| GEOLOGY AND GEOCHRONOLOGY OF THE TANA BASIN, ETHIOPIA: LIP VOLCANISM, SUPER ERUPTIONS AND EOCENE-OLIGOCENE ENVIRONMENTAL CHANGE |
Go to Location/Sample Survey Go to Data Quality Informations
| The following Tables are available: |
| S1 |
| SAMPLE NAME | TYPE OF MATERIAL | MINERAL / COMPONENT | PB206_PB204 | PB207_PB206 | PB206_U238 | PB207_U235 | AGE_PB207_U235(MA) | AGE_PB206_U238(MA) |
|---|---|---|---|---|---|---|---|---|
| ABY-1 | MINERAL / COMPONENT (INCL. GROUNDMASS) | ZIRCON | 355.24 | 0.0464 | 0.004784 | 0.03051 | 30.58 ± 0.62 | 30.825 ± 0.061 |
| ABY-1 | MINERAL / COMPONENT (INCL. GROUNDMASS) | ZIRCON | 355.09 | 0.0468 | 0.004788 | 0.03085 | 30.86 ± 0.65 | 30.16 ± 0.062 |
| ABY-1 | MINERAL / COMPONENT (INCL. GROUNDMASS) | ZIRCON | 768.88 | 0.047 | 0.004783 | 0.03098 | 30.98 ± 0.27 | 30.829 ± 0.035 |
| ABY-1 | MINERAL / COMPONENT (INCL. GROUNDMASS) | ZIRCON | 190.35 | 0.0472 | 0.004801 | 0.0312 | 31.2 ± 1.11 | 30.964 ± 0.101 |
| YIFAG-2 | MINERAL / COMPONENT (INCL. GROUNDMASS) | ZIRCON | 144.68 | 0.0471 | 0.004796 | 0.03112 | 31.12 ± 1.51 | 30.909 ± 0.141 |
| YIFAG-2 | MINERAL / COMPONENT (INCL. GROUNDMASS) | ZIRCON | 221.7 | 0.0479 | 0.0048 | 0.03167 | 31.66 ± 0.93 | 30.94 ± 0.093 |
| YIFAG-2 | MINERAL / COMPONENT (INCL. GROUNDMASS) | ZIRCON | 1002.51 | 0.0468 | 0.004781 | 0.03083 | 30.83 ± 0.23 | 30.137 ± 0.04 |
| YIFAG-2 | MINERAL / COMPONENT (INCL. GROUNDMASS) | ZIRCON | 221.94 | 0.0476 | 0.004797 | 0.03148 | 31.48 ± 0.97 | 30.906 ± 0.092 |
| YIFAG-2 | MINERAL / COMPONENT (INCL. GROUNDMASS) | ZIRCON | 284.97 | 0.047 | 0.004786 | 0.03102 | 31.02 ± 0.7 | 30.345 ± 0.069 |
| YIFAG-2 | MINERAL / COMPONENT (INCL. GROUNDMASS) | ZIRCON | 572.21 | 0.047 | 0.004787 | 0.03099 | 30.99 ± 0.36 | 30.854 ± 0.043 |
| ZEGE-1 | MINERAL / COMPONENT (INCL. GROUNDMASS) | ZIRCON | 2110.28 | 0.0469 | 0.004811 | 0.03107 | 31.07 ± 0.1 | 31.021 ± 0.023 |
| ZEGE-1 | MINERAL / COMPONENT (INCL. GROUNDMASS) | ZIRCON | 573.17 | 0.0471 | 0.004812 | 0.03125 | 31.24 ± 0.36 | 31.032 ± 0.011 |
| ZEGE-1 | MINERAL / COMPONENT (INCL. GROUNDMASS) | ZIRCON | 202.04 | 0.0484 | 0.004822 | 0.03215 | 32.13 ± 1.18 | 31.097 ± 0.123 |
| ZEGE-1 | MINERAL / COMPONENT (INCL. GROUNDMASS) | ZIRCON | 77.9 | 0.0479 | 0.004796 | 0.03169 | 31.67 ± 3 | 30.927 ± 0.234 |
