Sample 70
NavDat sample number 10881 · ANDESITE
Sample
| Sample ID | 70 |
|---|---|
| Alternate ID | 2297 |
| 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 | 56.5 | WT% | XRF | |
| TIO2 | 0.7 | WT% | XRF | |
| AL2O3 | 18 | WT% | XRF | |
| FE2O3T | 5.6 | WT% | XRF | |
| MNO | 0.2 | WT% | XRF | |
| MGO | 2.2 | WT% | XRF | |
| CAO | 7.9 | WT% | XRF | |
| NA2O | 4.5 | WT% | XRF | |
| K2O | 2.8 | WT% | XRF | |
| P2O5 | 0.4 | WT% | XRF | |
| SC | 8.2 | PPM | INAA | |
| V | 160 | PPM | XRF | |
| CO | 10 | PPM | INAA | |
| CU | 40 | PPM | XRF | |
| ZN | 90 | PPM | XRF | |
| GA | 27 | PPM | XRF | |
| RB | 90 | PPM | XRF | |
| SR | 1144 | PPM | XRF | |
| Y | 21 | PPM | XRF | |
| ZR | 139 | PPM | XRF | |
| SB | 0.4 | PPM | INAA | |
| CS | 4 | PPM | XRF | |
| BA | 800 | PPM | XRF | |
| LA | 37 | PPM | XRF | |
| CE | 60 | PPM | XRF | |
| ND | 11 | PPM | INAA | |
| SM | 4.5 | PPM | INAA | |
| EU | 1.4 | PPM | INAA | |
| TB | 0.5 | PPM | INAA | |
| YB | 2.1 | PPM | INAA | |
| LU | 0.3 | PPM | INAA | |
| HF | 3.9 | PPM | INAA | |
| PB | 14 | PPM | XRF | |
| TH | 10 | PPM | XRF |