El Sancho reservoir

Huelva, Spain

Rivers and surface water

Type
River or surface water

Reservoir fed by the Meca River. Despite large variations in copper concentration, the isotopic signature stays the same through the whole water column, down to 28 m.

δ65Cu in ‰ (per mil) Values of the same system

Standard : NIST SRM 976

ValueRangenMineral or matrixSource
−0.46 ± 0.03 ‰−0.51 / −0.39 ‰11filtered water (< 0.22 µm)
June 2017, water column mean (11 depths).
Viers et al. (2023), The use of copper isotopes for understanding metal transfer mechanis…
−0.39 ‰filtered water (< 0.22 µm)
January 2018, surface water.
Viers et al. (2023), The use of copper isotopes for understanding metal transfer mechanis…
−0.81 ‰bank sediment
Bank sediment (muscovite, quartz, vermiculite).
Viers et al. (2023), The use of copper isotopes for understanding metal transfer mechanis…

Deposits of the same type

Cite this page

IsoFind Atlas (2026). El Sancho reservoir, isotope signatures. https://www.isofind.tech/isotopes/en/sites/lac-du-barrage-d-el-sancho/ (accessed 2026-10-06).

@misc{isofind2026elsanchoreservoirisotopesigna,
  title = {El Sancho reservoir, isotope signatures},
  author = {{IsoFind Atlas}},
  year = {2026},
  url = {https://www.isofind.tech/isotopes/en/sites/lac-du-barrage-d-el-sancho/},
  note = {Accessed 2026-10-06}
}

Updated : 2026-10-06