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Topic: Transform fault

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	NationMaster - Encyclopedia: Transform fault (Site not responding. Last check: 2007-10-31)
		The San Andreas fault of southern California is a large transform fault connecting the East Pacific Rise off the coast of California with a segment of the ridge in the Gulf of California.
		Reverse faults are indicative of shortening of the crust.
		The fault plane is the plane that represents the fracture surface of a fault.
	www.nationmaster.com /encyclopedia/Transform-fault (1050 words)

	Transform fault - Wikipedia, the free encyclopedia
		A transform fault is a geological fault that is a special case of strike-slip faulting which terminates abruptly, at both ends, at a major transverse geological feature.
		Transform faults comprise one of the three types of plate boundaries in plate tectonics.
		The San Andreas fault of southern California is a large transform fault connecting the East Pacific Rise off the coast of California with a segment of the ridge in the Gulf of California.
	en.wikipedia.org /wiki/Transform_fault (190 words)

	Transform Plate Boundaries - Transform Fault - Geology.com
		The fracture zone that forms a transform plate boundary is known as a transform fault.
		Most transform faults are found in the ocean basin and connect offsets in the mid-ocean ridges.
		A strike-slip fault is a simple offset, however, a transform fault is formed between two different plates, each moving away from the spreading center of a divergent plate boundary.
	www.geology.com /nsta/transform-plate-boundaries.shtml (293 words)

	Geologic fault - Wikipedia, the free encyclopedia
		A fault where the main sense of movement (or slip) on the fault plane is vertical is known as a dip-slip fault.
		Reverse faults are indicative of shortening of the crust.
		The fault plane is the plane that represents the fracture surface of a fault.
	en.wikipedia.org /wiki/Fault_plane (751 words)

	Encyclopedia :: encyclopedia : San Andreas Fault (Site not responding. Last check: 2007-10-31)
		The San Andreas Fault is a geological fault, known as a right-lateral strike-slip fault, that spans a length of roughly 800 miles (1287 kilometers) through California.
		This is due to a cutout of the fault in Palmdale, the second largest city directly sitting on the fault, where the Antelope Valley Freeway passes through it and the deep layers of "shifted" crust can clearly be seen.
		The northern segment of the fault runs from Hollister, through the San Francisco Peninsula where it briefly goes offshore, then follows the coast of California fairly closely to Cape Mendocino, where there is an unstable triple junction where three tectonic plates come together to form a geologically complex and highly unstable zone.
	www.hallencyclopedia.com /San_Andreas_Fault (908 words)

	San Andreas Fault - Wikipedia, the free encyclopedia
		The fault, a right-lateral strike-slip fault, marks a transform boundary between the Pacific Plate and the North American Plate.
		The fault was first identified in Northern California by U.C. Berkeley geology professor Andrew Lawson in 1895, and named by him after a small lake which lies in a linear valley formed by the fault just south of San Francisco, the Laguna de San Andreas.
		All land west of the fault on the Pacific Plate is moving slowly to the northwest while all land east of the fault is moving to the southwest (relatively southeast as measured at the fault) under the influence of plate tectonics.
	en.wikipedia.org /wiki/San_Andreas_fault (1578 words)

	Geological Society of America - GSA Today - v. 10, no. 6, June 2000 (Site not responding. Last check: 2007-10-31)
		The Marmara Sea is located on the transform fault, at a place where a notable southwestward swing occurs in the velocity field of the Aegean-Anatolian plate and where a broad zone of faults swings gradually to the southwest to connect the North Anatolian transform fault to the Saros-Ganos fault (Figs.
		The linkage of the faults in the ridges with the sidewall faults is poorly resolved because of the spacing of the seismic grid.
		This fault is interpreted as a footwall splay of the southern sidewall fault.
	www.geosociety.org /pubs/gsatoday/gsat0006.htm (2840 words)

	Fault - Search Results - ninemsn Encarta
		Fault, in geology, a fracture in the Earth's crust along which a section of the crust has been displaced relative to another section, in response to...
		Transform Fault, strike-slip fault, where two pieces of the Earth's crust cutting across a mid-ocean ridge slide past each other horizontally.
		His only fault is that he has no fault.
	au.encarta.msn.com /Fault.html (148 words)

	Richard H. Moody MS thesis abstract
		A detailed survey of the Oceanographer transform fault and environs at 35º N, 35ºW has yielded detailed information with respect to the generation and evolution of seafloor at a slowly accreting plate margin.
		The ridge crest widens and deepens towards the transform, and the rift valley walls are higher when they lie on the transform side of the valley than when they lie on the fracture zone side of the rift.
		The petrologic data and the rock distribution data confirm that the crust near the Oceanographer transform is thin and even, perhaps discontinuous and indicates that the mode of crustal formation is likely to change significantly near transforms.
	www.albany.edu /geosciences/rmoodyms.html (399 words)

