GEOROC Sample Information
Location
Latitude 14.76 | Longitude -91.55
CENTRAL AMERICAN VOLCANIC ARC / CENTRAL AMERICAN VOLCANIC ARC-NORTHWESTERN SEGMENT / GUATEMALA / SANTA MARIA
1902 ERUPTION
CONVERGENT MARGIN
Reference
ROSE W. I. JR.
SANTA MARIA, GUATEMALA: BIMODAL SODA-RICH CALC-ALKALIC STRATOVOLCANO
J. VOLCANOL. GEOTHERM. RES. 33 [1987] 109-129
Sample Name: CO-40
Sample Information
DACITE / PUMICE
OUTCROP
Sample Age Information
HOLOCENE
1902 eruption
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
AL2O3 | 15.42 WT% |
CAO | 3.19 WT% |
FE2O3T | 3.35 WT% |
K2O | 1.97 WT% |
MGO | 0.75 WT% |
MNO | 0.18 WT% |
NA2O | 5.14 WT% |
P2O5 | 0.15 WT% |
SIO2 | 69.46 WT% |
TIO2 | 0.31 WT% |
BA | 796 PPM |
CR | 4 PPM |
CU | 26 PPM |
MN | 1372 PPM |
NB | 3 PPM |
NI | 7 PPM |
RB | 39 PPM |
SR | 420 PPM |
V | 38 PPM |
Y | 15 PPM |
ZN | 102 PPM |
ZR | 167 PPM |