Eastern Mediterranean, detrital sediments (DSDP 125, 128, 130, 374, 378 and ODP 971 cores, box cores)
Eastern Mediterranean
Sediments
- Type
- Sediment
Sediments mixing Nile silt (εNd about -2.6) and Saharan dust (εNd about -13.8), variably enriched in zircon and Fe-Ti oxides by hydrodynamic sorting (Klaver et al., 2015 and 2021). Box cores at 33.13° N 23.00° E, 32.75° N 29.00° E and 31.88° N 29.41° E; drill-site positions not published in the paper. End-members from regression (Klaver et al., 2021, Table 2): Saharan dust δ49Ti +0.266 (+0.044/-0.024) ‰ and δ94/90Zr +0.037 ‰, Nile sediment δ49Ti +0.153 (+0.015/-0.020) ‰ and δ94/90Zr +0.009 ± 0.010 ‰. Hydrodynamic sorting of Fe-Ti oxides shifts δ49Ti by less than 0.03 ‰ within a group. Vilela et al. (2025): Nile sediments upstream of the delta (Lake Qarun, +0.149 ± 0.019 ‰, 2SE) are already as heavy as the group with the least Saharan dust (+0.172 ± 0.005 ‰); sorting in the delta is therefore not needed to explain these values, contrary to the hypothesis of Klaver et al. (2021).
δ49Ti in ‰ (per mil) Values of the same system
Standard : OL-Ti
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 0.22 ± 0.018 ‰ | 0.186 / 0.242 ‰ | 7 | detrital sediment, group 1, εNd about -10 (Saharan dust dominant) Mean and standard deviation recalculated from 7 analyses, +0.186 to +0.242 (AMS-001 +0.223; AMS-025 +0.186; AMS-032 +0.218; AMS-034 +0.242; AMS-035 +0.235; AMS-036 +0.226; AMS-039 +0.210). Published group mean without the samples with negative ΔεHf (zircon-enriched): +0.226 ± 0.009 ‰ (2se). Samples: AMS-001 (125-3-4-110, εNd -10.1, ΔεHf 1.2); AMS-025 (box core 33.13° N 23.00° E, εNd -10.0, ΔεHf -3.2); AMS-032 (125A-8-1-102-104, εNd -10.2, ΔεHf 7.6); AMS-034 (374-2-2-70-72, εNd -10.3, ΔεHf 6.4); AMS-035 (374-4-3-30-32, εNd -10.3, ΔεHf 7.7); AMS-036 (374-6-3-110-112, εNd -9.9, ΔεHf 2.3); AMS-039 (374-14-1-52-54, εNd -10.3, ΔεHf 7.2). | Klaver et al. (2021), Reliability of detrital marine sediments as proxy for continental c… |
| 0.2 ± 0.018 ‰ | 0.17 / 0.228 ‰ | 7 | detrital sediment, group 2, εNd about -8.5 Mean and standard deviation recalculated from 7 analyses, +0.170 to +0.228 (AMS-002 +0.197; AMS-004 +0.170; AMS-006 +0.209; AMS-007 +0.194; AMS-009 +0.209; AMS-029 +0.191; AMS-031 +0.228). Published group mean without the samples with negative ΔεHf (zircon-enriched): +0.208 ± 0.012 ‰ (2se). Samples: AMS-002 (125-7-2-30, εNd -8.8, ΔεHf 1.6); AMS-004 (128-3-3-20, εNd -8.2, ΔεHf -6.8); AMS-006 (128-7-3-100, εNd -8.8, ΔεHf 6.3); AMS-007 (128-11-1-100, εNd -8.4, ΔεHf 5.4); AMS-009 (130-2-3-110, εNd -8.2, ΔεHf 2.6); AMS-029 (box core 32.75° N 29.00° E, εNd -8.0, ΔεHf -3.7); AMS-031 (125A-6-1-51-53, εNd -8.5, ΔεHf 0.9). | Klaver et al. (2021), Reliability of detrital marine sediments as proxy for continental c… |
| 0.198 ± 0.02 ‰ | 0.172 / 0.223 ‰ | 5 | detrital sediment, group 3, εNd about -6.5 Mean and standard deviation recalculated from 5 analyses, +0.172 to +0.223 (AMS-012 +0.200; AMS-028 +0.186; AMS-046 +0.223; AMS-047 +0.210; AMS-048 +0.172). Published group mean without the samples with negative ΔεHf (zircon-enriched): +0.201 ± 0.022 ‰ (2se). Samples: AMS-012 (130-6-4-80, εNd -6.3, ΔεHf 4.9); AMS-028 (box core 31.88° N 29.41° E, εNd -6.4, ΔεHf -4.2); AMS-046 (378-8-2-101-103, εNd -6.6, ΔεHf 4.4); AMS-047 (378A-1-3-127-129, εNd -6.6, ΔεHf 5.5); AMS-048 (378A-3-6-103-105, εNd -6.5, ΔεHf 2.2). | Klaver et al. (2021), Reliability of detrital marine sediments as proxy for continental c… |