	MAR: November 28th
		Deciphering faults between the different blocks of crust suspected to make up the mountain itself could be crucial to solving the mystery of how this massif formed.
		A transform fault is a special kind of strike-slip fault associated with the line between two offset ridge segments on mid ocean ridges.
		A thrust fault is a special kind of reverse fault where the angle of the fault is close to horizontal.
	www.earthguide.ucsd.edu /mar/nov28b.html (690 words)

	Bryce Canyon National Park: GEODETECTIVE Program (Site not responding. Last check: 2007-10-31)
		Normal faults are distinguished by fault blocks that slide in such a way that one block is down-dropped (lowered) relative to the other block.
		Transform faults (also called strike-slip faults) are distinguished by side to side sliding of fault blocks.
		Sometimes if the plane of the fault is visible, there are little lines called slickensides on the rock surface showing the direction of fault movement, created by the scraping of the rocks against one another.
	www.nps.gov /brca/geodet/geodet_faults.html (709 words)

	[No title]
		In the central portion of the transform, the fault strike is nearly E-W while near the two RTIs the fault strike is rotated counter-clockwise (Figures 2a, 2b).
		In the case of the Clipperton Transform, the source of the flexure is an end-load represented by the compressional median ridge (Figure 9).
		The old trace of the transform represents a crustal weakness that is the locus of normal faulting that occurs in response to the extension across the transform.
	bobbyorr.gso.uri.edu /~robp/papers/JGR_96.html (8557 words)

	Ocean Crust Geochemistry-Mendocino Transform Zone
		The Mendocino Transform Fault (MTF) is the major plate boundary between the Gorda Plate and the Pacific Plate in the NE Pacific Ocean.
		It is an active zone of dextral strike-slip motion separating 6-8 Ma crust of the Gorda plate from 28-30 Ma crust of the Pacific Plate.
		The Mendocino Transform Fault connects the Escanaba Trough (in the west) with the Mendocino Triple Junction (in the east).
	www.mbari.org /crust/MTZ.htm (345 words)

	Transform Plate Boundaries - Transform Fault - Geology.com
		The fracture zone that forms a transform plate boundary is known as a transform fault.
		Most transform faults are found in the ocean basin and connect offsets in the mid-ocean ridges.
		A strike-slip fault is a simple offset, however, a transform fault is formed between two different plates, each moving away from the spreading center of a divergent plate boundary.
	geology.com /nsta/transform-plate-boundaries.shtml (293 words)

	The American Museum of Natural History - EarthBulletin - Earthquakes - What is an Earthquake?
		At a transform fault, both plates move parallel to the boundary between the plates.
		All transform faults are strike-slip faults because rocks on either side of the fault move parallel to the fault itself.
		For example, a strike-slip fault in the middle of a plate is not a transform fault, but a strike-slip fault at the boundary between two plates is indeed a transform fault.
	earthbulletin.amnh.org /B/6/1 (270 words)

	[No title]
		A. a transform fault B. a spreading ridge C. a subduction zone D. a volcano The geographic point on the Earth's surface directly above the point where slip initiated during an earthquake is called the ______.
		The type of faulting associated with convergent plate boundaries is A. reverse or thrust faulting B. strike-slip faulting C. normal faulting D. transform faulting 21.
		A plate boundary fault that creeps aseismically at a rate near the relative motion of the two plates is unlikely to have a large earthquake.
	www.ess.ucla.edu /academics/courses/web/fall_2005/ess_8/docs/ess8midtermFall05_1_answers.doc (1313 words)

	Graham Brew Ph.D. Thesis
		Cross-basin faults are found particularly in the south of the basin, predominately steeply dipping to the northeast (faults B-E on Figure 4.5).
		Cross-basin oblique-slip faults appear to have accommodated the initial extension (Figure 4.11d) that was later transferred onto the basin bounding faults that are still prominent today (Figure 4.10 and 4.11e-f).
		The faults marked A are the along strike continuation of the main strand of the DSFS (as shown in Figure 4.3).
	atlas.geo.cornell.edu /people/brew/gbthesis4.html (8727 words)

	Transform Plate Boundary \| World of Earth Science
		A transform plate boundary is a margin between two lithospheric plates that constitutes a regional-scale transform fault.
		The San Andreas Fault is the main transcurrent or strike-slip fault within a broad deformation zone that comprises hundreds of minor faults along western California.
		The Alpine Fault Zone along the western South Island of New Zealand is an example of an obliquely convergent transform plate boundary separating two zones of subduction with opposite polarity.
	www.bookrags.com /research/transform-plate-boundary-woes-02 (440 words)

	EOS
		The identification of the deep crustal features within a fault zone and the analyses of the sedimentary settings associated with strike-slip motion are thus key elements to reconstruct the geometry and the kinematic development of the transcurrent system.
		The MFS is composed of distinct tectonic lineaments that are segments of the transform system and are represented by mostly near-vertical faults, with polarities that change along the strike of the fault.
		The present-day seismicity along the transform boundary is very low (<3.5 in magnitude) and shallow, as monitored in the period 1997-1999 by an array of portable broad-band seismic stations located in the Chilean territory, and by a permanent broad-band station installed near Ushuaia in 1996 (Vuan et al., 1999).
	www.uniurb.it /forte/eos.htm (2254 words)

	d11 Transform-fault plate boundaries
		The fault movement, as is revealed by earthquakes, is restricted to between the ridge segments (or to between a ridge and a trench if the fault joins these).
		However, plate tectonics soon provided the answer: these faults are transformed, each at its displacement termination into the divergence of a ridge or the convergence at a trench.
		Where a transform fault cuts through continental crust, prolonged movement on it will open an ocean, where it transforms into a ridge, and shear a portion of a continent toward oceanic isolation or the reverse.
	geowords.com /histbooknetscape/d11.htm (249 words)

