GEOROC Sample Information
Location
Latitude 14.9033 | Longitude 39.9386
EAST AFRICAN RIFT / ETHIOPIAN RIFT / AFAR DEPRESSION / ALID
E OF ALID, DANAKIL DEPRESSION
RIFT VOLCANICS
Reference
LANPHERE M. A.,DUFFIELD W. A.,CLYNNE M. A.,LOWENSTERN J. B.,BULLEN T. D.,FOURNIER R. O.,JANIK C. J.,SMITH J. G.,TESFAI T.,WOLDEGIORGIS L,KAHSAI G.,WELDEMARIAM K.
GEOTHERMAL POTENTIAL OF THE ALID VOLCANIC CENTER, DANAKIL DEPRESSION, ERITREA
U. S. GEOL. SURV. OPEN FILE REPT. 97-291 [1997] 1-62
Sample Name: EC96-10A
Sample Information
RHYOLITE / SPARSELY PORPHYRITIC TEXTURE / PUMICE
OUTCROP
Sample Age Information
PLEISTOCENE
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
| AL2O3 | 12.97 WT% |
| CAO | 2.66 WT% |
| FE2O3 | 0.63 WT% |
| FEO | 2.27 WT% |
| FEOT | 2.84 WT% |
| K2O | 4.69 WT% |
| LOI | 4.65 WT% |
| MGO | 0.2 WT% |
| MNO | 0.11 WT% |
| NA2O | 4.75 WT% |
| P2O5 | 0.05 WT% |
| SIO2 | 71.45 WT% |
| TIO2 | 0.21 WT% |
Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) (AL)KALIFELDSPAR
| AGE | 34.5 ± 6.2 MA |
| AR36_AR39 | 0.000803 |
| AR37_AR39 | 0.2325 |
| AR40_AR39 | 0.2603 |
| AR40 | 1.26E-15 MOL/G |
Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) (AL)KALIFELDSPAR
| AGE | 32.4 ± 6.8 MA |
| AR36_AR39 | 0.001899 |
| AR37_AR39 | 0.2328 |
| AR40_AR39 | 0.5812 |
| AR40 | 1.11E-15 MOL/G |