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Topic: Transverse Ranges

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Coast Ranges

Peninsular Ranges

San Jacinto Mountains

Santa Susana Mountains

Santa Monica Mountains

List of mountain ranges

Laguna Mountains

San Gabriel Mountains

Santa Ana Mountains

Tehachapi Mountains

Santa Ynez Mountains

Geography of California

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	Western Earth Surface Processes Team
		The Transverse Ranges Province of southern California is so-named because the mountains, valleys, and geologic structures within this province lie east-west or " transverse to " the prevailingly northwest-trending grain characteristic of southern California.
		In the eastern part of the range, basal units of these rocks rest depositionally on top of the Baldwin Gneiss, which formed a broad crystalline platform of ancient North American basement on which the sedimentary materials were deposited in marine environments.
		In the east part of the range, the granitoid rocks typically are monzogranitic in composition and are biotite-bearing; in the west part of the range, comparable granitoid rocks are granodioritic to monzogranitic in composition and are biotite- and hornblende-biotite bearing.
	geomaps.wr.usgs.gov /socal/geology/transverse_ranges/index.html (5331 words)

	Transverse Ranges - Wikipedia, the free encyclopedia
		The Transverse ranges are a group of mountain ranges of southern California, part of the North American Coast Ranges that run along the Pacific coast from Alaska to Mexico.
		To the north of the Transverse ranges are the Central Coast Ranges, The Central Valley, and the Tehachapi Mountains, which separate the Central Valley from the Mojave Desert to the east, and link the Transverse ranges to the Sierra Nevada.
		The ranges are part of the California chaparral and woodlands ecoregion, but the eastern ends of the range touch two desert ecoregions, the Mojave desert ecoregion, and the Sonoran desert ecoregion, which includes the California's low deserts.
	en.wikipedia.org /wiki/Transverse_Ranges (483 words)

	California Geomorph Regions.doc (Site not responding. Last check: 2007-10-08)
		The province is bound indefinitely by the Cascade Range on the west and the Basin and Range on the east and south.
		TRANSVERSE RANGES The Transverse Ranges are a complex series of mountain ranges and valleys distinguished by an anomalous dominant eastwest trend, contrasting to the NW-SE direction of the Coast Ranges and Peninsular Ranges.
		The northern boundary of the Mojave is separated from the prominent Basin and Ranges by the eastern extension of the Garlock Fault.
	geogdata.csun.edu /geogcourses/ca_landform_regions.html (1186 words)

	Section 4.3: Geologic Problems
		The Transverse Ranges are predominantly east-west trending ranges, extending from Point Arguello and the Santa Ynez Mountains in the west to the San Bernardino Mountains in the east and including the Topatopa Mountains, Santa Monica Mountains, and San Gabriel Mountains.
		The Peninsular Ranges are north-northwest trending ranges with rugged, block-faulted granitic plutons dipping to the west.
		The range is toward the southeastern extension of the Transverse Ranges, and its eastern terminus is at the confluence of the San Andreas and San Jacinto Fault Zones.
	www.cpuc.ca.gov /Environment/info/esa/divest-edison/newsce/chap4_3.htm (6422 words)

	MSN Encarta - California
		The Transverse Ranges, so named because they run transverse or perpendicular (west to east) to the north-south oriented Coast Ranges, extend from Point Conception, on the coast, roughly eastward to the Mojave Desert.
		The Basin and Range province is an arid area of mountain ranges, basins, and deserts.
		The trough is a depression that extends from the Gulf of California, in Mexico, to the Transverse Ranges in the northwest.
	encarta.msn.com /encnet/refpages/refarticle.aspx?refid=761561899 (1887 words)

	California
		The Colorado Desert, to the east of the Transverse and Peninsular ranges of southern California, is discussed in the Southwest chapter.
		The Coast Ranges are a series of large mountain ranges oriented north to south and extending from the southern limit of the Klamath Mountain block for roughly 720 kilometers south to the Cuyama River, which forms the San Luis Obispo County-Santa Barbara County boundary.
		These granitic ranges lie between the southern terminus of the Coast Ranges and the Los Angeles basin and trough (Jaeger and Smith 1966), from near the coast inland to the western and southern edges of the Mojave Desert.
	biology.usgs.gov /s+t/SNT/noframe/ca162.htm (15568 words)

