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 041C
Sample Information
DACITE
OUTCROP
Sample Age Information
QUATERNARY
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
AL2O3 | 16.5 WT% |
CAO | 4.87 WT% |
FE2O3 | 5.23 WT% |
FEO | 4.7 WT% |
K2O | 1.19 WT% |
MGO | 1.67 WT% |
MNO | 0.06 WT% |
NA2O | 4.2 WT% |
P2O5 | 0.13 WT% |
SIO2 | 65.6 WT% |
TIO2 | 0.54 WT% |
CE | 16.5 PPM |
DY | 1.3 PPM |
ER | 0.6 PPM |
EU | 0.69 PPM |
GD | 2.15 PPM |
LA | 8 PPM |
ND | 9.7 PPM |
SM | 2.2 PPM |
YB | 0.43 PPM |
BA | 660 PPM |
BE | 0.81 PPM |
CR | 11 PPM |
LI | 17 PPM |
NB | 3.2 PPM |
NI | 6 PPM |
RB | 24 PPM |
SC | 5.8 PPM |
SR | 434 PPM |
TH | 1.55 PPM |
V | 102 PPM |
Y | 7.2 PPM |
ZR | 72 PPM |