Grain size characteristics of dune sands in the central Taklimakan Sand Sea

Wang, Xunming; Dong, Zhibao; Zhang, Jiawu; Qu, Jianjun; Zhao, Aiguo

doi:10.1016/s0037-0738(02)00380-9

Cited by 75 publications

(49 citation statements)

References 22 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…7A) is rarely found in aeolian deposits. It is characteristic of areas with considerable wind dynamics (Sarre & Chancey, 1990;Besler, 1996;Wang et al, 2003). It has also been referred to sediments derived from wash-out on slopes (Twardy, 2004).…”

Section: The First Co-ordinate Systemmentioning

confidence: 99%

Alternative interpretations of grain-size data from Quaternary deposits

Mycielska-Dowgiałło¹,

Ludwikowska-Kędzia²

2011

Geologos

View full text Add to dashboard Cite

Several possibilities to present and to interpret the results of granulometric analyses of Quaternary fluvial, aeolian, glacial and wash-out slope deposits were investigated. Attention is paid particularly to the cumulative curves at a probability scale and the frequency curves, and it is shown how these curves can help to determine the sedimentary environment. The inclination of the cumulative curves in the part of the maximum proportion of a particular grain size appears significant. It appears possible to obtain information on the density and dynamics of the transporting medium from the course of the cumulative curves (inclination and spread of grain size).The examination of textural parameters allows to draw regression lines characteristic of both deposits from various sedimentary environments and deposits from one single environment but with different histories as to their transport dynamics.

show abstract

Section: The First Co-ordinate Systemmentioning

confidence: 99%

Alternative interpretations of grain-size data from Quaternary deposits

Mycielska-Dowgiałło¹,

Ludwikowska-Kędzia²

2011

Geologos

View full text Add to dashboard Cite

show abstract

“…At present, three models are used to describe mean grain-size patterns for desert sand dune sediments: finer crest, coarser crest, and no difference (Lancaster, 1986;Livingstone and Warren, 1996). Studies on sediment grain size and distribution on dune surfaces have included reversing dunes (Lancaster et al, 2002), crescent dunes (Ahlbrandt, 1979;Qian et al, 2011), transverse dunes (Ha and Wang, 1996;Qian et al, 2011), dune networks (Ha, 1998;Ha et al, 1999), echo dunes (Qian et al, 2012), and linear dunes (Lancaster, 1986;Wang et al, 2003). Many studies have focused on grain size and distribution in sand seas such as China's Taklimakan Sand Sea (Wang et al, 2003), Tengger Desert (Ha and Wang, 1996), Kumutagh Desert , Badain Jaran , and Ejina desert basin , and in southern Africa's Namib Desert (Lancaster, 1995) and Kalahari Desert (Thomas, 1988).…”

Section: Introductionmentioning

confidence: 99%

Grain size characteristics in the Hexi Corridor Desert

Zhang

Dong

2015

Aeolian Research

Self Cite

View full text Add to dashboard Cite

“…Grain size variations in desert and coastal sand dunes have been commonly used to understand transport and depositional mechanisms (Wang et al 2003). Poorly to moderately sorted sand dunes occur within a short transport distance and close proximity to the source area of sediments (Blount and Lancaster 1990).…”

Section: Introductionmentioning

confidence: 99%

Sedimentological, mineralogical, and geochemical characterization of sand dunes in Saudi Arabia

Benaafi

Abdullatif

2015

Arab J Geosci

View full text Add to dashboard Cite

This paper investigates the morphology, texture, composition, mineralogy, and geochemistry, and provenance of sand dunes from 10 locations in Saudi Arabia. Morphologically, these sand dunes include linear, parallel to subparallel ridge, parabolic, barchans, and star sand dunes. Sixty-seven samples were collected from these different sand dune types. Generally, sands from dunes in all locations were characterized by fine to coarse mean grain size, were moderately sorted, and had near symmetrical skewness with mesokurtic distribution. Skewness and mesokurtic distribution characterize sand dunes in most locations except the Red Sea, Qassim, central Arabia, and the Eastern Province where sand dunes all show of subangular grains. The sand dunes are composed of quartz, feldspar, calcite, and mica. Quartz dominates the mineralogy of all sand dunes, although significant amounts of feldspars and mica are found in Najran, the Red Sea, and Central Arabia. While calcite is present in sand dunes at Sakaka and NW Rub' Al-Khali. Basement-related sand dunes at Najran (N1), central Arabia (C5), and the Red Sea are mineralogically submature. However, nonbasement sand dunes at other locations are mature. Both petrographic and geochemical analyses of sand dunes indicated that most sand dunes are classified as quartz arenite, except in the basement-related sand dunes at Najran (N1), central Arabia (C5), and the Red Sea, where they range from subarkose to litharenite. Moreover, major, trace, and rare earth elements indicated an active continental margin tectonic setting for sand dunes from the Red Sea, basementrelated Najran (N1), and central Arabia (C5) sand dunes, and passive continental margins for the other locations.

show abstract

Grain size characteristics of dune sands in the central Taklimakan Sand Sea

Cited by 75 publications

References 22 publications

Alternative interpretations of grain-size data from Quaternary deposits

Alternative interpretations of grain-size data from Quaternary deposits

Grain size characteristics in the Hexi Corridor Desert

Sedimentological, mineralogical, and geochemical characterization of sand dunes in Saudi Arabia

Contact Info

Product

Resources

About