Guadeloupe, eastern slope sequence (Basse-Terre)
Guadeloupe, France
Soils
- Type
- Soil
Soils on andesite (δ30Si -0.23 ‰) of Basse-Terre, under banana cultivation; coordinates not given. Windward slope, very rainy (5000-2500 mm/yr): strongly desilicated soils.
δ30Si in ‰ (per mil) Values of the same system
Standard : NBS 28
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −0.92 ‰ | 1 | bulk soil (< 2 mm), Moïse perhydrated Andosol (424 m, 4764 mm/yr, gibbsite and allophane) Moïse perhydrated Andosol (424 m, 4764 mm/yr, gibbsite and allophane), bulk soil, about ± 0.1 ‰ (2 SD). | Opfergelt et al. (2012), Silicon isotopes and the tracing of desilication in volcanic soi… | |
| −1.32 ‰ | 1 | clay fraction (< 2 um), Moïse perhydrated Andosol (424 m, 4764 mm/yr, gibbsite and allophane) Moïse perhydrated Andosol (424 m, 4764 mm/yr, gibbsite and allophane), clay fraction, lighter than the soil and the andesite. | Opfergelt et al. (2012), Silicon isotopes and the tracing of desilication in volcanic soi… | |
| −0.81 ‰ | 1 | bulk soil (< 2 mm), Neufchateau Andosol (274 m, 3916 mm/yr) Neufchateau Andosol (274 m, 3916 mm/yr), bulk soil, about ± 0.1 ‰ (2 SD). | Opfergelt et al. (2012), Silicon isotopes and the tracing of desilication in volcanic soi… | |
| −1.44 ‰ | 1 | clay fraction (< 2 um), Neufchateau Andosol (274 m, 3916 mm/yr) Neufchateau Andosol (274 m, 3916 mm/yr), clay fraction, lighter than the soil and the andesite. | Opfergelt et al. (2012), Silicon isotopes and the tracing of desilication in volcanic soi… | |
| −1.44 ‰ | 1 | bulk soil (< 2 mm), Changy Nitisol (32 m, 2549 mm/yr, halloysite and Fe oxides) Changy Nitisol (32 m, 2549 mm/yr, halloysite and Fe oxides), bulk soil, about ± 0.1 ‰ (2 SD). | Opfergelt et al. (2012), Silicon isotopes and the tracing of desilication in volcanic soi… | |
| −1.9 ‰ | 1 | clay fraction (< 2 um), Changy Nitisol (32 m, 2549 mm/yr, halloysite and Fe oxides) Changy Nitisol (32 m, 2549 mm/yr, halloysite and Fe oxides), clay fraction, lighter than the soil and the andesite. | Opfergelt et al. (2012), Silicon isotopes and the tracing of desilication in volcanic soi… |
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- Wetland downstream of the Ty Gallen mine France
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- 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, eastern slope sequence (Basse-Terre), isotope signatures. https://www.isofind.tech/isotopes/en/sites/guadeloupe-sequence-du-versant-est-basse-terre/ (accessed 2026-10-13).
@misc{isofind2026guadeloupeeasternslopesequenc,
title = {Guadeloupe, eastern slope sequence (Basse-Terre), isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/sites/guadeloupe-sequence-du-versant-est-basse-terre/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13