Geomorphic and hydrologic implications of the rapid incision of Afton Canyon, Mojave Desert, California

Meek, Norman

doi:10.1130/0091-7613(1989)017<0007:gahiot>2.3.co;2

Cited by 73 publications

(53 citation statements)

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“…By the last full glacial episode, the increased precipitation generated greater water flow into a dammed Mojave River. While the terminus of this closed-basin river oscillated between Harper and Manix lakes, hydrological force eventually became sufficient to cut through Afton Canyon (between the Cave and Cady Mountains), perhaps episodically starting at 18 Ka Jefferson, 2003), but certainly flow was continuous by 14-11 Ka (Meek, 1989;Anderson and Wells, 2003). Flow of the river east of Afton Canyon ended into a new series of low valleys including Cronese, Silver and Soda lakes .…”

Section: Intraspecific Evolution: Sympatric Maternal Lineagesmentioning

confidence: 96%

Conservation genetics, evolution and distinct population segments of the Mojave fringe-toed lizard, Uma scoparia

Murphy

Trépanier

Morafka

2006

Journal of Arid Environments

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Section: Intraspecific Evolution: Sympatric Maternal Lineagesmentioning

confidence: 96%

Conservation genetics, evolution and distinct population segments of the Mojave fringe-toed lizard, Uma scoparia

Murphy

Trépanier

Morafka

2006

Journal of Arid Environments

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“…During the period directly after the draining of Lake Manix (24 ka to 14 ka; Reheis and Redwine, 2008), there is some evidence of periodic diversion of flow from the Mojave River both into Troy and Coyote Lake (e.g. Meek, 1989;2004), with the latter matching periods in which Lake Mojave levels were known to fluctuate (e.g. Wells et al, 2003;Miller et al, 2010).…”

Section: Settingmentioning

confidence: 99%

“…The ramp is also truncated at its western end by a terrace (Line F in Fig. 3; possibly the 543 m Lake Manix shoreline of Meek, 1989). The Soldier Mountain sand ramp has been worked as a quarry thereby revealing internal stratigraphy.…”

Section: Settingmentioning

confidence: 99%

On the formation of sand ramps: A case study from the Mojave Desert

et al. 2012

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Article available under the terms of the CC-BY-NC-ND licence (https://creativecommons.org/licenses/by-nc-nd/4.0/) eprints@whiterose.ac.uk https://eprints.whiterose.ac.uk/ Reuse Unless indicated otherwise, fulltext items are protected by copyright with all rights reserved. The copyright exception in section 29 of the Copyright, Designs and Patents Act 1988 allows the making of a single copy solely for the purpose of non-commercial research or private study within the limits of fair dealing. The publisher or other rights-holder may allow further reproduction and re-use of this version -refer to the White Rose Research Online record for this item. Where records identify the publisher as the copyright holder, users can verify any specific terms of use on the publisher's website. TakedownIf you consider content in White Rose Research Online to be in breach of UK law, please notify us by emailing eprints@whiterose.ac.uk including the URL of the record and the reason for the withdrawal request. Bateman et al. (2012) as published in Geomorphology, 161-162, 93-162. doi:10.1016/j.geomorph.2012.04.004 On the formation of sand ramps: A case study from the Mojave Desert This is an author produced version of a paper which was subsequently published in Geomorphology. This paper has been peer-reviewed but does not contain final published proof-corrections or journal pagination. AbstractSand ramps are dune-scale sedimentary accumulations found at mountain fronts and consist of a combination of aeolian sands and the deposits of other geomorphological processes associated with hillslope and fluvial activity. Their complexity and their construction by wind, water and mass movement means that sand ramps potentially hold a very rich store of palaeoenvironmental information. However, before this potential can be realised a full understanding of their formation is necessary. This paper aims to provide a better understanding of the principal factors influencing the development of sand ramps. It reviews the stratigraphic, chronometric and sedimentological evidence relating to the past development of sand ramps, focussing particularly on Soldier Mountain sand ramp in the Mojave Desert, as well as using observations of the modern movement of slope material to elucidate the formation of stone horizons within sand ramps.Findings show that sand ramps cannot easily be interpreted in terms of a simple model of fluctuating palaeoenvironmental phases from aeolian dominated to soil/fluvial dominated episodes. They accumulate quickly (perhaps in b5 ka), probably in a single phase before becoming relict. Based on the evidence from Soldier Mountain, they appear strongly controlled by a 'window of opportunity' when sediment supply is plentiful and cease to develop when this sediment supply diminishes and/or the accommodation space is filled up. Contemporary observations of stone movement both on rock and sandy sloping surfaces in the Mojave region indicate movement rates in the order of 0.6 and 11mm yr−1, which is insufficiently fast to explain ho...

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“…We strongly disagree with this interpretation. Brown and Rosen (1995;see also Smith, 1991a,b) pointed out that 19 cores and 13 boreholes have been drilled into the Silver/Soda Lake playas since the Muessig et al (1957) publication, and all have found only one basinwide lacustrine event between 3 and 36 m. This single, geologically recent lacustrine episode is also supported by Meek (1989), who showed that the Mojave River has discharged into the Silver/Soda Lake basin only since the latest Pleistocene. Hooke (1999) offered no data (e.g., ostracodes or age determinations) to refute the conclusions that only a late Pleistocene lake occupied the Silver/Soda basin, nor did he offer age control regarding the depth at which deposits equivalent to the Blackwelder stand are found in Silver/ Soda Lake basin.…”

mentioning

confidence: 82%

Is There Any Evidence of Mega-Lake Manly in the Eastern Mojave Desert during Oxygen Isotope Stage 5e/6? A Comment on Hooke, R. L. (1999). Lake Manly(?) Shorelines in the Eastern Mojave Desert, California, Quaternary Research52, 328–336

et al. 2002

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Geomorphic and hydrologic implications of the rapid incision of Afton Canyon, Mojave Desert, California

Cited by 73 publications

References 0 publications

Conservation genetics, evolution and distinct population segments of the Mojave fringe-toed lizard, Uma scoparia

Conservation genetics, evolution and distinct population segments of the Mojave fringe-toed lizard, Uma scoparia

On the formation of sand ramps: A case study from the Mojave Desert

Is There Any Evidence of Mega-Lake Manly in the Eastern Mojave Desert during Oxygen Isotope Stage 5e/6? A Comment on Hooke, R. L. (1999). Lake Manly(?) Shorelines in the Eastern Mojave Desert, California, Quaternary Research52, 328–336

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