Spiekeroog freshwater lens, well 30
Lower Saxony, Germany
Groundwater
- Type
- Groundwater
Spiekeroog Island (East Frisian Islands, North Sea). OOWV drinking-water well in the island freshwater lens (aeolian and beach sands); coordinates from Table 1.
δ30Si in ‰ (per mil) Values of the same system
Standard : NBS 28
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 1.04 ± 0.02 ‰ | 1.02 / 1.05 ‰ | 2 | fresh groundwater Mean and standard deviation recalculated from 2 samples. Levels A and B (freshwater, 136-736 µM silicon). Homogeneous lens δ30Si: 1.04 ± 0.15 ‰ according to the authors. | Ehlert et al. (2016), Transformation of silicon in a sandy beach ecosystem: Insights from… |
| 0.72 ‰ | 1 | deep saline groundwater 30-C, 63 m, salinity 25.3: brackish to saline water below the clay layer, lighter. | Ehlert et al. (2016), Transformation of silicon in a sandy beach ecosystem: Insights from… |
Deposits of the same type
- Spiekeroog beach, subterranean estuary (stations 0 to 5) Germany
- Spiekeroog freshwater lens, well 27 Germany
- Coal-mine tip, site 2 (confined chalk aquifer) France
- Coal-mine tip, site 1 (unconfined chalk aquifer) France
- Viviez tailings percolating waters France
- Ayagh Bolaghi spring (Zarshuran mine) Iran
- Takht-e Soleiman and Ahmadabad hot springs Iran
- Cold springs of the Angouran area Iran
Cite this page
IsoFind Atlas (2026). Spiekeroog freshwater lens, well 30, isotope signatures. https://www.isofind.tech/isotopes/en/sites/lentille-d-eau-douce-de-spiekeroog-puits-30/ (accessed 2026-10-13).
@misc{isofind2026spiekeroogfreshwaterlenswell3,
title = {Spiekeroog freshwater lens, well 30, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/sites/lentille-d-eau-douce-de-spiekeroog-puits-30/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13