Sample XM16
NavDat sample number 18227 · TRACHYANDESITE
Sample
| Sample ID | XM16 |
|---|---|
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 29.4417 |
|---|---|
| Longitude | -103.457 |
| Location | Christmas Mountains |
| State / province | Texas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 42 | 41.8 | 42.2 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 48.8 | WT% | UNKNOWN | |
| TIO2 | 2.22 | WT% | UNKNOWN | |
| AL2O3 | 18.36 | WT% | UNKNOWN | |
| FE2O3 | 4.61 | WT% | UNKNOWN | |
| FEO | 4.59 | WT% | UNKNOWN | |
| FEOT | 8.74 | WT% | UNKNOWN | |
| MNO | 0.16 | WT% | UNKNOWN | |
| MGO | 2.66 | WT% | UNKNOWN | |
| CAO | 6.68 | WT% | UNKNOWN | |
| NA2O | 2.87 | WT% | UNKNOWN | |
| K2O | 3.62 | WT% | UNKNOWN | |
| P2O5 | 0.82 | WT% | UNKNOWN | |
| H2O_PLUS | 2.28 | WT% | UNKNOWN | |
| H2O_MINUS | 0.28 | WT% | UNKNOWN | |
| CO2 | 1.65 | WT% | UNKNOWN | |
| TOTAL | 99.6 | WT% | UNKNOWN | |
| ZN | 95 | PPM | UNKNOWN | |
| RB | 63 | PPM | UNKNOWN | |
| SR | 780 | PPM | UNKNOWN | |
| Y | 37 | PPM | UNKNOWN | |
| ZR | 330 | PPM | UNKNOWN | |
| NB | 28 | PPM | UNKNOWN | |
| BA | 689 | PPM | UNKNOWN | |
| SR87_SR86 | 0.7043 | MS |