A elongated block of the Earth's crust that has dropped down relative to the land on either side of it, bounded by parallel normal faults, forming a trough-like depression under regional tensional stress. A graben is the structural building block of most rift valleys, which are essentially very large grabens developed at the scale of a continental plate boundary.
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Source Graben (Wikipedia)
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Graben (Wikipedia)
Shaped By: Faulting, LeadQuote, Shaped By: Faulting, Lead
A graben () in geology is a depressed block of the crust of a planet or moon, bordered by parallel normal faults.
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