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
PLEISTOCENE
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 |