Mariana Trough, siliceous hydrothermal deposits
Western Pacific
Sediments
- Type
- Sediment
Siliceous black-smoker precipitates, among the lowest δ30Si measured by the laboratory; attributed to slow precipitation away from the vents. Site not precisely located: the source gives no coordinates.
δ30Si in ‰ (per mil) Values of the same system
Standard : NBS 28
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −1.6 ‰ | −3.1 / −0.4 ‰ | 23 | Second-hand data: -3.1 to -0.4 ‰, mean -1.6 ‰ (n = 23). Table 2 cites Wu Shiying (1992), the text Ding Tiping (1994). | Li et al. (1995), Experimental study of silicon isotope dynamic fractionation and its app… |
Deposits of the same type
- Pebble iron oxide precipitates United States
- Laohugou No. 12 Glacier cryoconite China
- Yuzhufeng Glacier cryoconite China
- Bayi Glacier cryoconite China
- Qiyi Glacier cryoconite China
- Yulong Snow Mountains glacier cryoconite China
- Hailuogou Glacier (Mount Gongga) cryoconite China
- Dangxiong Glacier cryoconite China
Cite this page
IsoFind Atlas (2026). Mariana Trough, siliceous hydrothermal deposits, isotope signatures. https://www.isofind.tech/isotopes/en/sites/bassin-arriere-arc-des-mariannes-depots-hydrothermaux-siliceux/ (accessed 2026-10-13).
@misc{isofind2026marianatroughsiliceoushydroth,
title = {Mariana Trough, siliceous hydrothermal deposits, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/sites/bassin-arriere-arc-des-mariannes-depots-hydrothermaux-siliceux/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13