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 |