GEOROC Sample Information
Location
Latitude 37.8 | Longitude -25.5
AZORES / SAO MIGUEL / AGUA DE PAO
FOGO 1563
OCEAN ISLAND
Reference
STOREY M.
TRACHYTIC PYROCLASTICS FROM AGUA DE PAU VOLCANO, SAO MIGUEL, AZORES: EVOLUTION OF A MAGMA BODY OVER 4000 YEARS
CONTRIB. MINERAL. PETROL. 78 [1982] 423-432
Sample Name: AZ1149
Sample Information
TRACHYTE / GLASSY TO CRYPTOCRYSTALLINE TEXTURE / PUMICE
OUTCROP
Sample Age Information
No sample age information given.
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
AL2O3 | 16.96 WT% |
CAO | 0.85 WT% |
FE2O3 | 1.39 WT% |
FEO | 1.89 WT% |
K2O | 5.46 WT% |
MGO | 0.27 WT% |
MNO | 0.22 WT% |
NA2O | 7.61 WT% |
P2O5 | 0.07 WT% |
SIO2 | 64.83 WT% |
TIO2 | 0.45 WT% |
CE | 362.3 PPM |
EU | 0.62 PPM |
LA | 197.1 PPM |
LU | 1.13 PPM |
ND | 129.7 PPM |
SM | 27.3 PPM |
TB | 2.7 PPM |
YB | 8.1 PPM |
BA | 410 PPM |
NB | 442 PPM |
RB | 348 PPM |
SR | 14 PPM |
TH | 48 PPM |
Y | 100 PPM |
ZR | 1906 PPM |