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Correlation of Late Quaternary Tephra Layers in a Long Pluvial Sequence near Summer Lake, Oregon

Published online by Cambridge University Press:  20 January 2017

Jonathan O. Davis
Jonathan O. Davis*
Affiliation:
Social Sciences Center, Desert Research Institute, Reno, Nevada, USA
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Abstract

Near Summer Lake in southern Oregon, 54 tephra beds of late Quaternary age are exposed in pluvial lake sediments of Lake Chewaucan. Seven of the tephra beds near the top can be correlated with tephra deposits younger than 117,000 yr at Mount St. Helens, Washington, at Crater Lake, Oregon, and in northwestern Nevada in the deposits of pluvial Lake Lahontan. However, most of the section at Summer Lake lies below the correlated units, and contains 39 tephra beds older than 117,000 yr.

Major-element chemistry of tephra glasses was determined by electron microprobe analysis; petrography supports the correlations made from chemical evidence. Compositions correlated range from 70 to 76% SiO2; the least silicic Summer Lake glass contained 57%.

Extrapolation of depositional rate suggests that most of the sediments at Summer Lake are younger than about 335,000 yr, but older lake beds containing tephra layers occur at one place. The long lacustrine record suggests that Lake Chewaucan persisted through the last interpluvial stage, and that the lake may have dried up at the end of the Pleistocene due to diversion of the Chewaucan River by relict shore features.

Type
Original Articles
Information
Quaternary Research , Volume 23 , Issue 1 , January 1985 , pp. 38 - 53
Copyright
University of Washington

