Table 4
Synthesis of terrace level ages, from this study and literature.
| Terrace level | Median elevation above current river (m) | Published age | Method | Reference | This study | Conclusions/Adopted age |
|---|---|---|---|---|---|---|
| A | TARA0: 4731 ± 1447 ka (P-PINI) | 2800 ± 700 Ma | ||||
| 210 (Zaragoza area) | TARA2: 2215 ± 778 ka (P-PINI) | |||||
| 130 (Aragón) | Mean*: 2780 ± 690 ka | |||||
| B | 150–180 (North-East) | 1276 ± 104 ka | ESR | Duval et al., 2017 | TALC1: 5016 ± 1702 ka (P-PINI) | 1150 ± 150 ka† |
| 140 (Ebro between Zaragoza and Aragón) | [999–1070] ka | Tentative age from paleomagnetic data | Lewis et al., 2017 | TEBR2: 1034 ± 275 ka (P-PINI) | ||
| 90 (Aragón) | > 780 ka | Paleomagnetism | Lewis et al., 2017 | TOJA1: 957 ± 161 ka (P-PINI) | ||
| 200 (Upper Ebro) | TSEG2: [489–1104] ka (profile) | |||||
| Mean*: 970 ± 130 ka | ||||||
| C | 140 (North-East) | 817 ± 68 ka | ESR | Duval et al., 2017 | 850 ± 70 ka‡ | |
| 130 (Gállego) | [780–999] ka | Tentative age from paleomagnetic data | Lewis et al., 2017 | |||
| 115 (Ebro between Zaragoza and Aragón) | > 780 ka | Paleomagnetism | Lewis et al., 2017 | |||
| 170 (Upper Ebro) | ||||||
| D | 100 (North-East) | < 780 ka | Paleomagnetism | Lewis et al., 2017 | TSEG1: [523–971] ka (profile) | 650 ± 130 ka◊ |
| 100 (Gállego) | ∼ 780 ka | Paleomagnetism | Calle et al., 2013 | |||
| 80 (Ebro downstream Zaragoza) | ||||||
| 90 (Ebro between Zaragoza and Aragón) | ||||||
| 130 (Upper Ebro) | ||||||
| E | 80 (North-East) | 401 ± 117 ka | Compilation of various data | Lewis et al., 2017 | 400 ± 120 | |
| 70 (Gállego) | ||||||
| 50 (Ebro between Zaragoza and Aragón) | ||||||
| 35–40 (Aragón) |
* Inverse weighted average; when age range, we suppose a normal distribution. † With or without related karst data, average ∼ 1150 ka; an uncertainty of 150 ka satisfactorily encompasses the various estimates. ‡ Average with uncertainty encompassing the various estimates. ◊ Value satisfying both paleomagnetic constraints and the age estimates for C and E.
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