	Pacific Coast Ranges - Wikipedia, the free encyclopedia
		The Pacific Coast Ranges are the series of mountain ranges that stretch along west coast of North America from Alaska to Mexico.
		The character of the ranges varies considerably, from the record-setting tidewater glaciers in the ranges of Alaska, to the low but rugged and scrub-covered hills of southern California, but the entire coast is consistent in dropping steeply into the sea, often resulting in photogenic views.
		From the vicinity of San Francisco Bay north, it is common for humid air masses from the Gulf of Alaska to make landfall in one of the Coast Ranges, resulting in heavy precipitation, both as rain and snow, especially on their western slopes.
	en.wikipedia.org /wiki/Pacific_Coast_Ranges (216 words)

	OVERVIEW OF TRANSVERSE RANGES GEOLOGY, CALIFORNIA (Site not responding. Last check: 2007-10-08)
		On the shaded relief map, the high topography of the Transitional Ranges is evident, especially the Mt. Pinos uplift (over 2500 m in ekevation) located along the northern edge of the subprovince; it separates Frazier Mountain to the east from Pattiway Ridge to the west; Alamo Mountain lies south-southeast of Frazier Mountain.
		The San Gabriel Mountains are bounded on the north by the San Andreas fault, and to the south by the east-west-trending left-lateral faults that separate the range from the San Fernando Valley, the Los Angeles basin, and the Pomona Valley.
		The east-west trending transverse fault system bounding the southern margin of the range is, like the San Andreas fault, active; one of these faults caused the 1971 San Fernando earthquake (magnitude 6+) that caused 2 m of uplift and 2 m of left-lateral translation in the western part of the San Gabriel Mountains.
	seis.natsci.csulb.edu /deptweb/SkinnyCalSites/TrnsverseRng/transverseoverview.html (3970 words)

	TRANSVERSE RANGES FACTS AND INFORMATION (Site not responding. Last check: 2007-10-08)
		The Transverse ranges are a group of mountain ranges of southern California, part of the North American Coast_Ranges that run along the Pacific coast from Alaska to Mexico.
		The Transverse Ranges also include the Topatopa_Mountains and the Santa_Susana_Mountains of Ventura_County and Los_Angeles_County, the Simi_Hills, the Santa_Monica_Mountains that run along the Pacific coast behind Malibu, and whose eastern portion are known as the Hollywood Hills, the steep San_Gabriel_Mountains northeast of Los Angeles, the Puente Hills and Chino Hills, and the San Bernardino Mountains.
		To the north of the Transverse ranges are the Central Coast Ranges, The Central_Valley, and the Tehachapi_Mountains, which separate the Central Valley from the Mojave_Desert to the east, and link the Transverse ranges to the Sierra Nevada.
	www.amysflowershop.com /Transverse_Ranges (468 words)

	California's Coastal Mountains
		The northwest-trending Coast Ranges, the largest of the state's geomorphic provinces, rises abruptly from the shore in northern Humboldt County and extend 400 miles south to the Santa Ynez River in Santa Barbara County.
		Conifers--redwood and Douglas-fir--cloak the windward slops of the Klamath Mountains and the northern Coast Ranges.
		In the semi-arid Transverse and Peninsular ranges, chaparral is abundant on windward and southwest-facing slopes, whereas mixed- coniferous forest--Ponderosa pine, sugar pine and whit fir--grows in isolated stands in protected areas.
	ceres.ca.gov /ceres/calweb/coastal/mountains.html (1013 words)

	California House Rentals and Cabin & Cottage Rental, Cottage Canada - USA
		The Sierra-Cascade province is, in California, a vast upland area that extends from Oregon to the Transverse Ranges.
		The Basin and Range province is an arid area of mountain ranges, basins, and deserts.
		The trough is a depression that extends from the Gulf of California, in Mexico, to the Transverse Ranges in the northwest.
	www.cottage-canada-usa.com /california.htm (923 words)

