2013
DOI: 10.1016/j.geomorph.2012.09.011
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Aeolian microtextures in silica spheres induced in a wind tunnel experiment: Comparison with aeolian quartz

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Cited by 89 publications
(71 citation statements)
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“…However, several studies (e.g., Williams et al 1998;Mahaney 2002;Peterknecht and Tietz 2011;Udayaganesan et al 2011;Costa et al 2012;Costa et al 2013;Vos et al 2014;Bellanova et al 2016) demonstrate progress in the application of this methodology by applying semi-quantitative approaches and developing stronger links with geological processes to confirm microtexture analysis as a technique of considerable utility, particularly in provenance studies.…”
Section: Microtextural Mechanical Imprints and Their Association Withmentioning
confidence: 99%
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“…However, several studies (e.g., Williams et al 1998;Mahaney 2002;Peterknecht and Tietz 2011;Udayaganesan et al 2011;Costa et al 2012;Costa et al 2013;Vos et al 2014;Bellanova et al 2016) demonstrate progress in the application of this methodology by applying semi-quantitative approaches and developing stronger links with geological processes to confirm microtexture analysis as a technique of considerable utility, particularly in provenance studies.…”
Section: Microtextural Mechanical Imprints and Their Association Withmentioning
confidence: 99%
“…Following the work of Krinsley and Wellendorf (1980), Willetts and Rice (1986) and Lindé and MycielskaDowgiallo (1980), Costa et al (2013) conducted a wind-tunnel experiment, using glass spheres (> 70% SiO2) as a proxy for quartz, with the objective of determining the extent of mechanical damage to silica transported in a mixture with quartz beach sand. The experiment proved that aeolian transport over short distances and during a relatively short period of time is enough to imprint significant abrasion on microspheres, leading to polished surfaces in some cases.…”
Section: Microtextural Mechanical Imprints and Their Association Withmentioning
confidence: 99%
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“…The quartz grain mor phol ogy re lates to the mode of transpor ta tion, dis tance from source, and tim ing, but it is equally a func tion of the orig i nal grain shape in the par ent rock (Mahaney et al, 2001;Kleesment, 2009;Costa et al, 2013;Kaliñska and Nartišs, 2014;Vos et al, 2014). In this study, a pre lim i nary analy sis of the round ness of quartz sand grains and the char ac ter of their sur face com bined with min er al og i cal com po si tion open up great op por tu ni ties for fu ture work at higher res o lu tion.…”
Section: Palaeoenvironmental Identification Of Quartz Grainsmentioning
confidence: 99%
“…Tito autoři uvádí průměrnou velikost zrn 0,3-0,7 mm, kdy již dochází k pohybu částic většinou povrchovým krípem, přičemž nejsnadněji se při větrném proudění pohybují saltací písečná zrna o průměru 0,1-0,3 mm. Costa et al (2013) srovnávají kře-menná zrna opracovávaná v experimentálním tunelu s eolickými zrny křemene z pobřežní duny. Přicházejí na to, že i poměrně malá vzdálenost transportu v poměrně malém ča-sovém úseku, zanechává na zrnech výrazné mikrotextury.…”
Section: Diskuzeunclassified