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The term "paraliageosyncline" is a geological term referring to a specific type of geosyncline. A geosyncline is a linear trough in the Earth's crust where large amounts of sediment accumulate. This accumulation is often followed by folding, crumpling, and faulting of the deposits, eventually leading to the formation of folded mountains.1

A paraliageosyncline is described as a deep geosyncline that extends into coastal plains along continental margins. Another related term, parageosyncline, refers to a geosyncline situated within or next to a craton (a stable part of the continental crust). Parageosynclines are typically less elongated, shallower, and less persistent than orthogeosynclines. While the concept of the geosyncline is largely considered obsolete by modern geologists, who prefer explanations based on plate tectonics, the term itself is still in use.12

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  1. geosyncline
  2. parageosyncline

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