Arid
DOI10.1130/2008.2439(01)
Reconstructing late Pliocene to middle Pleistocene Death Valley lakes and river systems as a test of pupfish (Cyprinodontidae) dispersal hypotheses
Knott, Jeffrey R.1; Machette, Michael N.2; Klinger, Ralph E.3; Sarna-Wojcicki, Andrei M.4; Liddicoat, Joseph C.5; Tinsley, John C., III4; David, Brian T.1,6; Ebbs, Veva M.1,6
通讯作者Knott, Jeffrey R.
会议名称Workshop on Geologic and Biotic Perspectives on Late Cenozoic Drainage History of the Southwestern Great Basin and Lower Colorado River Region
会议日期APR 12-15, 2005
会议地点CA
英文摘要

During glacial (pluvial) climatic periods, Death Valley is hypothesized to have episodically been the terminus for the Amargosa, Owens, and Mojave Rivers. Geological and biological studies have tended to support this hypothesis and a hydrological link that included the Colorado River, allowing dispersal of pupfish throughout southeastern California and western Nevada. Recent mitochondrial deoxyribonucleic acid (mtDNA) studies show a common pupfish (Cyprinodontidae) ancestry in this region with divergence beginning 3-2 Ma. We present tephrochronologic and paleomagnetic data in the context of testing the paleohydrologic connections with respect to the common collection point of the Amargosa, Owens, and Mojave Rivers in Death Valley during successive time periods: (1) the late Pliocene to early Pleistocene (3-2 Ma), (2) early to middle Pleistocene (1.2-0.5 Ma), and (3) middle to late Pleistocene (<0.7-0.03 Ma; paleolakes Manly and Mojave). Using the 3.35 Ma Zabriskie Wash tuff and 3.28 Ma Nomlaki Tuff Member of the Tuscan and Tehama Formations, which are prominent marker beds in the region, we conclude that at 3-2 Ma, a narrow lake occupied the ancient Furnace Creek Basin and that Death Valley was not hydrologically connected with the Amargosa or Mojave Rivers. A paucity of data for Panamint Valley does not allow us to evaluate an Owens River connection to Death Valley ca. 3-2 Ma. Studies by others have shown that Death Valley was not hydrologically linked to the Amargosa, Owens, or Mojave Rivers from 1.2 to 0.5 Ma. We found no evidence that Lake Manly flooded back up the Mojave River to pluvial Lake Mojave between 0.18 and 0.12 Ma, although surface water flowed from the Amargosa and Owens Rivers to Death Valley at this time. There is also no evidence for a connection of the Owens, Amargosa, or Mojave Rivers to the Colorado River in the last 3-2 m. y. Therefore, the hypothesis that pupfish dispersed or were isolated in basins throughout southeastern California and western Nevada by such a connection is not supported. Beyond the biologically predicted time frame, however, sparse and disputed data suggest that a fluvial system connected Panamint (Owens River), Death, and Amargosa Valleys, which could account for the dispersal and isolation before 3 Ma.


英文关键词Death Valley Lake Manly pupfish tephochrology
来源出版物LATE CENOZOIC DRAINAGE HISTORY OF THE SOUTHWESTERN GREAT BASIN AND LOWER COLORADO RIVER REGION: GEOLOGIC AND BIOTIC PERSPECTIVES
ISSN0072-1077
出版年2008
卷号439
页码1-26
EISBN978-0-8137-2439-3
出版者GEOLOGICAL SOC AMER INC
类型Proceedings Paper
语种英语
国家USA
收录类别CPCI-S
WOS记录号WOS:000271219900001
WOS关键词EASTERN MOJAVE DESERT ; MANLY() SHORELINES ; CALIFORNIA ; BASIN ; CHRONOLOGY
WOS类目Geology ; Geosciences, Multidisciplinary
WOS研究方向Geology
资源类型会议论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/297231
作者单位1.Calif State Univ Fullerton, Dept Geol Sci, Fullerton, CA 92834 USA;
2.US Geol Survey, Denver, CO 80225 USA;
3.US Bur Reclamat, Tech Serv Ctr, Denver, CO 80225 USA;
4.US Geol Survey, Menlo Pk, CA 94025 USA;
5.Columbia Univ Barnard Coll, Dept Environm Sci, New York, NY 10027 USA;
6.Calif State Univ Fullerton, Dept Geol Sci, Fullerton, CA 92834 USA
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Knott, Jeffrey R.,Machette, Michael N.,Klinger, Ralph E.,et al. Reconstructing late Pliocene to middle Pleistocene Death Valley lakes and river systems as a test of pupfish (Cyprinodontidae) dispersal hypotheses[C]:GEOLOGICAL SOC AMER INC,2008:1-26.
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