Sample 8YC-460A
NavDat sample number 61967 · PYROCLASTIC-FALL
Sample
| Sample ID | 8YC-460A |
|---|---|
| Rock name | PYROCLASTIC-FALL |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 44.1193 |
|---|---|
| Longitude | -111.444 |
| Location | west side of US Highway 20 roadcut about 6.8 km north of Ashton |
| State / province | Idaho |
| Volcanic field | Mesa Falls Tuff (Yellowstone Group) |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 1.285 | 1.281 | 1.289 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74.9 | WT% | UNKNOWN | |
| TIO2 | 0.17 | WT% | UNKNOWN | |
| AL2O3 | 13.88 | WT% | UNKNOWN | |
| MNO | 0.04 | WT% | UNKNOWN | |
| MGO | 0.21 | WT% | UNKNOWN | |
| CAO | 0.6 | WT% | UNKNOWN | |
| NA2O | 2.87 | WT% | UNKNOWN | |
| K2O | 5.6 | WT% | UNKNOWN | |
| P2O5 | 0.02 | WT% | UNKNOWN | |
| TOTAL | 100 | WT% | UNKNOWN | |
| FEOT | 1.71 | WT% | UNKNOWN | |
| CL | 1100 | PPM | UNKNOWN | |
| F | 1800 | PPM | UNKNOWN | |
| ZR | 310 | PPM | UNKNOWN | |
| HF | 7.1 | PPM | UNKNOWN | |
| TA | 3.5 | PPM | UNKNOWN | |
| P | 90 | PPM | UNKNOWN | |
| TI | 960 | PPM | UNKNOWN | |
| MN | 310 | PPM | UNKNOWN | |
| ZN | 51 | PPM | UNKNOWN | |
| SC | 2.4 | PPM | UNKNOWN | |
| LA | 92 | PPM | UNKNOWN | |
| CE | 160 | PPM | UNKNOWN | |
| ND | 61 | PPM | UNKNOWN | |
| SM | 12 | PPM | UNKNOWN | |
| EU | 0.94 | PPM | UNKNOWN | |
| GD | 10 | PPM | UNKNOWN | |
| TB | 1.8 | PPM | UNKNOWN | |
| HO | 1.6 | PPM | UNKNOWN | |
| TM | 0.83 | PPM | UNKNOWN | |
| YB | 5.8 | PPM | UNKNOWN | |
| LU | 0.78 | PPM | UNKNOWN | |
| TH | 29 | PPM | UNKNOWN | |
| U | 6.3 | PPM | UNKNOWN | |
| SR | 26 | PPM | UNKNOWN | |
| BA | 490 | PPM | UNKNOWN | |
| RB | 180 | PPM | UNKNOWN | |
| CS | 3 | PPM | UNKNOWN | |
| RB | 139 | PPM | XRF | |
| SR | 112 | PPM | XRF | |
| SR87_SR86 | 0.7084 | UNKNOWN | ||
| D18O | 5.6 | PERMILL | MS | |
| D18O | 4.5 | PERMILL | MS | |
| D18O | 0.7 | PERMILL | MS |