	"T31B-0449" in fm06
		The geometry of ridge-transform fault intersections and the spacing of transform fault zones (TFZ) are among the defining characteristics of a mid-ocean ridge system.
		Secondly, the role of internal loading in the mantle is studied as a possible cause to the variation in the TFZ spacing as observed in Antarctic-Australian Discordance (AAD).
		In models of ridge-transform fault geometry, the driving forces are thermal stresses arising from the cooling of young oceanic crust and extensional kinematic boundary conditions.
	www.agu.org /cgi-bin/wais?hh=T31B-0449 (466 words)

	Earth Floor: Plate Tectonics
		Since the plates on either side of a transform boundary are merely sliding past each other and not tearing or crunching each other, transform boundaries lack the spectacular features found at convergent and divergent boundaries.
		In other places, transform boundaries are marked by features like stream beds that have been split in half and the two halves have moved in opposite directions.
		The slice of California to the west of the fault is slowly moving north relative to the rest of California.
	www.cotf.edu /ete/modules/msese/earthsysflr/plates4.html (311 words)

	Transform boundaries
		This transform fault connects the East Pacific Rise, a divergent boundary to the south, with the South Gorda -- Juan de Fuca -- Explorer Ridge, another divergent boundary to the north.
		The San Andreas is one of the few transform faults exposed on land.
		Land on the west side of the fault zone (on the Pacific Plate) is moving in a northwesterly direction relative to the land on the east side of the fault zone (on the North American Plate).
	www.cartage.org.lb /en/themes/Sciences/Earthscience/Geology/Earth/StoryPlateTectonics/PlateTectonics/Understanding/Convergent/Transformboundaries/Transformboundaries.htm (360 words)

	Deep tremors under San Andreas fault could portend earthquakes
		Transform faults, on the other hand, slide horizontally against one another.
		The epicenter of the event was particularly close to the tremor region, and there might be a relationship between the tremor activity and the occurrence of the September Parkfield earthquake, Nadeau said.
		The San Andreas Fault is locked at Cholame, leading some seismologists to predict a big quake in the near future.
	www.eurekalert.org /pub_releases/2004-12/uoc--dtu120804.php (935 words)

	Plate Tectonics, the Cause of Earthquakes
		The lateral offsets in the ridge are joined by transform faults.
		The San Andreas fault in California is a nearby example of a transform, separating the Pacific from the North American plate.
		At transforms the plates mostly slide past each other laterally, producing less sinking or lifing of the ground than extensional or compressional environments.
	www.seismo.unr.edu /ftp/pub/louie/class/100/plate-tectonics.html (953 words)

	Ocean Crust Geochemistry template
		Previous geochemical studies of oceanic fracture zones have suggested that the transform zone diminishes subcrustal melting, expressed by lower extents of melting near the ridge-transform intersection.
		The so-called “transform fault” effect can be observed in higher abundances of incompatible elements and elevated incompatible element ratios (e.g.TiO2, La/Sm and La/Yb).
		Such magmatism produces a wide variety of MORB including (picritic) primitive basalts as observed on the Siqueiros and the Garrett transform faults.The rocks from the Mendocino Ridge and the Gorda Escarpment show a broad range of compositions, from tholeiitic basalts to alkaline basalts, hawaiites and trachyandesites.
	www.mbari.org /crust/MTFGC.htm (363 words)

	A Simple Paper Model of a Transform Fault at a Spreading-Ridge Journal of Geoscience Education - Find Articles
		One of the more elusive concepts is the existence of transform faults along the sections of fracture zones between offset ridge segments.
		I have found that a simple but elegant paper model of the process of spreading and transform faulting, originally used by J. Tuzo Wilson, but first described by Stewart (1990), is very useful for teaching about transform faults and about some of the other features of the ridge region.
		The concept of transform faulting was originally proposed by Wilson (1965).
	www.findarticles.com /p/articles/mi_qa4089/is_200409/ai_n9443768 (814 words)

	Dead Sea - Tectonics
		Left-lateral motion predominates along the transform, due to the relative northward motion of the Arabian plate, although normal faulting is of local importance.
		The Dead Sea Transform may be considered an extension of the East African rift systems, because its tectonic movement is similarly driven by seafloor spreading in the Gulf of Aden and the Red Sea.
		The Dead Sea Transform is not a single fault, but a fault system, with a number of strike-slip faults running relatively parallel to one another.
	geology.wcedu.pima.edu /~vzinn/tectonics.htm (2326 words)

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