GEOROC Sample Information

Location
Latitude -18.21222 | Longitude -69.15465
ANDEAN ARC / CENTRAL ANDEAN VOLCANIC ZONE / CHILE / PARINACOTA
STRATOVOLCANO, NEVADOS DE PAYACHATA, DOME PLATEAU
CONVERGENT MARGIN

Reference

WÖRNER G.,SINGER B. S.,HORA J. M.

VOLCANO EVOLUTION AND ERUPTIVE FLUX ON THE THICK CRUST OF THE ANDEAN CENTRAL VOLCANIC ZONE: 40AR/39AR CONSTRAINTS FROM VOLCAN PARINACOTA, CHILE

BULL. GEOL. SOC. AM. 119 [2007] 343-362

Sample Name: PAR-04-02

Sample Information

RHYODACITE
OUTCROP

Sample Age Information

No sample age information given.

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

AL2O314.6 WT%
CAO2.37 WT%
FE2O3T3.1 WT%
K2O4.18 WT%
MGO1.1 WT%
MNO0.05 WT%
NA2O4.14 WT%
P2O50.18 WT%
SIO268.5 WT%
TIO20.53 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) SANIDINE

AGE39.7 ± 1.9 KA
AGE38.3 ± 2.8 KA
AGE40.2 ± 2.4 KA


Reference

BEARD B. L.,WÖRNER G.,SINGER B. S.,JOHNSON CLARK M.,JICHA B. R.,HORA J. M.

SHALLOW AND DEEP CRUSTAL CONTROL ON DIFFERENTIATION OF CALC-ALKALINE AND THOLEIITIC MAGMA

EARTH PLANET. SCI. LETT. 285 [2009] 75-86

Sample Name: PAR 04-02

Sample Information

NOT GIVEN / CALC-ALKALINE LAVA
OUTCROP

Sample Age Information

No sample age information given.

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

AGE39.7 ± 1.9 KA
SR87_SR860.706753 ± 0.000011
AL2O314.6 WT%
CAO2.37 WT%
FE2O3T3.1 WT%
K2O4.18 WT%
MGO1.1 WT%
MNO0.05 WT%
NA2O4.14 WT%
P2O50.18 WT%
SIO268.5 WT%
TIO20.53 WT%
CE51.8 PPM
DY1.34 PPM
ER0.5 PPM
EU0.73 PPM
GD2.22 PPM
HO0.23 PPM
LA24.9 PPM
LU0.09 PPM
ND19.6 PPM
PR5.4 PPM
SM3.09 PPM
TB0.25 PPM
TM0.09 PPM
YB0.57 PPM
BA1026 PPM
BE1.85 PPM
BI0.07 PPM
CD0.04 PPM
CO8 PPM
CR14 PPM
CS4.76 PPM
CU18 PPM
GA20 PPM
HF2.87 PPM
LI25 PPM
MO2.6 PPM
NB10 PPM
NI7 PPM
PB20.4 PPM
RB86 PPM
SB0.47 PPM
SC3 PPM
SR561 PPM
TA0.79 PPM
TH13.06 PPM
TL0.52 PPM
U1.98 PPM
V56 PPM
Y10 PPM
ZN64 PPM
ZR89 PPM
TH230_TH232_ACT0.716 ± 0.005
U238_TH232_ACT0.718 ± 0.006