Guadeloupe, western slope sequence (Basse-Terre)
Guadeloupe, France
Soils
- Type
- Soil
Soils on andesite (δ30Si -0.23 ‰) of Basse-Terre, under banana cultivation; coordinates not given. Leeward slope, the least rainy (3200-850 mm/yr): little desilicated soils.
δ30Si in ‰ (per mil) Values of the same system
Standard : NBS 28
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −0.31 ‰ | 1 | bulk soil (< 2 mm), Grand Marigot Andosol (470 m, 3444 mm/yr, allophane) Grand Marigot Andosol (470 m, 3444 mm/yr, allophane), bulk soil, about ± 0.1 ‰ (2 SD). | Opfergelt et al. (2012), Silicon isotopes and the tracing of desilication in volcanic soi… | |
| −1.05 ‰ | 1 | clay fraction (< 2 um), Grand Marigot Andosol (470 m, 3444 mm/yr, allophane) Grand Marigot Andosol (470 m, 3444 mm/yr, allophane), clay fraction, lighter than the soil and the andesite. | Opfergelt et al. (2012), Silicon isotopes and the tracing of desilication in volcanic soi… | |
| −0.25 ‰ | 1 | bulk soil (< 2 mm), Belle Vue Cambisol (222 m, 1931 mm/yr, halloysite and smectite) Belle Vue Cambisol (222 m, 1931 mm/yr, halloysite and smectite), bulk soil, about ± 0.1 ‰ (2 SD). | Opfergelt et al. (2012), Silicon isotopes and the tracing of desilication in volcanic soi… | |
| −0.99 ‰ | 1 | clay fraction (< 2 um), Belle Vue Cambisol (222 m, 1931 mm/yr, halloysite and smectite) Belle Vue Cambisol (222 m, 1931 mm/yr, halloysite and smectite), clay fraction, lighter than the soil and the andesite. | Opfergelt et al. (2012), Silicon isotopes and the tracing of desilication in volcanic soi… |
Deposits of the same type
- Wetland downstream of the Ty Gallen mine France
- Soils near the Perkoa gossan Burkina Faso
- Distal soils of the Perkoa area Burkina Faso
- Barren ferruginous crust of the Perkoa area Burkina Faso
- Wanshan mercury mine soils China
- Hezhang artisanal zinc smelting area soils China
- Qingzhen power plant soils China
- Huaxi control site soils China
Cite this page
IsoFind Atlas (2026). Guadeloupe, western slope sequence (Basse-Terre), isotope signatures. https://www.isofind.tech/isotopes/en/sites/guadeloupe-sequence-du-versant-ouest-basse-terre/ (accessed 2026-10-13).
@misc{isofind2026guadeloupewesternslopesequenc,
title = {Guadeloupe, western slope sequence (Basse-Terre), isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/sites/guadeloupe-sequence-du-versant-ouest-basse-terre/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13