normal fault


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normal fault

normal fault

n.
A geologic fault in which the hanging wall has moved downward relative to the footwall.

nor·mal fault

(nôr′məl)
A geologic fault in which the hanging wall has moved downward relative to the footwall. Normal faults occur where two blocks of rock are pulled apart, as by tension. See more at fault.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.normal fault - an inclined fault in which the hanging wall appears to have slipped downward relative to the footwallnormal fault - an inclined fault in which the hanging wall appears to have slipped downward relative to the footwall
inclined fault - a geological fault in which one side is above the other
References in periodicals archive ?
3D] numerical simulation method, the characteristics of mining stress evolution, fault activation patterns, and fault energy evolution characteristics are simulated and analyzed in the process of the footwall and hanging wall working face heading to a normal fault.
The structures related to salt intrusions include the development of normal fault in the vicinity of Kalabagh Hills that are believed to be gravitational collapse caused by the flowage and upsection migration of Precambrian Salt Range Formation.
The structural trap is a three way dip closure against a north-south normal fault plane at 1,426 mMD (-954m TVDSS) and covering a surface area of 12 sq.
The structural trap is a 3-way dip closure against a north-south normal fault plane at 1,426 mMD (-954m TVDSS) and covering a surface area of 12 sq.
Subsequently transtensive stage begin and dextral strike-slip faults start to develop, using previously formed normal fault planes, and also Riedel and normal faults appeared.
This defined the geometry of a large tilted fault block closed by a major normal fault.
This depressed zone lies between the bounding normal fault and rim zone, an uplifted area that surrounds the inner crater.
At the northern limb of Sierra Tejeda is located the Zafarraya fault, a high-angle northwards dipping normal fault, which produces the development of a half graben in its hanging wall filled by Miocene-to-Quaternary sediments.
Have students draw the normal fault as represented by the model they have just constructed.
Officials of the institute, however, ruled out the possibility that these crust movements suggest a new rise of magma near Miyakejima, citing a lack of normal fault movements indicating rising magma in the area.
A later normal fault trend with displacements of similar magnitude was noted.
In 1996, both British and US expeditions to the slow-spreading Mid-Atlantic Ridge found remarkable seafloor edifices, each of which appears to have originated by long-lived slip on an individual normal fault.