Sample E90-1a
NavDat sample number 21733 · TRACHYANDESITE
Sample
| Sample ID | E90-1a |
|---|---|
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 29.25 |
|---|---|
| Longitude | -103.395 |
| Location | TransPecos |
| State / province | Texas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 28 | 26 | 38 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 54.45 | WT% | XRF | |
| TIO2 | 1.97 | WT% | XRF | |
| AL2O3 | 17.72 | WT% | XRF | |
| FE2O3 | 2 | WT% | XRF | |
| FEO | 7.26 | WT% | XRF | |
| MNO | 0.16 | WT% | XRF | |
| MGO | 2.32 | WT% | XRF | |
| CAO | 5.4 | WT% | XRF | |
| NA2O | 4.99 | WT% | XRF | |
| K2O | 3.18 | WT% | XRF | |
| P2O5 | 0.75 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| SC | 13 | PPM | XRF | |
| V | 122 | PPM | XRF | |
| CR | 1 | PPM | XRF | |
| CU | 2 | PPM | XRF | |
| ZN | 92 | PPM | XRF | |
| GA | 21 | PPM | XRF | |
| RB | 56 | PPM | XRF | |
| SR | 910 | PPM | XRF | |
| Y | 32 | PPM | XRF | |
| ZR | 336 | PPM | XRF | |
| NB | 81 | PPM | XRF | |
| BA | 1029 | PPM | XRF | |
| LA | 46 | PPM | XRF | |
| CE | 104 | PPM | XRF | |
| PB | 7 | PPM | XRF | |
| TH | 4 | PPM | XRF |