Graben
In geology, a graben () is a depressed block of the crust of a planet or moon, bordered by parallel normal faults. == Etymology == Graben is a loan word from German, meaning "ditch" or "trench," up to large valley like Upper Rhine Graben.
In geology, a graben () is a depressed block of the crust of a planet or moon, bordered by parallel normal faults. == Etymology == Graben is a loan word from German, meaning "ditch" or "trench," up to large valley like Upper Rhine Graben.
In geology, a graben () is a depressed block of the crust of a planet or moon, bordered by parallel normal faults. == Etymology == Graben is a loan word from German, meaning "ditch" or "trench," up to large valley like Upper Rhine Graben.
Source: Wikipedia "Graben" · CC BY-SA 4.0
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