graben


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Related to graben: rift valley

graben

(grah -ben) An elongated depression of land between two faults. Lunar graben are usually 1–2 km wide and may be hundreds of kilometers in length.

Graben

 

a portion of the earth’s crust that is sunken relative to surrounding areas along steep, often vertical fractures, usually faults. The largest system of graben in the world is found in East Africa (Great Rift Valley). In Western Europe the largest graben is the valley of the Rhine River. Grabens on a planetary scale are called rifts. Grabens with additional fractures at their edges, which form a series of steps, are called complex grabens.

graben

[′grä·bən]
(geology)
A block of the earth's crust, generally with a length much greater than its width, that has dropped relative to the blocks on either side.
References in periodicals archive ?
"We help small businesses learn how to win those kinds of grants with federal agencies and prime contractors," Graben said.
The stretching and movement of the crust due to volcanic activity cause a pair of faults to drop down into grabens, which are several kilometers wide and a few hundred meters deep.
4) crosses latitudinally the Fore-Sudetic Block with the Paczkow Graben, Zlote and Bardo Mountains with the Laskowka Depression.
The scientists'measurements also showed that the bottoms of the troughs on Vesta are relatively flat and slanted toward what's probably a dominant fault, much as they are in Earth-bound graben.
3D) consisting of graben and horst blocks in the upper part of the scarp and a double monocline with the crestal sectors affected by subvertical and oversteepened normal faults (Gutierrez et al., 2009b).
The Mesaha Graben concession is one of the largest concession areas in Egypt at 57,000km2 and has the potential to host large oil fields in excess of 100 million barrels of oil.
Le graben de Temiscamingue est situe le long de la frontiere entre le Quebec et l'Ontario, au sein de la Zone sismique de l'Ouest du Quebec--une zone notable de plus grande activite sismique intracratonique de l'est du Canada.
Dengo (1978) en la resena sobre el marco tectonico de la region del Caribe, indica que aun quedan aspectos que resolver con respecto a los fenomenos intraplaca, resaltando dentro de estos, la formacion del graben de la Ciudad de Guatemala.
Palabras clave: Orogenesis, Graben. Paleo-lacustre, terraza lacustre, modelado multiconvexo.
The estate has also released three new vintages of its Riesling Classic 2004 ($16.99 for 750 ml bottle), Wehlener Sonnenuhr Riesling-Kabinett 2004 ($19) and Bernkasteler Graben Riesling-Spatlese 2004 ($26).
!PARA QUE NO GRABEN NUESTRA CONVERSACION LOS CHICOS DEL CHARRO DEL "SOSPECHOSISMO" Y DE CORAZON AZULITO!
Malazi studied data showing a narrow but deep graben with a thicker sedimentary basin than originally thought.