Sample 26B
NavDat sample number 10884 · ANDESITE
Sample
| Sample ID | 26B |
|---|---|
| Alternate ID | 2300 |
| 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 | 54.8 | WT% | XRF | |
| TIO2 | 0.7 | WT% | XRF | |
| AL2O3 | 17.8 | WT% | XRF | |
| FE2O3T | 5.8 | WT% | XRF | |
| MNO | 0.2 | WT% | XRF | |
| MGO | 2.6 | WT% | XRF | |
| CAO | 8.2 | WT% | XRF | |
| NA2O | 4.4 | WT% | XRF | |
| K2O | 2.6 | WT% | XRF | |
| P2O5 | 0.4 | WT% | XRF | |
| SC | 9.7 | PPM | INAA | |
| V | 156 | PPM | XRF | |
| CO | 18.9 | PPM | INAA | |
| CU | 187 | PPM | XRF | |
| GA | 24 | PPM | XRF | |
| RB | 79 | PPM | XRF | |
| SR | 1124 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| ZR | 120 | PPM | XRF | |
| SB | 0.6 | PPM | INAA | |
| CS | 4 | PPM | XRF | |
| BA | 693 | PPM | XRF | |
| LA | 25 | PPM | XRF | |
| CE | 47 | PPM | XRF | |
| ND | 16.1 | PPM | INAA | |
| SM | 5.7 | PPM | INAA | |
| EU | 1.5 | PPM | INAA | |
| TB | 1.4 | PPM | INAA | |
| YB | 0 | PPM | INAA | |
| LU | 0.3 | PPM | INAA | |
| HF | 3.7 | PPM | INAA | |
| PB | 17 | PPM | XRF | |
| TH | 7 | PPM | XRF |