GEOROC Sample Information
Location
Latitude -0.357 | Longitude -78.619
ANDEAN ARC / NORTHERN ANDEAN VOLCANIC ZONE / ECUADOR / ATACAZO-NINAHUILCA
ATACAZO
CONVERGENT MARGIN
Reference
GERBE M. C.,BOURDON E.,MARTIN H.,SAMANIEGO P.,HIDALGO S.
ROLE OF CRUSTAL AND SLAB COMPONENTS IN THE NORTHERN VOLCANIC ZONE OF THE ANDES (ECUADOR) CONSTRAINED BY SR-ND-O ISOTOPES
LITHOS 132-133 [2012] 180-192
Sample Name: ATAC 061
Sample Information
ANDESITE
OUTCROP
Sample Age Information
QUATERNARY
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
ND143_ND144 | 0.512822 |
SR87_SR86 | 0.704372 |
D18O | 8.5 ± 0.3 PER MIL |
AL2O3 | 15.93 WT% |
CAO | 6.1 WT% |
FE2O3 | 7.52 WT% |
FEO | 6.77 WT% |
K2O | 1.04 WT% |
MGO | 4.13 WT% |
MNO | 0.1 WT% |
NA2O | 3.54 WT% |
P2O5 | 0.14 WT% |
SIO2 | 60.89 WT% |
TIO2 | 0.61 WT% |
CE | 15.5 PPM |
DY | 2.05 PPM |
ER | 1.1 PPM |
EU | 0.73 PPM |
GD | 2.4 PPM |
LA | 7.2 PPM |
ND | 9.2 PPM |
SM | 2.4 PPM |
YB | 1.04 PPM |
BA | 510 PPM |
BE | 0.72 PPM |
CR | 170 PPM |
LI | 13.3 PPM |
NB | 3.2 PPM |
NI | 46 PPM |
RB | 21.6 PPM |
SC | 18 PPM |
SR | 379 PPM |
TH | 1.5 PPM |
V | 175 PPM |
Y | 11.2 PPM |
ZR | 80 PPM |