Sample 5LT165
NavDat sample number 30941 · TRACHYDACITE
Sample
| Sample ID | 5LT165 |
|---|---|
| Rock name | TRACHYDACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 40.35 |
|---|---|
| Longitude | -106.7 |
| State / province | Colorado |
| Location comment | acid matrix in center 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 | 67.87 | WT% | XRF | |
| TIO2 | 0.54 | WT% | XRF | |
| AL2O3 | 15.67 | WT% | XRF | |
| FE2O3 | 3.44 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| MGO | 1.01 | WT% | XRF | |
| CAO | 2.66 | WT% | XRF | |
| NA2O | 4.94 | WT% | XRF | |
| K2O | 3.84 | WT% | XRF | |
| P2O5 | 0.22 | WT% | XRF | |
| LOI | 0.33 | WT% | XRF | |
| BA | 1994 | PPM | INAA | |
| CR | 33 | PPM | INAA | |
| HF | 5.3 | PPM | INAA | |
| NB | 22.5 | PPM | INAA | |
| NI | 21 | PPM | INAA | |
| RB | 62 | PPM | INAA | |
| SC | 6.6 | PPM | INAA | |
| SR | 1104 | PPM | INAA | |
| TA | 1.12 | PPM | INAA | |
| TH | 15.3 | PPM | INAA | |
| U | 4.5 | PPM | INAA | |
| V | 60 | PPM | INAA | |
| W | 5.1 | PPM | INAA | |
| Y | 9 | PPM | INAA | |
| ZN | 56 | PPM | INAA | |
| ZR | 171 | PPM | INAA | |
| LA | 64 | PPM | INAA | |
| CE | 100 | PPM | INAA | |
| ND | 49 | PPM | INAA | |
| SM | 6.9 | PPM | INAA | |
| EU | 1.6 | PPM | INAA | |
| GD | 4.9 | PPM | INAA | |
| TB | 0.66 | PPM | INAA | |
| YB | 1.21 | PPM | INAA | |
| LU | 0.15 | PPM | INAA | |
| SR87_SR86 | 0.70423 | MS | ||
| ND143_ND144 | 0.512205 | MS |