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 012A
Sample Information
ANDESITE
OUTCROP
Sample Age Information
QUATERNARY
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
ND143_ND144 | 0.512854 |
SR87_SR86 | 0.704257 |
AL2O3 | 16.5 WT% |
CAO | 7.12 WT% |
FE2O3 | 8.48 WT% |
FEO | 7.63 WT% |
K2O | 0.76 WT% |
MGO | 5.42 WT% |
MNO | 0.12 WT% |
NA2O | 3.52 WT% |
P2O5 | 0.14 WT% |
SIO2 | 57.28 WT% |
TIO2 | 0.67 WT% |
CE | 15.2 PPM |
DY | 2.2 PPM |
ER | 1.25 PPM |
EU | 0.76 PPM |
GD | 2.3 PPM |
LA | 6.7 PPM |
ND | 9.8 PPM |
SM | 2.45 PPM |
YB | 1.22 PPM |
B | 10.1 PPM |
BA | 355 PPM |
BE | 0.59 PPM |
CR | 238 PPM |
LI | 11.4 PPM |
NB | 2.4 PPM |
NI | 62 PPM |
RB | 14.3 PPM |
SC | 22 PPM |
SR | 422 PPM |
TA | 0.18 PPM |
TH | 0.9 PPM |
V | 189 PPM |
Y | 12.9 PPM |
ZR | 66 PPM |