GEOROC Sample Information
Location
Latitude -0.538 | Longitude -77.626
ANDEAN ARC / NORTHERN ANDEAN VOLCANIC ZONE / ECUADOR / SUMACO
CONVERGENT MARGIN
Reference
KURZ M. D.,GEIST D. J.,LARSON P. B.,BARRAGAN R.,HALL M.
SUBDUCTION CONTROLS ON THE COMPOSITIONS OF LAVAS FROM THE ECUADORIAN ANDES
EARTH PLANET. SCI. LETT. 154 [1998] 153-166
Sample Name: 3D2
Sample Information
TEPHRITE / PORPHYRITIC TEXTURE
OUTCROP
Sample Age Information
No sample age information given.
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
ND143_ND144 | 0.512893 |
SR87_SR86 | 0.704243 |
D18O | 6.2 PER MIL |
AL2O3 | 18.89 WT% |
CAO | 8.63 WT% |
FEOT | 8.99 WT% |
K2O | 4.43 WT% |
MGO | 2.49 WT% |
MNO | 0.32 WT% |
NA2O | 6.77 WT% |
P2O5 | 0.64 WT% |
SIO2 | 47.56 WT% |
TIO2 | 1.29 WT% |
CE | 302 PPM |
EU | 5.03 PPM |
LA | 173 PPM |
LU | 0.63 PPM |
ND | 121 PPM |
SM | 18.5 PPM |
TB | 1.59 PPM |
YB | 4.67 PPM |
BA | 2563 PPM |
CS | 2.21 PPM |
HF | 5.65 PPM |
NB | 82 PPM |
NI | 4 PPM |
RB | 125 PPM |
SC | 1 PPM |
SC | 2.5 PPM |
SR | 4059 PPM |
TA | 3.54 PPM |
TH | 27.8 PPM |
U | 7.26 PPM |
V | 292 PPM |
Y | 49 PPM |
ZR | 441 PPM |