“…where galena (PbS) and sphalerite (ZnS) were the main ores extracted (Ciccu et al, 2003;Wanty et al, 2013). The area is characterized by the presence of mine tailings containing high concentrations of PTEs (including As, Cd, Cu, Pb, Sb and Zn; .…”
Section: Soil Sampling and Experimental Set-upmentioning
“…where galena (PbS) and sphalerite (ZnS) were the main ores extracted (Ciccu et al, 2003;Wanty et al, 2013). The area is characterized by the presence of mine tailings containing high concentrations of PTEs (including As, Cd, Cu, Pb, Sb and Zn; .…”
Section: Soil Sampling and Experimental Set-upmentioning
“…Soil samples (upper 30 cm) were randomly collected from a 2 ha site neighbouring the decommissioned Montevecchio mine (SW Sardinia, Italy, N 39°40′29.71″; E 8°37′17.97″, Montevecchio-Levante), where galena (PbS) and sphalerite (ZnS) were extracted since ancient times (Manzano et al, 2020;Wanty et al, 2013). In this area, mine tailings containing high concentrations of PTEs (i.e.…”
“…Naracauli waters have pH values (6.9–8.4) near neutral to slightly alkaline. Along the stream, the peculiar precipitation of two biominerals is observed during the spring and summer seasons, namely hydrozincite, Zn 5 (CO 3 ) 2 (OH) 6 [3], [4], [5], and an amorphous Zn-silicate [6], [7], [8], [9], [10], making this area an distinctive system for the investigation of both water–rock interaction and geo–bio interaction processes.Fig. 1Map with the location of the sampling points in the Ingurtosu mining district.…”
This article contains analytical data on Rare Earth Elements (REE) concentration in waters and solid samples (mining wastes and biominerals) collected in an abandoned mining site characterized by near-neutral conditions, and they are related with the research article “Geochemistry of rare earth elements in water and solid materials at abandoned mines in SW Sardinia (Italy)” (Medas et al., 2013).REE can show specific signatures due to fractionation processes, giving an insight to the understanding of the natural processes ruling the water–rock interactions and the geo–bio-interactions. Most researches on REE behavior were performed in acidic environments, while only few data on REE are available for neutral waters. Elaboration of this dataset can be useful to evaluate the reactions controlling the geochemical behavior of REE under near-neutral to slightly alkaline conditions, driving the scientific community toward an efficient management of monitoring actions and remediation technologies.
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