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: GS4

Sample Information

PHONOLITE / PORPHYRITIC TEXTURE
OUTCROP

Sample Age Information

No sample age information given.

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

AL2O319.39 WT%
CAO6.31 WT%
FEOT6.3 WT%
K2O4.12 WT%
MGO1.77 WT%
MNO0.22 WT%
NA2O6.62 WT%
P2O50.47 WT%
SIO254.02 WT%
TIO20.78 WT%
CE229 PPM
EU3.67 PPM
LA134 PPM
LU0.5 PPM
ND86.3 PPM
SM13.7 PPM
TB1.07 PPM
YB3.59 PPM
BA2740 PPM
CS2.72 PPM
HF6.6 PPM
NB53 PPM
NI24 PPM
RB108 PPM
SC5 PPM
SC3.6 PPM
SR2592 PPM
TA2.6 PPM
TH28.1 PPM
U9.15 PPM
V122 PPM
Y35 PPM
ZR402 PPM


Reference

HALL M. L.,YOGODZINSKI G. M.,LEWICKI J. L.,BAILEY D. G.,BRYANT J. A.

GEOCHEMICAL CONSTRAINTS ON THE ORIGIN OF VOLCANIC ROCKS FROM THE ANDEAN NORTHERN VOLCANIC ZONE, ECUADOR

J. PETROL. 47 [2006] 1147-1175

Sample Name: GS4

Sample Information

ANDESITE, BASALTIC
OUTCROP

Sample Age Information

No sample age information given.

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

ND143_ND1440.512926 ± 0.000014
PB206_PB20418.796
PB207_PB20415.583
PB208_PB20438.529
SR87_SR860.704156 ± 0.00001
AL2O319.39 WT%
CAO6.31 WT%
FEOT6.3 WT%
K2O4.12 WT%
MGO1.77 WT%
MNO0.22 WT%
NA2O6.62 WT%
P2O50.47 WT%
SIO254.02 WT%
TIO20.78 WT%
CE230 PPM
DY7.16 PPM
ER3.33 PPM
EU4.15 PPM
GD10.4 PPM
HO1.31 PPM
LA141 PPM
LU0.47 PPM
ND85.6 PPM
PR23.9 PPM
SM14.8 PPM
TB1.35 PPM
TM0.49 PPM
YB3.02 PPM
BA2797 PPM
CS2.79 PPM
HF6.87 PPM
NB54.3 PPM
NI24 PPM
PB29.4 PPM
RB106 PPM
SC5 PPM
SR2597 PPM
TA2.98 PPM
TH29.9 PPM
U8.71 PPM
V122 PPM
Y38.4 PPM
ZR359 PPM