GEOROC Sample Information

Location
Latitude -24 | Longitude -66.5
ANDEAN ARC / CENTRAL ANDEAN VOLCANIC ZONE / ARGENTINA / CERRO TUZGLE / CALAMA OLACAPATO TORO VOLCANIC BELT
IGNIMBRITE COMPLEX
CONVERGENT MARGIN

Reference

KAY S. M.,COIRA B. L.

IMPLICATIONS OF QUATERNARY VOLCANISM AT CERRO TUZGLE FOR CRUSTAL AND MANTLE EVOLUTION OF THE PUNA PLATEAU, CENTRAL ANDES, ARGENTINA

CONTRIB. MINERAL. PETROL. 113 [1993] 40-58

Sample Name: T95

Sample Information

RHYODACITE / IGNIMBRITE
OUTCROP

Sample Age Information

QUATERNARY


Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

ND143_ND1440.51225 ± 0.000005
SR87_SR860.709691 ± 0.000006
AL2O315.85 WT%
CAO3.06 WT%
FEOT2.45 WT%
K2O4.49 WT%
MGO1.05 WT%
MNO0.12 WT%
NA2O3.21 WT%
SIO269.11 WT%
TIO20.6 WT%
CE92.1 PPM
EU1.1 PPM
LA43.9 PPM
LU0.177 PPM
ND34 PPM
SM6.84 PPM
TB0.615 PPM
YB1.56 PPM
BA428 PPM
CR9 PPM
CS31 PPM
HF4.8 PPM
SC4.9 PPM
SR325 PPM
TA3.3 PPM
TH20.2 PPM
U13.2 PPM

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) SPINEL

ULV11.6 MOL%
CR2O30.08 WT%
FE2O359.75 WT%
FEO33.86 WT%
MGO0.53 WT%
MNO0.87 WT%
TIO24.11 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) MICA

AL2O314.7 WT%
FEO19.08 WT%
K2O6.66 WT%
MGO13.39 WT%
MNO0.3 WT%
NA2O0.44 WT%
SIO237.08 WT%
TIO24.76 WT%