| ZEGE-1 | MINERAL / COMPONENT (INCL. GROUNDMASS) | ZIRCON | 319.72 | 0.0472 | 0.004822 | 0.03139 | 31.38 ± 0.74 | 31.093 ± 0.072 |
| ZEGE-1 | MINERAL / COMPONENT (INCL. GROUNDMASS) | ZIRCON | 359.82 | 0.0469 | 0.004816 | 0.03115 | 31.15 ± 0.61 | 31.059 ± 0.061 |
| HYDRO-1 | MINERAL / COMPONENT (INCL. GROUNDMASS) | ZIRCON | 2903.15 | 0.0469 | 0.004827 | 0.03117 | 31.17 ± 0.08 | 31.103 ± 0.025 |
| HYDRO-1 | MINERAL / COMPONENT (INCL. GROUNDMASS) | ZIRCON | 376.24 | 0.0469 | 0.004821 | 0.03117 | 31.16 ± 0.52 | 31.099 ± 0.051 |
| HYDRO-1 | MINERAL / COMPONENT (INCL. GROUNDMASS) | ZIRCON | 439.2 | 0.047 | 0.004825 | 0.03126 | 31.25 ± 0.44 | 31.129 ± 0.045 |
| HYDRO-1 | MINERAL / COMPONENT (INCL. GROUNDMASS) | ZIRCON | 493.17 | 0.0467 | 0.00484 | 0.03115 | 31.15 ± 0.42 | 31 ± 0.052 |
| HYDRO-1 | MINERAL / COMPONENT (INCL. GROUNDMASS) | ZIRCON | 194.02 | 0.0477 | 0.004858 | 0.03193 | 31.91 ± 1.12 | 31.331 ± 0.104 |
(Alternative Values are separated by an \)
| Location/Sample survey Top | ||||||
| SAMPLE NAME | SAMPLE COMMENT | ROCK NAME | SAMPLING TECHNIQUE | LOCATION | LOCATION COMMENT | GEOLOGICAL AGE |
| ABY-1 | FLOW-BANDED | RHYOLITE | OUTCROP | ETHIOPIAN PLATEAU / NORTHERN ETHIOPIAN PLATEAU | WEST OF YIFAG, LAKE TANA REGION | OLIGOCENE |
| HYDRO-1 | LAPILLI TUFF NEAR THE BASE OF THE FELSITE UNIT | LAPILLI-TUFF | OUTCROP | ETHIOPIAN PLATEAU / NORTHERN ETHIOPIAN PLATEAU | 7 KM SW OF KUNZLA, LAKE TANA REGION | OLIGOCENE |
| YIFAG-2 | FLOW-BANDED | RHYOLITE | OUTCROP | ETHIOPIAN PLATEAU / NORTHERN ETHIOPIAN PLATEAU | WEST OF YIFAG, LAKE TANA REGION | OLIGOCENE |
| ZEGE-1 | FLOW-BANDED | RHYOLITE | OUTCROP | ETHIOPIAN PLATEAU / NORTHERN ETHIOPIAN PLATEAU | 7 KM SW OF BAHIR DAR LAKE TANA REGION | OLIGOCENE |
Data Quality Informations Abbreviations
Analytical Methods| METHOD/INSTITUTION | ITEMS MEASURED |
|
PB206_U238 AGE BRITISH GEOLOGICAL SURVEY NATURAL ENVIRONMENT RESEARCH COUNCIL (NERC), ISOTOPE GEOSCIENCES LABORATORY (NIGL) | AGE_PB206_U238 |
|
PB207_U235 AGE BRITISH GEOLOGICAL SURVEY NATURAL ENVIRONMENT RESEARCH COUNCIL (NERC), ISOTOPE GEOSCIENCES LABORATORY (NIGL) | AGE_PB207_U235 |
|
TIMS ( TRITON ) BRITISH GEOLOGICAL SURVEY NATURAL ENVIRONMENT RESEARCH COUNCIL (NERC), ISOTOPE GEOSCIENCES LABORATORY (NIGL) | PB206_PB204 PB206_U238 PB207_PB206 PB207_U235 |
No Fractionation Correction Data available
No Normalization Data available
No Standard Data available