	Geology and plate tectonic development: Southern California: Transverse Ranges and Salton Trough
		Continuing southeastward along the Transverse Ranges, the fault trends along the north slope of the San Gabriel Mountains and the edge of the Mojave Desert for about 100 km, and then cuts diagonally between the San Gabriel and San Bernardino Mountains, where a major strand (San Jacinto fault) splits off to the south.
		The rocks traversed by the San Andreas fault in the Transverse Ranges are mainly Mesozoic plutons and their Precambrian metamorphic and plutonic host rocks.
		South of the Transverse Ranges, the bedrock along the fault is concealed by Quaternary deposits of the Salton Trough for a length of more than 200 km.
	www.johnmartin.com /earthquakes/eqsafs/safs_361.htm (887 words)

	Revenaugh
		The northern limb of the slab is not a strong scatterer, consistent with thicker lithosphere north of the Transverse Ranges.
		Humphreys and Hager (4) modeled the Transverse Ranges velocity anomaly as the paired subcrustal lithospheres of North America and the Pacific subducting vertically to 250 km beneath the eastern Transverse Ranges, shallowing to 100 km on the western margin.
		The block-like character of the Transverse Ranges anomaly in the tomographic studies is consistent with the notion of pervasive shear planes, and there is some correspondence between the block edges and the loci of high scattering potential along the southern limb of the anomaly.
	www.es.ucsc.edu /~jsr/Publications/Papers/P5/paper.html (2833 words)

	Quaternary Deformation: Central section of San Andreas fault
		In this chapter, faults in the western Transverse Ranges and southern Coast Ranges are grouped together as components of the central section of the San Andreas fault system.
		This combination of two different structural and physiographic provinces stresses that the transition from compressional structures in the Transverse Ranges to strike-slip structures in the Coast Ranges is more gradual and less sharply defined than the physiographic boundary.
		To the south, along the boundary between the Transverse Ranges and the Mojave Desert, the fault continues as a series of closely aligned echelon breaks, in a narrow (0.5 km wide) linear trench.
	www.johnmartin.com /earthquakes/eqsafs/safs_431.htm (1077 words)

	Downloads
		The present day outcrop patterns are strong geological support for the Transverse Ranges rotation.
		Description:In the later stages of rotation, readjustment of the plate boundary resulted in north-south shortening of the Transverse Ranges...
		Description:Rotation of the Transverse Ranges and eruption of the Conejo Volcanics during Miocene time...
	emvc.geol.ucsb.edu /downloads.php (971 words)

	t31c in fm04
		AB: Convergence in the Transverse Ranges is a consequence of lithosphere converging and sinking beneath the Transverse Ranges.
		The schist outcrops on low-angle faults near the Transverse Ranges, suggesting that the aseismic lower crust is made largely of schist.
		The descending lithosphere pulls southern California crust toward the Transverse Ranges, maintaining the San Andreas as the dominant fault south of the Transverse Ranges.
	www.agu.org /cgi-bin/SFgate/SFgate?&listenv=table&multiple=1&range=1&directget=1&application=fm04&database=/data/epubs/wais/indexes/fm04/fm04&maxhits=200&="T31C" (4729 words)

	Joshua Tree NP GeologicalFormations
		Joshua Tree National Park is located in southern California on the eastern end of the broad mountainous belt called the Transverse Ranges, which stretch from Point Arguello, 50 miles west of Santa Barbara, eastward for nearly 300 miles to the Eagle Mountains in the Mojave Desert.
		Within the park there are six distinct mountain ranges: the Little San Bernardino Mountains in the southwestern part; the Cottonwood, Hexie, and Pinto Mountains in the center; and the Eagle and Coxcomb Mountains in the eastern part.
		Between the park’s numerous mountain ranges, there are valleys, which are classified according to their method of formation.
	www.nps.gov /jotr/nature/features/geology/formations.html (231 words)

	Department of Earth Sciences at the University of California, Riverside
		The active margins of these ranges and their intramontane basins are the sites of late Cenozoic sediment accumulation, active seismicity, landsliding, hot spring activity and urban development.
		The Coachella Valley and Salton Trough, southeast of Riverside between the eastern Transverse and Peninsular Ranges, are a tectonic extension of oceanic spreading in the Gulf of California, but isolated from it by the Colorado River delta.
		To the northeast, across the Transverse Ranges, lie the basins and ranges of the Mojave Desert.
	www.earthscience.ucr.edu /index.php?content=geological_environment/geological_environment.php (670 words)

