Sample 5LT163
NavDat sample number 30940 · TRACHYDACITE
Sample
| Sample ID | 5LT163 |
|---|---|
| Rock name | TRACHYDACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 40.35 |
|---|---|
| Longitude | -106.7 |
| State / province | Colorado |
| Location comment | acid matrix near top of composite flow |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 22.8 | 22.5 | 23.1 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 65.54 | WT% | XRF | |
| TIO2 | 0.67 | WT% | XRF | |
| AL2O3 | 15.48 | WT% | XRF | |
| FE2O3 | 4.31 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| MGO | 1.87 | WT% | XRF | |
| CAO | 3.65 | WT% | XRF | |
| NA2O | 4.81 | WT% | XRF | |
| K2O | 3.5 | WT% | XRF | |
| P2O5 | 0.28 | WT% | XRF | |
| LOI | 0.49 | WT% | XRF | |
| BA | 1948 | PPM | INAA | |
| CR | 56 | PPM | INAA | |
| HF | 4.8 | PPM | INAA | |
| NB | 21.5 | PPM | INAA | |
| NI | 124 | PPM | INAA | |
| RB | 59 | PPM | INAA | |
| SC | 7.2 | PPM | INAA | |
| SR | 1059 | PPM | INAA | |
| TA | 1.18 | PPM | INAA | |
| TH | 10.5 | PPM | INAA | |
| U | 3.2 | PPM | INAA | |
| V | 77 | PPM | INAA | |
| W | 4.2 | PPM | INAA | |
| Y | 11 | PPM | INAA | |
| ZN | 55 | PPM | INAA | |
| ZR | 161 | PPM | INAA | |
| LA | 50 | PPM | INAA | |
| CE | 99 | PPM | INAA | |
| ND | 39 | PPM | INAA | |
| SM | 5.7 | PPM | INAA | |
| EU | 1.51 | PPM | INAA | |
| GD | 4.1 | PPM | INAA | |
| TB | 0.54 | PPM | INAA | |
| YB | 0.92 | PPM | INAA | |
| LU | 0.14 | PPM | INAA |