Sample 74Y-176
NavDat sample number 21291 · RHYOLITE
Sample
| Sample ID | 74Y-176 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 44.5 |
|---|---|
| Longitude | -110.75 |
| Location | COLUMBIA RIVER BASALT PROVINCE / YELLOWSTONE PLATEAU / RIVERSIDE FLOW |
| State / province | WYOMING |
| Location comment | MADISON RIVER OPPOSITE THE BARNS, YELLOWSTONE NATIONAL PARK |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.24 | 0.07 | 0.4 | QUATERNARY |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 77.1 | WT% | XRF | |
| TIO2 | 0.09 | WT% | XRF | |
| AL2O3 | 12.06 | WT% | XRF | |
| FEOT | 1.46 | WT% | XRF | |
| CAO | 0.33 | WT% | XRF | |
| MGO | 0 | WT% | XRF | |
| MNO | 0.02 | WT% | XRF | |
| K2O | 4.87 | WT% | XRF | |
| NA2O | 3.59 | WT% | XRF | |
| P2O5 | 0.02 | WT% | XRF | |
| H2O | 1.1 | WT% | UNKNOWN | |
| CL | 0.077 | WT% | XRF | |
| LA | 55 | PPM | INAA | |
| CE | 108 | PPM | INAA | |
| ND | 58 | PPM | INAA | |
| SM | 12.1 | PPM | INAA | |
| EU | 0.49 | PPM | INAA | |
| TB | 2.4 | PPM | INAA | |
| YB | 8.2 | PPM | INAA | |
| LU | 1 | PPM | INAA | |
| SC | 0.28 | PPM | INAA | |
| ZN | 155 | PPM | INAA | |
| RB | 2.884 | PPM | TIMS_ID | |
| SR | 195.9 | PPM | TIMS_ID | |
| Y | 55 | PPM | XRF | |
| ZR | 278 | PPM | XRF | |
| NB | 66 | PPM | XRF | |
| CS | 2.3 | PPM | INAA | |
| HF | 9.8 | PPM | INAA | |
| TA | 4.29 | PPM | INAA | |
| TH | 22.3 | PPM | INAA | |
| U | 4.5 | PPM | INAA | |
| D18O | 6.9 | PERMILL | MS | |
| ND143_ND144 | 0.51199 | TIMS | ||
| SR87_SR86 | 0.71276 | TIMS | ||
| RB87_SR86 | 196.6 | TIMS |