Rare earth elements in the sediments of Lake Baikal

Variability of trace element uptake in marine reptile bones from three Triassic sites (S Poland): Influence of diagenetic processes on the host rock and significance of the applied methodology

“…These observations of natural REE behaviour in the presence of Fe oxyhydroxides complement experimental studies (Bau, 1999;Kawabe et al, 1999;Kawabe, 2000, 2001;Davranche et al, 2004;Quinn et al, 2004Quinn et al, , 2006aQuinn et al, , 2007Quinn et al, 2006b;Verplanck et al, 2004). Further, trivalent Fe can be reduced to its divalent form due to a lowered redox potential, and the subsidiary effect of partial or total dissolution of Fe oxyhydroxides is release of the previously absorbed trace elements into ambient solutions (e.g., Sholkovitz et al, 1992;Davranche et al, 2004;Haley et al, 2004;Nedel et al, 2010;Suarez et al, 2010;Och et al, 2014). As reported by Haley et al (2004), the dissolution of Fe precipitates can produce a The plot model after Bau and Dulski (1996).…”

Anthropogenic impact in the Maya Lowlands of Petén, Guatemala, during the last 5500 years

“…The minimum and maximum REE concentrations, mean and corresponding SD, are reported in Table . The ΣREE (cerium included) ranges from 56 to 133 μg g −1 , showing concentrations similar to ΣREEs in other lakes, such as Lake Rhino (China) (24−103 μg g −1 ) (Wen et al , ), Lake Baikal (Russia) (65–240 μg g −1 ) (Och et al , ) and Lake Acigög (Turkey) (9–99 μg g −1 ) (Budakoglu et al ., ).…”

Organic-matter accumulation of the lacustrine Lunpola oil shale, central Tibetan Plateau: Controlled by the paleoclimate, provenance, and drainage system

“…The cerium anomaly log (Fig. 3) also shows more negative values in the lower part and more positive values in the upper part, suggesting a shift to more oxic conditions probably caused by aridity (Och et al, 2014;Wright et al, 1987). Even though DeCelles et al (2007) argued for arid paleoclimate in the Nima area at 26 Sun et al (2014b) got the same result at the Lunpola area based on paleolake condition and regional comparison, neither gave the consequent evolution of the paleoclimate.…”