2003
DOI: 10.1016/s0016-7037(02)01175-4
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Isotopic evidence for the source of Ca and S in soil gypsum, anhydrite and calcite in the Atacama Desert, Chile

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Cited by 167 publications
(182 citation statements)
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“…The lower δ 34 S values correspond to Panul and Las Vertientes springs, with respective values of 7.7 and 8.4‰. The light contribution can be explained by the addition of isotopically light (δ 34 S between 7 and 16‰) gaseous atmospheric S, which is relatively more important the lower the salinity is The δ 34 S in the spring waters are very close to the values measured by Rech et al (2003) in sulfate-containing soils in the Cordillera de la Costa, +16.6‰ to +18.3‰, whose origin is attributed to atmospheric aerosol deposition on the ground. The alignement of points in figure 3A, except for Las Vertientes spring, is apparent since the Cl scale is logarithmic, but points to a non-marine S contribution of about 7 to 8%.…”
Section: O Of Dissolved Sulfate In Spring Watersupporting
confidence: 73%
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“…The lower δ 34 S values correspond to Panul and Las Vertientes springs, with respective values of 7.7 and 8.4‰. The light contribution can be explained by the addition of isotopically light (δ 34 S between 7 and 16‰) gaseous atmospheric S, which is relatively more important the lower the salinity is The δ 34 S in the spring waters are very close to the values measured by Rech et al (2003) in sulfate-containing soils in the Cordillera de la Costa, +16.6‰ to +18.3‰, whose origin is attributed to atmospheric aerosol deposition on the ground. The alignement of points in figure 3A, except for Las Vertientes spring, is apparent since the Cl scale is logarithmic, but points to a non-marine S contribution of about 7 to 8%.…”
Section: O Of Dissolved Sulfate In Spring Watersupporting
confidence: 73%
“…3B), except for Las Vertientes spring, and point to the same non-marine value of δ 34 S. The increase in sulfate content is due to higher marine sulfate contribution. The relatively δ 34 S light value of Las Vertientes spring agrees with that of soil sulfate in inland basins, between 5 and 8‰ and whose origin is attributed to atmospheric dust inputs that have accumulated for millennia in the desert (Rech et al, 2003;Michalski et al, 2004;Ewing et al, 2006Ewing et al, , 2008. The low δ 34 S value of Panul spring (+7.7‰) approaches the non-marine atmospheric value and shows a small marine influence.…”
Section: O Of Dissolved Sulfate In Spring Watermentioning
confidence: 62%
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“…Since the discovery of submarine hydrothermal 41 vents the marine strontium isotope record has generally been interpreted and modeled as a 42 drainage regions remains poorly defined and, thus far, has had to be approximated through 48 comparison of similarities in bedrock characteristics with better-characterized drainage areas 49 (Palmer and Edmond, 1989). we could not find any published Sr isotope analysis of waters draining this region, only a 57 87 Sr/ 86 Sr value of 0.7075 for hydrous precipitates in Atacama Desert soils (Rech et al, 2003). 58…”
Section: Introduction 34mentioning
confidence: 69%
“…Desde hace algunos años varios investigadores (e.g., Grosjean et al, 1997;Latorre et al, 2006;Muñoz et al, 1997;Rech et al, 2002Rech et al, , 2003aRech et al, , 2003b han dirigido su atención al cambio climático en la zona. Por ejemplo, Grosjean et al (1997) demostraron que entre 6200 y 3100 años antes del presente (a.P.)…”
Section: El áRea Arqueológica De Ramaditas Introducciónunclassified