GEOROC Sample Information
Location
Latitude -15.5144 | Longitude -72.7228
ANDEAN ARC / CENTRAL ANDEAN VOLCANIC ZONE / PERU / HUAYLILLAS-ALPABAMBA FORMATION
SALAMANCA
CONVERGENT MARGIN
Reference
WÖRNER G.,MAMANI M.,SEMPERE T.
GEOCHEMICAL VARIATIONS IN IGNEOUS ROCKS OF THE CENTRAL ANDEAN OROCLINE (13°S TO 18°S): TRACING CRUSTAL THICKENING AND MAGMA GENERATION THROUGH TIME AND SPACE
BULL. GEOL. SOC. AM. 122 [2010] 162-182
Sample Name: PIG-02-90B
Sample Information
RHYOLITE / IGNIMBRITE
OUTCROP
Sample Age Information
LOWER MIOCENE
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
AL2O3 | 15.4 WT% |
CAO | 0.68 WT% |
FE2O3T | 1.96 WT% |
K2O | 3.95 WT% |
MGO | 0.17 WT% |
MNO | 0.037 WT% |
NA2O | 3.03 WT% |
P2O5 | 0.058 WT% |
SIO2 | 71.7 WT% |
TIO2 | 0.275 WT% |
CE | 33.7 PPM |
EU | 1.39 PPM |
HO | 0.6 PPM |
LA | 16 PPM |
LU | 0.29 PPM |
ND | 21.4 PPM |
SM | 4.79 PPM |
TB | 0.65 PPM |
TM | 0.15 PPM |
YB | 1.88 PPM |
BA | 578 PPM |
CO | 24 PPM |
CR | 75 PPM |
HF | 1.9 PPM |
NB | 7 PPM |
NB | 7 PPM |
NI | 16 PPM |
RB | 34.4 PPM |
SC | 25.37 PPM |
SR | 761.4 PPM |
TA | 0.2 PPM |
TH | 4 PPM |
U | 1.1 PPM |
V | 225 PPM |
Y | 20 PPM |
ZR | 67 PPM |
ZR | 67 PPM |