Late Pleistocene Coast Range orogenesis in southern California

Bailey, Thomas L.

doi:10.1130/gsab-54-1549

Cited by 9 publications

(8 citation statements)

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“…Although the age of the Coast Range orogeny is generally considered to be middle or late Pleistocene (Eaton, 1928;Reed and Hollister, 1936;Stille, 1936;Putnam, 1942;Bailey, 1943;Taliaferro, 1943), within the area studied it can be dated only as post Tulare. The Tulare generally is accepted as being of Pliocene and Pleistocene ( ~) age, and if this is the age of the Tulare in western Fresno County, then the foothill belt and probably the main Diablo Range were elevated during Pleistocene time.…”

Section: The Coast Range Orogenymentioning

confidence: 99%

“…Middle to late Pleistocene fossils have been found in tilted and folded strata in southern California, and some of these beds have been tilted by minor earth movements since the Coast Range orogeny (Bailey, 1943) . Movements younger than the Coast Range orogeny also affected the Diablo Range causing changes in the development of alluvial fans as will be shown later.…”

Section: The Coast Range Orogenymentioning

confidence: 99%

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Geomorphology of segmented alluvial fans in western Fresno County, California

Bull¹

1964

Professional Paper

169

174

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Purpose and scope _____________________________ _ 89 Fans associated with progressively gentler Acknowledgments ______________________________ _ 90 stream gradients _____________________ _ 106 Geographic setting _____________________________ _ 90 Fan~ associated with progressively steeper Location and topographic features ___________ _ 90 stream gradients _____________________ _ Drainage _________________________________ _ 90 Cross-fan profiles

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Section: The Coast Range Orogenymentioning

confidence: 99%

Section: The Coast Range Orogenymentioning

confidence: 99%

Geomorphology of segmented alluvial fans in western Fresno County, California

Bull¹

1964

Professional Paper

169

174

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“…"The deposition of these late Pliocene and early Pleistocene beds [the Tulare formation] was brought to a close by an even more important and widespread diastrophic event [the Coast Range orogeny] than that through which they originated" (Taliaferro, 1943, p. 148). Although the age of the Coast Range orogeny is generally considered to be middle or late Pleistocene (Eaton, 1928;Reed and Hollister, 1936;Stille, 1936;Putnam, 1942;Bailey, 1943;Taliaferro, 1943), within the area studied it can be dated only as post-Tulare. The Tulare generally is accepted as being of Pliocene and Pleistocene age; therefore, the foothill belt and probably the main Diablo Range were elevated during Pleistocene time.…”

Section: The Coast Range Orogenymentioning

confidence: 99%

Alluvial fans and near-surface subsidence in western Fresno County, California

Bull¹

1964

Professional Paper

104

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Subsidence of the land surface occurs in three extensive areas in the San Joaquin Valley and in the peat lands of the Sacramento-San Joaquin Delta at the north end of the valley. Subsidence hi the three valley areas is related mainly to progressive lowering of the artesian head in confined aquifers. In the Los Banos-Kettleman City area, largely in western Fresno County, more than 1,100 square miles has subsided at least 1 foot, and maximum subsidence in 1960 was about 22 feet. The maximum yearly rate of subsidence is about 1 foot. Locally, on the western and southern flanks of the valley, subsidence also has followed application of irrigation water to certain deposits of subnormal moisture content above the water table. This near-surface subsidence, which exceeds 10 feet in places, is superposed on the subsidence due to compaction of the aquifer system beneath. The character, extent, and rate of the subsidence in the valley are described in preliminary form in an earlier report (Inter-Agency Committee, 1958) and are being described in detail in U.S. Geological Survey reports now (1964) in preparation. Subsidence poses serious problems in the construction and maintenance of engineering structures, especially in large canals for water transport, but also in irrigation distribution systems, pipelines, roads, and drainage systems; it also affects land use. Two existing large canals pass through subsiding areas, and the authorized California aqueduct of the State and the San Luis project canal of the Bureau of Reclamation will pass through many tens of miles of subsiding ground. Thus, the extent, magnitude, and rate of past subsidence and the expected amount of future change in altitude of the land surface are-of paramount importance in the planning, construction, and maintenance of such major structures. Compaction of aquifer systems, the principal factor in the subsidence, also has an effect on the groundwater yield and causes casing failures. Because of the problems in water development and distribution caused by subsidence, the Geological Survey in cooperation with the California Department of Water Resources began a study of these subsiding areas in 1956. The objectives of this study are: 1. To provide vertical control on the land surface to measure the extent, rate, and magnitude of subsidence (a vital supporting program by the U.S. Coast and Geodetic Survey). 2. To determine causes of the subsidence, the part attributable to different causes, and the depth range in which subsidence is occurring. 3. To estimate the rates and amounts of subsidence that would occur in the future under assumed conditions; to determine whether any part of the subsidence is reversible, and if so, how much; and to suggest any methods that could be used to decrease or alleviate subsidence. The first report resulting wholly from the cooperative program with the State is the following paper by W. B. Bull on "Alluvial Fans and Near-Surface Subsidence in Western Fresno County, Calif." Other reports in progress or planned are: Subsidence du...

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“…Nevertheless, a group of deformations during middle and late Miocene time appears to have been important, to have deformed the earlier Cenozoic strata widely, and to have restricted the areas of subsequent sedimentation. A final climax of deformation occurred during Quaternary time, mainly during the gap between the lower and upper Pleistocene deposits (Stille, 1936, p. 867-868;Bailey, 1943Bailey, , p. 1562Bailey, -1564.…”

Section: California and Baja Californiamentioning

confidence: 99%

The tectonics of North America — A discussion to accompany the tectonic map of North America, Scale 1:5,000,000

King¹

1969

Professional Paper

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Late Pleistocene Coast Range orogenesis in southern California

Cited by 9 publications

References 0 publications

Geomorphology of segmented alluvial fans in western Fresno County, California

Geomorphology of segmented alluvial fans in western Fresno County, California

Alluvial fans and near-surface subsidence in western Fresno County, California

The tectonics of North America — A discussion to accompany the tectonic map of North America, Scale 1:5,000,000

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