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: T91

Sample Information

RHYODACITE / IGNIMBRITE
OUTCROP

Sample Age Information

QUATERNARY


Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

AL2O314.92 WT%
CAO2.67 WT%
FEOT2.44 WT%
K2O4.31 WT%
MGO1.07 WT%
MNO0.08 WT%
NA2O3.03 WT%
P2O50.24 WT%
SIO270.68 WT%
TIO20.56 WT%
CE86.8 PPM
EU1.07 PPM
LA41.8 PPM
LU0.177 PPM
ND36.2 PPM
SM7.28 PPM
TB0.647 PPM
YB1.57 PPM
BA400 PPM
CO3.7 PPM
CR9 PPM
CS34 PPM
HF4.7 PPM
NB29 PPM
NI6 PPM
RB263 PPM
SC5 PPM
SR343 PPM
TA3.3 PPM
TH22.1 PPM
U11.8 PPM
ZR178 PPM

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) PLAGIOCLASE

AB53.8 MOL%
AN44.1 MOL%
OR2.1 MOL%
AL2O327.47 WT%
CAO9.14 WT%
K2O0.36 WT%
NA2O6.16 WT%
SIO256.95 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) PLAGIOCLASE

AB62 MOL%
AN33 MOL%
OR5 MOL%
AL2O325.82 WT%
CAO6.9 WT%
K2O0.73 WT%
NA2O7.1 WT%
SIO259.5 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) PLAGIOCLASE

AB64.5 MOL%
AN31.3 MOL%
OR4.2 MOL%
AL2O325.62 WT%
CAO6.53 WT%
K2O0.74 WT%
NA2O7.42 WT%
SIO259.69 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) MICA

AL2O314.66 WT%
FEO18.96 WT%
K2O8.54 WT%
MGO14.52 WT%
MNO0.06 WT%
NA2O0.31 WT%
SIO237.59 WT%
TIO24.36 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) MICA

AL2O314.65 WT%
FEO19.24 WT%
K2O8.66 WT%
MGO13.08 WT%
MNO0.08 WT%
NA2O0.39 WT%
SIO237.35 WT%
TIO24.4 WT%