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: S20

Sample Information

PHONOLITE / PORPHYRITIC TEXTURE
OUTCROP

Sample Age Information

No sample age information given.

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

AL2O319.43 WT%
CAO6.01 WT%
FEOT6.38 WT%
K2O4.15 WT%
MGO1.74 WT%
MNO0.22 WT%
NA2O6.83 WT%
P2O50.45 WT%
SIO254.03 WT%
TIO20.76 WT%
BA2780 PPM
NB54 PPM
NI6 PPM
RB112 PPM
SC9 PPM
SR2577 PPM
V151 PPM
Y34 PPM
ZR400 PPM