusive, Brecciated, Intrusive rock, Plutonic, Volcanic ash, Tuff, Volcanism, Melange, Volcaniclastic, Caldera, Volcanic rock, Lava flow, Vein, Lapilli, Pillow lava, Igneous
A major trough or downwarp of the Earth's crust, in which great thicknesses of sedimentary and/or volcanic rocks have accumulated.
geology.com
A major downwarp in the Earth's crust, usually more than 1000 kilometers in length, in which sediment accumulate to thicknesses of many kilometers. The sediments may eventually be deformed and metamorphosed during a mountain-building episode.
amateurgeologist.com
continental margin downwarping in the earth's crust that has seen sedimentation and volcanic activity.
canoesaskatchewan.rkc.ca
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Keywords:  geocline, old, term
old term for "geocline".
tc.umn.edu