Yangtze, Three Gorges (Wanxian to Yichang)
Yangtze basin, China
Rivers and surface water
- Type
- River or surface water
Main channel of the Yangtze sampled from 14 to 22 July 1996 (high water). Dissolved silicon 97 to 121 µmol/L, suspended matter with 52 to 57 % SiO2; dissolved silicon is heavier than suspended matter by 1.0 to 3.7 ‰. Steep gorge reach, down to below the Gezhouba dam. Indicative coordinates (middle of the reach).
δ30Si in ‰ (per mil) Values of the same system
Standard : NBS 28
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 2.52 ± 0.62 ‰ | 2 / 3.2 ‰ | 4 | filtered river water (dissolved silicon) Mean and standard deviation recalculated from 4 values. Stations YZ-05 to YZ-08, dissolved silicon; whole-river mean +2.13 ‰ (n = 17). | Ding et al. (2004), Silicon isotope compositions of dissolved silicon and suspended matte… |
| −0.28 ± 0.17 ‰ | −0.5 / −0.1 ‰ | 4 | suspended particulate matter Mean and standard deviation recalculated from 4 values. Stations YZ-05 to YZ-08, suspended matter; whole-river mean -0.34 ‰ (n = 17). | Ding et al. (2004), Silicon isotope compositions of dissolved silicon and suspended matte… |
Deposits of the same type
- Middle Yangtze (Jingsha to Jiujiang) China
- Yangtze River (Changjiang) China
- Upper Yangtze (Yibin to Fuling) China
- Caiyuan river (little affected by mining) China
- Fanjia river downstream of Niujiaotang China
- River downstream of the Fanjia-Caiyuan confluence (Xiaozhaizi) China
- Hengshi River and tributaries, middle and lower reaches (sites 5 to 13) China
- Longnan granitic catchment (Nanling belt) China
Cite this page
IsoFind Atlas (2026). Yangtze, Three Gorges (Wanxian to Yichang), isotope signatures. https://www.isofind.tech/isotopes/en/sites/yangtse-trois-gorges-de-wanxian-a-yichang/ (accessed 2026-10-13).
@misc{isofind2026yangtzethreegorgeswanxiantoyi,
title = {Yangtze, Three Gorges (Wanxian to Yichang), isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/sites/yangtse-trois-gorges-de-wanxian-a-yichang/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13