	The Geological Setting
		The distinctive geological structure of the Transverse Ranges is dominated by the effects of north-south compressive deformation resulting in thrust faulting, strike-slip faulting, and bedrock folding.
		The Transverse Ranges of southern California comprise several east-west trending mountain blocks bounded by major faults and interspersed with broad valleys.
		The western Transverse Ranges are an outstanding example of a geological model of folds and uplifts produced by slip on buried faults.
	pubs.usgs.gov /of/ofr-96-0263/geoset.htm (2046 words)

	Malibu Coast Fault Zone (Site not responding. Last check: 2007-10-08)
		The surface traces of the northwest-trending strike-slip faults of southern California terminate along the north-dipping thrust faults at the southern edge of the Transverse Ranges.
		The Transverse Ranges are rotating in a clockwise direction ~6 degrees per Myr, and have done so for the past ~16 Myr.
		The western Transverse Ranges are characterized by rates of uplift and convergence of 4-10 mm/year (Lajoie et alia, 1979).
	www.uwm.edu /Course/Neotectonics/MCFZ.expl.4-98.html (240 words)

	Transverse Ranges
		Other Ranges: To go to pages for other ranges click on range names in the hierarchy snapshot below, which show the parent, siblings, and children of the Transverse Ranges.
		List may not be complete, since only summits in the PBC Database are included.
		This page has been served 3170 times since 2004-11-01.
	www.peakbagger.com /range.aspx?rid=1231 (72 words)

	Seismology/ Geology Glossary
		An area of the southwestern United States characterized by roughly parallel mountain ranges and valleys, formed by a series of tilted fault blocks, and brought about by tectonic extension of the region.
		They are called transverse because they stretch east-west, unlike the north-south trending Sierra Nevada, Peninsular Ranges, and the mountains of the Basin and Range province.
		Thus, they are transverse to most other California mountains and to the overall tectonic motion at this plate boundary.
	www.data.scec.org /Module/links/glossary.html (2544 words)

	The Transverse Ranges (from California) -- Britannica Student Encyclopedia
		The Coast Ranges are separated from the higher mountains of the Cascade Range and the Sierra...
		Three rivers cut through the Cascade Range on their way to the sea—the Klamath River to the south, the Columbia River near the middle of the range, and the Fraser River far to the north.
		The highest mountain range within the Arctic Circle is the Brooks Range, the northernmost extension of the Rocky Mountains in northern Alaska.
	www.britannica.com /ebi/article-231106 (962 words)

	EVOLUTION OF CRYSTALLINE ROCKS OF THE TRANSVERSE RANGES (Site not responding. Last check: 2007-10-08)
		Perry Ehlig’s recurring theme in interpreting the geology of the Transverse Ranges was to free geology from the confines of physiography.
		Rapid differential exhumation in the Transverse Ranges may be constrained by correlated thermobarometric exhumation estimates derived from structurally high Mesozoic plutonic rocks with 60-65 Ma cooling ages recorded by biotite K-Ar (Miller and Morton, 1980) and apatite (U,Th)/He and fission track ages (Spotila et al., 1998; Blythe et al., 2000).
		Geology and Tectonics of the Mojave Desert and Transverse Ranges: A Tribute to Perry Ehlig
	gsa.confex.com /gsa/2001CD/finalprogram/abstract_3789.htm (339 words)

	Southern California Areal Mapping Project home
		Neotectonic Framework of the South-Central Transverse Ranges and Vicinity
		Early studies of seismicity in the vicinity of the south-central Transverse Ranges were published by Dehlinger (1952), Richter and others (1958), Allen and others (1965), Brune and Allen (1967), Cheatum and Combs (1973), Hadley and Combs (1974), Thatcher and others (1975), and Fuis and Lamanuzzi (1978).
		Allen and others (1965) evaluated the seismicity of the southern California region, including the south-central Transverse Ranges and vicinity, and concluded that although seismicity patterns were consistent with some of the major fault systems, much of the seismicity is diffuse and is not associated with known faults.
	scamp.wr.usgs.gov /scamp/html/scg_ie_neo.html (3277 words)

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