Geomorphology and sediments of sand ramps in the Mojave desert

Lancaster, Nicholas; Tchakerian, Vatche P.

doi:10.1016/0169-555x(95)00101-a

Cited by 79 publications

(95 citation statements)

References 11 publications

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“…Layers and soil horizons within the ramp can be correlated to Holocene variations in the level of Dale Lake (Tchakerian. 1991;Lancaster and Tchakerian, 1996). A similar sand ramp has been built by the wind at Soldier Pass along the Mojave River, part of the Devil's Playground regional sand transport path that feeds sediments into the Kelso Dunes (#5).…”

Section: A Process-based View Of the Depositsmentioning

confidence: 99%

“…Sand from the Mojave River has blown across portions of the Cady Mountains and forms thick ramps against the mountains on their western (windward) side (Lancaster and Tchakerian, 1996). Mojave River sand also exits out of Silver Lake playa through the Devil's Playground and into the 170 m tall transverse ridges of the Kelso Dunes (Sharp.…”

Section: Mojave Desertmentioning

confidence: 99%

“…Pathways of active eolian sands result, and may extend many for many tens of kilometers. Sand will form ramps at topographic barriers along such a sand pathway (see Lancaster and Tchakerian, 1996); Table 9.1 includes two sites (#3 and #5) in such transport pathways.…”

Section: A Process-based View Of the Depositsmentioning

confidence: 99%

“…1995;W4). Sand deposits along these paths consist of a combination of sand sheets, sand ramps (see Lancaster and Tchakerian, 1996), and stabilized transverse ridges. Sediment studies show the sands are immature and geochemically distinct from the mature Colorado River sands , with indications of varied local sediment sources (Pease and Tchakerian, 2003).…”

Section: Mojave Desertmentioning

confidence: 99%

See 3 more Smart Citations

Eolian dunes and deposits in the western United States as analogs to wind-related features on Mars

Zimbelman¹,

Williams²

2007

The Geology of Mars

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Section: A Process-based View Of the Depositsmentioning

confidence: 99%

Section: Mojave Desertmentioning

confidence: 99%

Section: A Process-based View Of the Depositsmentioning

confidence: 99%

Section: Mojave Desertmentioning

confidence: 99%

See 2 more Smart Citations

Eolian dunes and deposits in the western United States as analogs to wind-related features on Mars

Zimbelman¹,

Williams²

2007

The Geology of Mars

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“…The Mojave Desert (southwest USA) preserves abundant evidence for Pleistocene palaeo-lakes 37 (Enzel et al, 2003) and relict aeolian deposits (Lancaster and Tchakerian, 1996) Rendell and Sheffer, 1996). Presently there are 41 conflicting ages between studies (e.g.…”

mentioning

confidence: 99%

Testing post-IR IRSL luminescence dating methods in the southwest Mojave Desert, California, USA

Carr

Hay

Powell

et al. 2019

Quaternary Geochronology

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13The Mojave Desert presents an array of Pleistocene lacustrine deposits and aeolian landforms to 14 which, at times, it has proved challenging to apply luminescence methods. We tested the suitability 15 of K-feldspar post-IR IRSL methods using two sites with independent radiocarbon dating -shorelines 16 at Harper Lake and Silver Lake -considering: 1) overall performance of the post-IR IRSL 225°C 17 (pIRIR225) protocol, 2) effect of test dose size on pIRIR225 De, 3) anomalous fading correction of 18 pIRIR225 ages; 4) preliminary single grain pIRIR225 results. 19We observe consistently good performance of the single aliquot pIRIR225 protocol, with good dose 20 recovery, acceptable recycling ratios, low recuperation and low inter-aliquot scatter. The pIRIR225 21 ages for Silver Lake (8.8 ± 0.4 and 11.3 ± 0.5 ka) and Harper Lake (both 25.4 ± 1.4 ka) are in 22 substantially better agreement with the independent dating than low temperature (50°C) IRSL and 23 quartz OSL ages. pIRIR225 fading rates are reduced to ~2.0-2.5% per decade, but there remains a 24 tendency for under-estimation when using uncorrected ages. A need for fading correction is further 25 implied at Harper Lake via comparison with multi-elevated temperature (MET)-PIR age plateaus and 26 pIRIR290 measurements, although at the younger Silver lake site these methods produce ages nearly 27 identical to the uncorrected pIRIR225 ages.

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Dune Palaeoenvironments

Thomas

2019

Aeolian Geomorphology

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Geomorphology and sediments of sand ramps in the Mojave desert

Cited by 79 publications

References 11 publications

Eolian dunes and deposits in the western United States as analogs to wind-related features on Mars

Eolian dunes and deposits in the western United States as analogs to wind-related features on Mars

Testing post-IR IRSL luminescence dating methods in the southwest Mojave Desert, California, USA

Dune Palaeoenvironments

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