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-02-90A
Sample Information
RHYOLITE / IGNIMBRITE
OUTCROP
Sample Age Information
LOWER MIOCENE
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
AL2O3 | 15.4 WT% |
CAO | 0.67 WT% |
FE2O3T | 1.93 WT% |
K2O | 3.99 WT% |
MGO | 0.16 WT% |
MNO | 0.037 WT% |
NA2O | 3.01 WT% |
P2O5 | 0.059 WT% |
SIO2 | 71.8 WT% |
TIO2 | 0.276 WT% |
CE | 33.5 PPM |
EU | 0.92 PPM |
HO | 0.65 PPM |
LA | 15.6 PPM |
LU | 0.33 PPM |
ND | 17.8 PPM |
SM | 4 PPM |
TB | 0.62 PPM |
TM | 0.25 PPM |
YB | 2.16 PPM |
BA | 361 PPM |
CO | 24.7 PPM |
CR | 57 PPM |
HF | 3.1 PPM |
NB | 5 PPM |
NB | 5 PPM |
NI | 14 PPM |
RB | 77.5 PPM |
SC | 28.01 PPM |
SR | 347.6 PPM |
TA | 0.3 PPM |
TH | 12 PPM |
U | 1.6 PPM |
V | 259 PPM |
Y | 22 PPM |
ZR | 106 PPM |
ZR | 106 PPM |