Paddy fields along the Fanjia river
Duyun, Qiannan, Guizhou, China
Soils
- Type
- Soil
Niujiaotang zinc mine, mined on a large scale, in carbonate karst terrain. Waters stay alkaline (pH 8.6 to 9.0): mine drainage matters little, anthropogenic zinc mainly travelling with fine tailings dust dispersed by wind (19.5 % on average). Paddy soils of sites 1 to 8 (except 3), zinc from 6.9 to 0.3 g/kg away from the mine; local fertiliser at 0.01 ‰ and very poor in zinc. Indicative coordinates.
δ66Zn in ‰ (per mil) Values of the same system
Standard : IRMM-3702
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −0.28 ± 0.04 ‰ | −0.33 / −0.2 ‰ | 7 | Mean and standard deviation recalculated from 7 samples, Table 4. Input mainly by wind from the tailings. | Xia et al. (2020), Zinc isotope revealing zinc's sources and transport processes in karst… |
Deposits of the same type
- Paddy soil profiles around Niujiaotang China
- Huaxi control site soils China
- Qingzhen power plant soils China
- Wanshan mercury mine soils China
- Hezhang artisanal zinc smelting area soils China
- Soils and sediments of the artisanal zinc smelting region (Guizhou) China
- Regional background soils north-east of Jinding China
- Agricultural soils north-east of the Jinding mine China
Cite this page
IsoFind Atlas (2026). Paddy fields along the Fanjia river, isotope signatures. https://www.isofind.tech/isotopes/en/sites/rizieres-le-long-de-la-riviere-fanjia/ (accessed 2026-10-13).
@misc{isofind2026paddyfieldsalongthefanjiarive,
title = {Paddy fields along the Fanjia river, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/sites/rizieres-le-long-de-la-riviere-fanjia/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13