How To Use Normal fault In A Sentence
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This basin is emphasized by normal fault scarps that face the river from its SW bank.
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The low - angle normal faults are subparallel to the subjacent subduction thrusts.
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As for the mesoscale normal faults inside the Fault Zone, they cannot be considered as classical brittle planar normal fault planes downwarping a hanging wall relative to a footwall along a single discrete plane.
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It indicated that normal faulting processes induced from the shear of dextral strike-slip faults are active in the historically subsiding Tainan basin.
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In addition, large-scale isoclinal folds and normal faults with throws exceeding 10m locally occur.
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Recent studies proposed that the Cretan detachment is a shallowly north-dipping normal fault, which formed subparallel to the subjacent subduction thrust in the Early Miocene.
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The current morphology of the coastal terraces suggests that oblique-slip thrust movements have recently exceeded oblique-slip normal fault movements.
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As much as 1.3 km of sediment were eroded on the footwall blocks of normal faults at that time.
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A normal fault with a hade of 50 degrees, the original fault scarp worn away, showing cliffs caused by harder strata on the downthrow side.
The Elements of Geology
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Massive dolomite and dolomitic breccias are separated by a normal fault from the upper part of the sequence.
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The eastern and southeastern margins of the basin are marked by a major normal fault system comprising the Mochras, Tonfanau and BaIa faults, which downthrows the Cardigan Bay Basin against the Lower Palaeozoic Welsh Massif.
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Development of pillow breccia probably occurred along the scarps of normal faults in this extensional setting.
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Both thrust and normal faults initiated synchronously with Miocene prograde metamorphism and melting, and have moved episodically since then.
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The contact between the Tertiary sedimentary sequence and the Samail ophiolite on the Batinah coastal plain is in many places a WNW-striking normal fault, downthrown toward the Gulf of Oman.
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The field evidence includes the presence of several longitudinal extensional folds such as a rollover anticline and drag folds that are related to normal faults in the area.
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Normal faults, of which Figure 184 is an example, hade to the downthrow; the hanging wall has gone down.
The Elements of Geology
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So Dominique and Hannelore excavated a trench perpendicular to the eastern part of the NW necropolis, which is interpreted as a degraded active normal fault plane.
Interactive Dig Sagalassos 2003 - Seismological Studies Report 1
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We interpret this pattern as a Mesozoic normal fault zone whose inversion gave rise, along strike to the NW, to the south Cameros thrust.
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Further detailed studies are required to distinguish Palaeozoic structures such as thrusts, normal faults and sutures that were reactivated in Mesozoic-Cenozoic time.
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In addition, large-scale isoclinal folds and normal faults with throws exceeding 10m locally occur.
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Analysis of petrophysical properties measured on horizontal profiles across a normal fault indicated horizontal compactional strain and layer-parallel shortening associated with faulting.
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The sedimentary record in the Taranaki Basin indicates that during the Late Cretaceous to Early Tertiary, the Cape Egmont and Manaia Fault Zones behaved as normal faults downthrowing to the east.
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Both thrust and normal faults initiated synchronously with Miocene prograde metamorphism and melting, and have moved episodically since then.
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It is now commonly accepted that the dip of the steeper part of a listric normal fault is approximately 60 deg.
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Thus the Coastal Ranges take on the appearance of an uplifted horst, bounded, particularly to the east, by normal faults.
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Normal faulting led to the unroofing of metamorphic rocks in their footwalls.
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The lavas are cut by steep normal faults which have a maximum throw of a few hundred metres at slow spreading centres, and smaller throws at faster spreading rates.
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This study reports on a mesoscale normal fault zone, intraformational in Oligocene argillaceous sediments from the Boom Formation, containing several metre-scale normal fault strands.
