GEOROC Sample Information
Location
Latitude -17.02574 | Longitude -70.34493
ANDEAN ARC / CENTRAL ANDEAN VOLCANIC ZONE / PERU / TUTUPACA
ERUPTION BETWEEN 1787 AND 1802
CONVERGENT MARGIN
Reference
SAMANIEGO P.,LIORZOU C.,VAN WYK DE VRIES B.,VALDERRAMA P.,MARINO J.,ROCHE O.,MANRIQUE N.,CHEDEVILLE C.,FIDEL L.,MALNATI J.
THE HISTORICAL (218±14 ABP) EXPLOSIVE ERUPTION OF TUTUPACA VOLCANO (SOUTHERN PERU)
BULL. VOLCANOL. 77 51 [2015]
Sample Name: TU-12-14
Sample Information
DACITE / LAVA BLOCK
OUTCROP
Sample Age Information
No sample age information given.
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
AL2O3 | 15.81 WT% |
CAO | 3.87 WT% |
FE2O3T | 4.3 WT% |
K2O | 3.23 WT% |
LOI | 0.21 WT% |
MGO | 1.8 WT% |
MNO | 0.06 WT% |
NA2O | 4.34 WT% |
P2O5 | 0.27 WT% |
SIO2 | 63.72 WT% |
TIO2 | 0.72 WT% |
CE | 69.2 PPM |
DY | 1.81 PPM |
ER | 0.65 PPM |
EU | 1.09 PPM |
GD | 3.16 PPM |
LA | 35.74 PPM |
ND | 27.8 PPM |
SM | 4.73 PPM |
YB | 0.56 PPM |
BA | 1289.39 PPM |
CO | 11.71 PPM |
CR | 11.75 PPM |
NB | 7.5 PPM |
NI | 11.92 PPM |
RB | 104.68 PPM |
SC | 6.55 PPM |
SR | 764.15 PPM |
TH | 8.3 PPM |
V | 91 PPM |
Y | 8.21 PPM |
ZR | 128.04 PPM |