Sample 8YC-460A
NavDat sample number 21286 · RHYOLITE
Sample
| Sample ID | 8YC-460A |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 44.5 |
|---|---|
| Longitude | -110.75 |
| Location | COLUMBIA RIVER BASALT PROVINCE / YELLOWSTONE PLATEAU / MESA FALLS TUFF |
| State / province | WYOMING |
| Location comment | ROADCUT HIGHWAY 20 N OF ASHTON YELLOWSTONE PLATEAU VOLCANIC FIELD |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 1.3 | 1.17 | 1.43 | QUATERNARY |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74.6 | WT% | XRF | |
| TIO2 | 0.17 | WT% | XRF | |
| AL2O3 | 13.83 | WT% | XRF | |
| FEOT | 1.7 | WT% | XRF | |
| CAO | 0.6 | WT% | XRF | |
| MGO | 0.21 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| K2O | 5.57 | WT% | XRF | |
| NA2O | 2.86 | WT% | XRF | |
| P2O5 | 0.02 | WT% | XRF | |
| H2O | 2.4 | WT% | UNKNOWN | |
| CL | 0.074 | WT% | XRF | |
| LA | 99 | PPM | INAA | |
| CE | 173 | PPM | INAA | |
| ND | 82 | PPM | INAA | |
| SM | 13.2 | PPM | INAA | |
| EU | 0.96 | PPM | INAA | |
| TB | 1.8 | PPM | INAA | |
| YB | 6 | PPM | INAA | |
| LU | 0.8 | PPM | INAA | |
| SC | 2.46 | PPM | INAA | |
| ZN | 52 | PPM | INAA | |
| RB | 32.54 | PPM | TIMS_ID | |
| SR | 178 | PPM | TIMS_ID | |
| Y | 55 | PPM | XRF | |
| ZR | 217 | PPM | XRF | |
| NB | 44 | PPM | XRF | |
| CS | 3 | PPM | INAA | |
| BA | 490 | PPM | XRF | |
| HF | 7.3 | PPM | INAA | |
| TA | 3.55 | PPM | INAA | |
| TH | 29.6 | PPM | INAA | |
| U | 6.5 | PPM | INAA | |
| ND143_ND144 | 0.512184 | TIMS | ||
| SR87_SR86 | 0.70897 | TIMS | ||
| RB87_SR86 | 15.83 | TIMS |