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
AL2O3 | 14.92 WT% |
CAO | 2.67 WT% |
FEOT | 2.44 WT% |
K2O | 4.31 WT% |
MGO | 1.07 WT% |
MNO | 0.08 WT% |
NA2O | 3.03 WT% |
P2O5 | 0.24 WT% |
SIO2 | 70.68 WT% |
TIO2 | 0.56 WT% |
CE | 86.8 PPM |
EU | 1.07 PPM |
LA | 41.8 PPM |
LU | 0.177 PPM |
ND | 36.2 PPM |
SM | 7.28 PPM |
TB | 0.647 PPM |
YB | 1.57 PPM |
BA | 400 PPM |
CO | 3.7 PPM |
CR | 9 PPM |
CS | 34 PPM |
HF | 4.7 PPM |
NB | 29 PPM |
NI | 6 PPM |
RB | 263 PPM |
SC | 5 PPM |
SR | 343 PPM |
TA | 3.3 PPM |
TH | 22.1 PPM |
U | 11.8 PPM |
ZR | 178 PPM |
Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) PLAGIOCLASE
AB | 53.8 MOL% |
AN | 44.1 MOL% |
OR | 2.1 MOL% |
AL2O3 | 27.47 WT% |
CAO | 9.14 WT% |
K2O | 0.36 WT% |
NA2O | 6.16 WT% |
SIO2 | 56.95 WT% |
Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) PLAGIOCLASE
AB | 62 MOL% |
AN | 33 MOL% |
OR | 5 MOL% |
AL2O3 | 25.82 WT% |
CAO | 6.9 WT% |
K2O | 0.73 WT% |
NA2O | 7.1 WT% |
SIO2 | 59.5 WT% |
Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) PLAGIOCLASE
AB | 64.5 MOL% |
AN | 31.3 MOL% |
OR | 4.2 MOL% |
AL2O3 | 25.62 WT% |
CAO | 6.53 WT% |
K2O | 0.74 WT% |
NA2O | 7.42 WT% |
SIO2 | 59.69 WT% |
Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) MICA
AL2O3 | 14.66 WT% |
FEO | 18.96 WT% |
K2O | 8.54 WT% |
MGO | 14.52 WT% |
MNO | 0.06 WT% |
NA2O | 0.31 WT% |
SIO2 | 37.59 WT% |
TIO2 | 4.36 WT% |
Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) MICA
AL2O3 | 14.65 WT% |
FEO | 19.24 WT% |
K2O | 8.66 WT% |
MGO | 13.08 WT% |
MNO | 0.08 WT% |
NA2O | 0.39 WT% |
SIO2 | 37.35 WT% |
TIO2 | 4.4 WT% |