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References

Allison, I.S. 1945 Pumice beds at Summer Lake, Oregon Geological Society of America Bulletin 56 789–808 CrossRefGoogle Scholar
Allison, I.S. 1966a Pumice at Summer Lake, Oregon—A correction Geological Society of America Bulletin 77 329–330 CrossRefGoogle Scholar
Allison, I.S. 1966b Fossil Lake, Oregon: Its geology and fossil faunas Oregon State Monographs Studies in Geology 9 48 Google Scholar
Allison, I.S. 1982 Geology of pluvial Lake Chewaucan, Lake County, Oregon Oregon State Monographs Studies in Geology 11 79 Google Scholar
Bacon, C.R. 1983 Eruptive history of Mount Mazama and Crater Lake caldera, Cascade Range, U.S.A. Journal of Volcanology and Geothermal Research 18 57–115 CrossRefGoogle Scholar
Blinman, E. Mehringer, P.J. Jr. Sheppard, J.C. 1979 Pollen influx and the deposition of Mazama and Glacier Peak tephra Sheets, P.D. Grayson, D.K. Volcanic Activity and Human Ecology Academic Press New York 393–425 CrossRefGoogle Scholar
Borchardt, G.A. Aruscavage, P.J. Millard, H.T. Jr. 1972 Correlation of the Bishop ash, a Pleistocene marker bed, using instrumental neutron activation analysis Journal of Sedimentary Petrology 42 301–306 Google Scholar
Crandell, D.W. Mullineaux, D.R. 1973 Pine Creek volcanic assemblage at Mount St. Helens, Washington U.S. Geological Survey, Bulletin 1383-A Google Scholar
Davis, J.O. 1978 Quaternary tephrochronology of the Lake Lahontan area, Nevada and California Nevada Archeological Survey, Research Paper 7 University of Nevada Reno Google Scholar
Davis, J.O. 1983 Level of Lake Lahontan during deposition of the Trego Hot Springs tephra about 23,400 years ago Quaternary Research 19 312–324 CrossRefGoogle Scholar
Diller, J.S. Patton, H.B. 1902 The Geology and Petrography of Crater Lake National Park U.S. Geological Survey Professional Papers 3Google Scholar
Fryxell, R. 1965 Mazama and Glacier Peak volcanic ash layers: Relative ages Science 147 1288–1290 CrossRefGoogle ScholarPubMed
Heiken, G.H. 1971 Tuff rings: Examples from the Fort Rock-Christmas Lake Valley basin, south-central Oregon Journal of Geophysical Research 76 5615–5626 CrossRefGoogle Scholar
Hyde, J.H. 1975 Upper Pleistocene pyroclasticflow deposits and lahars south of Mount St. Helens volcano. Washington U.S. Geological Survey, Bulletin 1383-B Google Scholar
Kittleman, L.R. 1973 Mineralogy, correlation, and grain-size distribution of Mazama tephra and other postglacial pyroclastic layers, Pacific Northwest Geological Society of America Bulletin 84 2957–2980 2.0.CO;2>CrossRefGoogle Scholar
Mack, R.N. Okazaki, R. Valastro, S. 1979 Bracketing dates for two ash falls from Mount Mazama Nature (London) 279 228–229 CrossRefGoogle Scholar
Morrison, R.B. 1964 Lake Lahontan: Geology of Southern Carson Desert, Nevada U.S. Geological Survey Professional Papers, 401Google Scholar
Mullineaux, D.R. Hyde, J.H. Rubin, M. 1975 Widespread late glacial and postglacial tephra deposits from Mount St. Helens volcano, Washington Journal of Research of the U.S. Geological Survey 3 329–335 Google Scholar
Mullineaux, D.R. Wilcox, R.E. Ebaugh, W.F. Fryxell, R. Rubin, M. 1978 Age of the last major scabland flood of the Columbia Plateau in eastern Washington Quaternary Research 10 171–180 CrossRefGoogle Scholar
Okazaki, R. Smith, H.W. Gilkeson, R.A. Franklin, J. 1972 Correlation of West Blacktail ash with pyroclastic layer T from the 1800 A.D. eruption of Mount St. Helens Northwest Science 46 77–89 Google Scholar
Peterson, N.V. Groh, E.A. 1963 Maars of south-central Oregon Ore Bin 25 73–89 Google Scholar
Powers, H.A. Wilcox, R.E. 1964 Volcanic ash from Mount Mazama (Crater Lake) and from Glacier Peak Science 144 1334–1336 CrossRefGoogle ScholarPubMed
Randle, K. Goles, G.G. Kittleman, L.R. 1971 Geochemical and petrological characteristics of ash samples from Cascade volcanoes Quaternary Research 1 261–282 CrossRefGoogle Scholar
Russell, I.C. 1885 Geological history of Lake Lahontan, a Quaternary lake of northwestern Nevada U.S. Geological Survey, Monograph 11 Google Scholar
Sarna-Wojcicki, A.M. Bowman, H.R. Meyer, C.E. Russell, P.C. Asaro, F. Michael, H. Rowe, J.J. Baedecker, P.A. McCoy, G. 1980 Chemical analyses, correlations, and ages of late Cenozoic tephra units of east-central and southern California U.S. Geological Survey, Open File Report 80-231 CrossRefGoogle Scholar
Sarna-Wojcicki, A.M. Shipley, S. Waitt, R.B. Jr. Dzurisin, D. Wood, S.H. 1981 Areal distribution, thickness, mass, volume, and grain size of air-fall ash from the six major eruptions of 1980 Lipman, P. Mullineaux, D.R. The 1980 Eruptions of Mount St. Helens, Washington. U.S. Geological Survey, Professional Papers 1250. 577–600 Google Scholar
Shackleton, J.J. Opdyke, N.D. 1973 Oxygen isotope and palaeomagnetic stratigraphy of equatorial Pacific core V28-238: Oxygen isotope temperatures and ice volumes on a 105 and 106 year scale Quaternary Research 3 39–55 CrossRefGoogle Scholar
Smith, D.G.W. Westgate, J.A. 1969 Electron probe technique for characterizing pyroclastic deposits Earth and Planetary Science Letters 5 313–319 CrossRefGoogle Scholar
Smith, H.W. Okazaki, R. Knowles, C.R. 1975 Electron microprobe analysis as a test of the correlation of West Blacktail ash with Mt. St. Helens pyroclastic layer T Northwest Science 42 150–160 Google Scholar
Smith, H.W. Okazaki, R. Knowles, C.R. 1977 Electron microprobe analysis of glass shards from tephra assigned to Set W. Mt. St. Helens, Washington Quaternary Research 7 207–217 CrossRefGoogle Scholar
Snyder, C.T. Hardman, G. Zdenek, F.F. 1964 Pleistocene Lakes in the Great Basin. U.S. Geological Survey Miscellaneous Geologic Investigations Map 1–416 Google Scholar
Spiker, E. Kelley, L. Oman, C. Rubin, M. 1977 U.S. Geological Survey radiocarbon dates XII Radiocarbon 19 332–353 CrossRefGoogle Scholar
Valastro, S. Jr. Davis, E.M. Varela, A. 1978 University of Texas radiocarbon dates XII Radiocarbon 20 245–273 CrossRefGoogle Scholar
Verosub, K.L. Davis, J.O. Valastro, S. Jr. 1980 A paleomagnetic record from Pyramid Lake, Nevada, and its implications for proposed geomagnetic excursions Earth and Planetary Science Letters 49 141–148 CrossRefGoogle Scholar
Wilcox, R.E. 1965 Volcanic-ash chronology Wright, H.E. Jr. Frey, D.G. The Quaternary of the United States Princeton Univ. Press Princeton, N.J 807–816 Google Scholar
Williams, H. 1942 The geology of Crater Lake National Park, Oregon, with a reconnaissance of the Cascade Range southward to Mount Shasta Carnegie Institution of Washington Publication 540 Google Scholar
Yakowitz, H. Myklebust, R.L. Heinrich, K.F.J. 1973 FRAME: An on-line correction procedure for quantitative electron microprobe microanalysis National Bureau of Standards (U.S.) Technical Note 796 Google Scholar