Sample 81
NavDat sample number 10882 · ANDESITE
Sample
| Sample ID | 81 |
|---|---|
| Alternate ID | 2298 |
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 17.36 |
|---|---|
| Longitude | -93.23 |
| Location | El Chichon |
| State / province | Chiapas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 2 | 1 | 3 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 57.9 | WT% | XRF | |
| TIO2 | 0.5 | WT% | XRF | |
| AL2O3 | 17 | WT% | XRF | |
| FE2O3T | 4.4 | WT% | XRF | |
| MNO | 0.2 | WT% | XRF | |
| MGO | 1.6 | WT% | XRF | |
| CAO | 7 | WT% | XRF | |
| NA2O | 4.4 | WT% | XRF | |
| K2O | 3.2 | WT% | XRF | |
| P2O5 | 0.4 | WT% | XRF | |
| V | 103 | PPM | XRF | |
| CU | 125 | PPM | XRF | |
| ZN | 81 | PPM | XRF | |
| GA | 22 | PPM | XRF | |
| RB | 110 | PPM | XRF | |
| SR | 977 | PPM | XRF | |
| Y | 27 | PPM | XRF | |
| ZR | 172 | PPM | XRF | |
| CS | 6 | PPM | XRF | |
| BA | 842 | PPM | XRF | |
| LA | 36 | PPM | XRF | |
| CE | 67 | PPM | XRF | |
| PB | 20 | PPM | XRF | |
| TH | 13 | PPM | XRF |