graben
- noun
- /ˈɡræbən/
- Specialized
:
valle de rift
- The grabens are largely bajos (flat depressions) containing wetland ecosystems.
Examples
-
It's surrounded by fractures that form graben.
Academic text (1991) -
The East African rift valleys on Earth are graben, and there are many good examples of graben in Arizona.
Academic text (1991) -
The East African rift valleys on Earth are graben, and there are many good examples of graben in Arizona.
Academic text (1991) -
Sacajawea's graben are concentric rings that record a complicated history of magma withdrawal from below, perhaps accompanied by eruptions on the flanks and the collapse of the central caldera.
Academic text (1991) -
Later activity at the boundary between the Sinai subplate and the Arabian plate caused major upheavals of the seabed; between the two plates, a block of crust sank, forming a valley known as a graben.
Academic text (2003) -
Death Valley is a classic example of a graben, formed by tectonic activity along fault lines.
-
The East African Rift is known for its extensive graben, where large sections of the earth's crust have dropped.
-
As tectonic forces pull apart the landscape, new graben can develop, creating unique geological features.
Synonyms
4
7.0
A long deep valley with steep sides that forms when part of the earth sinks between cracks
How Deep
- Specialized
4
7.0
117
2.5
- Specialized
∞
1.0
8
7.9
44
3.9
Surface Forms
Etymology
In geology, graben comes from the German graben meaning 'to dig', and it describes a long valley like a giant dug trench formed when a block of land drops down between two cracks in the earth.