Sample 5LT166
NavDat sample number 30942 · TRACHYDACITE
Sample
| Sample ID | 5LT166 |
|---|---|
| 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 base 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 | 63.6 | WT% | XRF | |
| TIO2 | 0.84 | WT% | XRF | |
| AL2O3 | 15.67 | WT% | XRF | |
| FE2O3 | 5.43 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| MGO | 2.05 | WT% | XRF | |
| CAO | 4.44 | WT% | XRF | |
| NA2O | 4.68 | WT% | XRF | |
| K2O | 3.2 | WT% | XRF | |
| P2O5 | 0.32 | WT% | XRF | |
| LOI | 0.72 | WT% | XRF | |
| BA | 1702 | PPM | INAA | |
| CR | 88 | PPM | INAA | |
| HF | 5 | PPM | INAA | |
| NB | 21.3 | PPM | INAA | |
| NI | 148 | PPM | INAA | |
| RB | 45 | PPM | INAA | |
| SC | 9.4 | PPM | INAA | |
| SR | 1043 | PPM | INAA | |
| TA | 1.15 | PPM | INAA | |
| TH | 9.6 | PPM | INAA | |
| U | 2.7 | PPM | INAA | |
| V | 75 | PPM | INAA | |
| W | 3.3 | PPM | INAA | |
| Y | 13 | PPM | INAA | |
| ZN | 60 | PPM | INAA | |
| ZR | 150 | PPM | INAA | |
| LA | 47 | PPM | INAA | |
| CE | 107 | PPM | INAA | |
| ND | 38 | PPM | INAA | |
| SM | 5.7 | PPM | INAA | |
| EU | 1.64 | PPM | INAA | |
| TB | 0.67 | PPM | INAA | |
| YB | 1.05 | PPM | INAA | |
| LU | 0.11 | PPM | INAA | |
| SR87_SR86 | 0.704322 | MS | ||
| ND143_ND144 | 0.512277 | MS |