Geology, hydrology, and quality of water in the Madera area, San Joaquin Valley, California

Mitten, Hugh T.; LeBlanc, R.A.; Bertoldi, Gilbert L.

doi:10.3133/ofr70228

Cited by 5 publications

(5 citation statements)

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“…Boron has been reported in concentrations as high as 15000 ng/L in surface water that drain the Coast Ranges (27) and in concentrations of several hundred micrograms per liter in surface water that drain the Sierra Nevada. Molybdenum and vanadium have been reported at concentrations of several micrograms per liter in surface water that drain both mountain ranges (26,27,29).…”

Section: Geochemical Interrelations and Trace Element Mobilitymentioning

confidence: 99%

Distribution and mobility of selenium and other trace elements in shallow groundwater of the western San Joaquin Valley, California

Deverel¹,

Millard²

1988

Environ. Sci. Technol.

100

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rn Samples of shallow groundwater that underlies much of the irrigated area in the western San Joaquin Valley, CA, were analyzed for various major ions and trace elements, including selenium. Concentrations of the major ions generally were similar for groundwater collected in the two primary geologic zones-the alluvial fan and basin trough. Selenium concentrations are significantly (a = 0.05) higher in the groundwater of the alluvial-fan zone than in that of the basin-trough zone. The concentrations of oxyanion trace elements were significantly correlated (a = 0.05) with groundwater salinity, but the correlations between selenium and salinity and between molybdenum and salinity were significantly different (a = 0.05) in the alluvial-fan geologic zone compared with those in the basin-trough geologic zone. The evidence suggests that the main factors affecting selenium concentrations in the shallow groundwater are the degree of groundwater salinity and the geologic source of the alluvial soil material.

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Section: Geochemical Interrelations and Trace Element Mobilitymentioning

confidence: 99%

Distribution and mobility of selenium and other trace elements in shallow groundwater of the western San Joaquin Valley, California

Deverel¹,

Millard²

1988

Environ. Sci. Technol.

100

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“…Soils developed on San Luis Ranch alluvium are some of the most fertile in the San Joaquin Valley, while those on Los Banos alluvium and the Tulare Formation are generally progressively less fertile. Bull 1964Bull 1964Leblanc, 1970SG 510 Leblanc, 1970Leblanc, 1970! * 804 818A Leblanc, 19705 #818 Leblanc, 1970Leblanc, 1970Miller, et al, 1971Miller, et al, 1971Miller, et al , 2972 14 819 Miller, et al, 1971Miller, 19714 813 Leblanc, 1970 SF 501 Bull 1964Leblanc, 1970** 809 Leblanc, 1970 h 815 816, Leblanc 1970Leblanc, 1970Miller, et al, 1971Millel, et al, 1971Miller, et al , 1971Davis, et al , 1959 Miller, et al, 1971o Miller, et al, 1971Miller, et al , 1971Leblanc, 19724 812 14 811 Miller, et al, 1971U DE 531 Leblanc, 1970Leblanc, 1970Leblanc, 19704 DE 529 Miller, et al, 1971Leblanc, 19704 808 Leblanc, 1970Bull 1964 4 SF 501 4 SE 505…”

Section: Alluvial Events During Interglacial Epochsmentioning

confidence: 99%

Late Cenozoic stratigraphy and structure of the western margin of the central San Joaquin Valley, California

Lettis¹

1982

Open-File Report

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Late Cenozoic Stratigraphy Late Cenozoic deposits in the west-central San Joaquin Valley and adjacent foothills of the Diablo Range consist mainly of unconsolidated, poorly-sorted to well-sorted gravel, sand, silt and clay derived primarily from the Diablo Range and secondarily from the Sierra Nevada. Sedimentary structures.* such as channeled contacts, laminated bedding, cross-stratification and clast-imbrication indicate that most of the deposits were transported and laid down by running water. These deposits are described and their facies relationships are illustrated in the "Late Cenozoic Stratigraphy" section of this report (see Figures 17, and 26, and Table 9). sea. The freshwater character, however, suggests that the lake was probably periodically flushed through an outlet to the sea. Origin of the Corcoran Clay and computation of the deformation and sedimentation rates in the San Joaquin Valley are presented in the "Late Cenozoic Stratigraphy"and "Late Cenozoic Structure" sections of this report. Within the foothills, the principal Quaternary folds include the Panoche Hills, Wisenor Hills, Los Banos Hills and Laguna Seca Hills anticlines and the Little Panoche Valley, San Luis Valley, Carrisalito Flat and Salt Creek synclines. These structures, much smaller than the San Joaquin Valley syncline, typically have northeaster east-trending axes. The Panoche Hills, however, appears to be a simple quaquaversal dome. Evidence for these folds is presented in the section entitled "Late Cenozoic Structure." The Panoche Hills anticline, the largest foothill structure, has risen at a minimum rate of 0.3 to O.M m per millenium during the late Quaternary. Minimum rates of uplift for the smaller Laguna Seca Hills and Wisenor Hills anticlines approximate 0.2 m per millenium. Three northwest-trending fault systems displace Quaternary deposits in the Los Banos area: the Ortigalita Fault system, forming the principal contact between the Franciscan Assemblage of the central Diablo Range and the Great Valley Sequence of the foothills; the San Joaquin Fault system, separating the foothills from the San Joaquin Valley; and the O'Neill Fault System, which consists of numerous small bedding-plane faults between the San Joaquin and Ortigalita Fault systems. Evidence for displacement along these faults is presented in the section entitled "Late Cenozoic Structure". The Ortigalita Fault displaces late Pleistocene alluvium and probably displaces Holocene alluvium. Its linear, en echelon trace and fault-plane solutions of recent tremors suggest a predominance of lateral displacement. Escarpments along the fault, however, typically have a west-southwest aspect suggesting that oblique displacement may have uplifted the foothill belt relative to the central Diablo Range. This Quaternary activity along the Ortigalita Fault is a reactivation of an earlier Tertiary structure along which Taliaferro (19*13), Briggs (1953), Leith (19W and Page (1981) suggests that the central Diablo Range was elevated. The presence of roughly coeval basalt flow...

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“…Annual precipitation varies widely from year to year, but it is on the order of 50 crnlyr (20 in/yr). More than 75 percent of the precipitation falls in the winter (Mitten et al, 1970). The potentiometric surface is generally shallow, and during the period of this study it was about 5 m (15 ft) below ground surface.…”

Section: Generalmentioning

confidence: 80%

“…The potentiometric surface is generally shallow, and during the period of this study it was about 5 m (15 ft) below ground surface. The surrounding area is dissected by several ephemeral streams, and groundwater flow is generally to the west (Mitten et al, 1970).…”

Section: Generalmentioning

confidence: 99%

Hydrogeologic characterization of a fractured granitic rock aquifer, Raymond, California

Cohen¹

1993

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Geology, hydrology, and quality of water in the Madera area, San Joaquin Valley, California

Cited by 5 publications

References 0 publications

Distribution and mobility of selenium and other trace elements in shallow groundwater of the western San Joaquin Valley, California

Distribution and mobility of selenium and other trace elements in shallow groundwater of the western San Joaquin Valley, California

Late Cenozoic stratigraphy and structure of the western margin of the central San Joaquin Valley, California

Hydrogeologic characterization of a fractured granitic rock aquifer, Raymond, California

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