GEOROC Sample Information
Location
Latitude 14.88 | Longitude 39.92
EAST AFRICAN RIFT / ETHIOPIAN RIFT / AFAR DEPRESSION / ALID
DANAKIL DEPRESSION
RIFT VOLCANICS
Reference
WOODEN J. L.,CLYNNE M. A.,LOWENSTERN J. B.,CHARLIER BRUCE L. A.
EXTREME U-TH DISEQUILIBRIUM IN RIFT-RELATED BASALTS, RHYOLITES AND GRANOPHYRIC GRANITE AND THE TIMESCALE OF RHYOLITE GENERATION, INTRUSION AND CRYSTALLIZATION AT ALID VOLCANIC CENTER, ERITREA
J. PETROL. 47 [2006] 2105-2122
Sample Name: C42
Sample Information
RHYOLITE
OUTCROP
Sample Age Information
30,000 years
to 50,000 years
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
| SR87_SR86 | 0.7044 |
| AL2O3 | 13.56 WT% |
| CAO | 1.17 WT% |
| FEOT | 2.94 WT% |
| K2O | 4.55 WT% |
| LOI | 3.58 WT% |
| MGO | 0.13 WT% |
| MNO | 0.12 WT% |
| NA2O | 4.67 WT% |
| P2O5 | 0.04 WT% |
| SIO2 | 72.5 WT% |
| TIO2 | 0.26 WT% |
| CE | 141.4 PPM |
| DY | 8.6 PPM |
| ER | 5.5 PPM |
| EU | 1.59 PPM |
| GD | 8.64 PPM |
| HO | 1.79 PPM |
| LA | 73.7 PPM |
| LU | 0.89 PPM |
| ND | 53.9 PPM |
| PR | 15.3 PPM |
| SM | 9.61 PPM |
| TB | 1.41 PPM |
| TM | 0.88 PPM |
| YB | 5.63 PPM |
| BA | 860 PPM |
| CO | 0.37 PPM |
| CR | 2.31 PPM |
| CS | 1.247 PPM |
| HF | 9.33 PPM |
| LI | 11.34 PPM |
| NB | 113 PPM |
| NI | 0.51 PPM |
| P | 106 PPM |
| PB | 9.18 PPM |
| RB | 99 PPM |
| SC | 4 PPM |
| SR | 75 PPM |
| TA | 7 PPM |
| TH | 13.65 PPM |
| U | 3.728 PPM |
| V | 2 PPM |
| Y | 53 PPM |
| ZR | 380 PPM |
| TH230_TH232_ACT | 1.008 |
| TH230_U238_ACT | 1.216 |
| U234_U238_ACT | 1.006 |
| U238_TH232_ACT | 0.829 |