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 |