| 0.172 ± 0.006 ‰ | 0.164 / 0.181 ‰ | 5 | detrital sediment, group 4, εNd about -2.5 (Nile sediment dominant) Mean and standard deviation recalculated from 5 analyses, +0.164 to +0.181 (AMS-010 +0.164; AMS-011 +0.173; AMS-020 +0.170; AMS-022 +0.174; AMS-023 +0.181). Published group mean without the samples with negative ΔεHf (zircon-enriched): +0.172 ± 0.005 ‰ (2se). Samples: AMS-010 (130-5-2-50, εNd -2.0, ΔεHf 5.0); AMS-011 (130-6-1-120, εNd -2.3, ΔεHf 5.7); AMS-020 (971B-4H-5-100, εNd -2.8, ΔεHf 3.3); AMS-022 (971B-13X-1-55, εNd -2.8, ΔεHf 2.4); AMS-023 (971B-19X-4-75, εNd -2.4, ΔεHf 0.3). | Klaver et al. (2021), Reliability of detrital marine sediments as proxy for continental c… |
δ94/90Zr in ‰ (per mil) Values of the same system
Standard : Zr NIST (RM8299 Zr iRM)
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 0.025 ± 0.012 ‰ | 0.006 / 0.041 ‰ | 7 | detrital sediment, group 1, εNd about -10 (Saharan dust dominant) Mean and standard deviation recalculated from 7 analyses, +0.006 to +0.041 (AMS-001 +0.022; AMS-025 +0.006; AMS-032 +0.041; AMS-034 +0.037; AMS-035 +0.019; AMS-036 +0.023; AMS-039 +0.027). Published group mean without the samples with negative ΔεHf: +0.028 ± 0.007 ‰ (2se). Per-sample 2s from 0.008 to 0.016 ‰. | Klaver et al. (2021), Reliability of detrital marine sediments as proxy for continental c… |
| 0.017 ± 0.008 ‰ | 0.006 / 0.032 ‰ | 7 | detrital sediment, group 2, εNd about -8.5 Mean and standard deviation recalculated from 7 analyses, +0.006 to +0.032 (AMS-002 +0.013; AMS-004 +0.022; AMS-006 +0.020; AMS-007 +0.012; AMS-009 +0.032; AMS-029 +0.006; AMS-031 +0.014). Published group mean without the samples with negative ΔεHf: +0.018 ± 0.008 ‰ (2se). Per-sample 2s from 0.008 to 0.016 ‰. | Klaver et al. (2021), Reliability of detrital marine sediments as proxy for continental c… |
| 0.021 ± 0.021 ‰ | −0.006 / 0.05 ‰ | 5 | detrital sediment, group 3, εNd about -6.5 Mean and standard deviation recalculated from 5 analyses, -0.006 to +0.050 (AMS-012 +0.021; AMS-028 -0.006; AMS-046 +0.050; AMS-047 +0.011; AMS-048 +0.027). Published group mean without the samples with negative ΔεHf: +0.027 ± 0.017 ‰ (2se). Per-sample 2s from 0.008 to 0.016 ‰. | Klaver et al. (2021), Reliability of detrital marine sediments as proxy for continental c… |
| 0.012 ± 0.004 ‰ | 0.009 / 0.019 ‰ | 5 | detrital sediment, group 4, εNd about -2.5 (Nile sediment dominant) Mean and standard deviation recalculated from 5 analyses, +0.009 to +0.019 (AMS-010 +0.009; AMS-011 +0.009; AMS-020 +0.013; AMS-022 +0.009; AMS-023 +0.019). Published group mean without the samples with negative ΔεHf: +0.012 ± 0.009 ‰ (2se). Per-sample 2s from 0.008 to 0.016 ‰. | Klaver et al. (2021), Reliability of detrital marine sediments as proxy for continental c… |
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Cite this page
IsoFind Atlas (2026). Eastern Mediterranean, detrital sediments (DSDP 125, 128, 130, 374, 378 and ODP 971 cores, box cores), isotope signatures. https://www.isofind.tech/isotopes/en/sites/mediterranee-orientale-sediments-detritiques-forages-dsdp-125-128-130-374-378-et-odp-971-carottes-boites/ (accessed 2026-10-21).
@misc{isofind2026easternmediterraneandetritals,
title = {Eastern Mediterranean, detrital sediments (DSDP 125, 128, 130, 374, 378 and ODP 971 cores, box cores), isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/sites/mediterranee-orientale-sediments-detritiques-forages-dsdp-125-128-130-374-378-et-odp-971-carottes-boites/},
note = {Accessed 2026-10-21}
}Updated : 2026-10-21