Sample H3269
NavDat sample number 7436 · PYROCLASTIC-FALL
Sample
| Sample ID | H3269 |
|---|---|
| Rock name | PYROCLASTIC-FALL |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | ash bed in loess |
Location
| Latitude | 42.8589 |
|---|---|
| Longitude | -112.498 |
| Location | on Trail Creek road, 2 miles W of Pocatello |
| State / province | Idaho |
| Volcanic field | Pleistocene tuff |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.91 | 0.01 | 1.8 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73.7 | WT% | SPEC | |
| AL2O3 | 11.56 | WT% | SPEC | |
| FE2O3 | 0.45 | WT% | SPEC | |
| FEO | 0.89 | WT% | SPEC | |
| MGO | 0.06 | WT% | SPEC | |
| CAO | 0.48 | WT% | SPEC | |
| NA2O | 3.18 | WT% | SPEC | |
| K2O | 5.26 | WT% | SPEC | |
| H2O_PLUS | 3.44 | WT% | SPEC | |
| H2O_MINUS | 0.07 | WT% | SPEC | |
| TIO2 | 0.14 | WT% | SPEC | |
| P2O5 | 0.01 | WT% | SPEC | |
| MNO | 0.04 | WT% | SPEC | |
| CO2 | 0 | WT% | SPEC | |
| F | 0.13 | WT% | SPEC | |
| TOTAL | 99.52 | WT% | SPEC | |
| BA | 180 | PPM | SPEC | |
| BE | 5 | PPM | SPEC | |
| CO | -2 | PPM | SPEC | |
| CR | -1 | PPM | SPEC | |
| CU | 5 | PPM | SPEC | |
| GA | 25 | PPM | SPEC | |
| LA | 130 | PPM | SPEC | |
| MO | 4 | PPM | SPEC | |
| NB | 50 | PPM | SPEC | |
| NI | -2 | PPM | SPEC | |
| PB | 30 | PPM | SPEC | |
| SC | -4 | PPM | SPEC | |
| SN | 9 | PPM | SPEC | |
| SR | 10 | PPM | SPEC | |
| V | -3 | PPM | SPEC | |
| Y | 80 | PPM | SPEC | |
| YB | 8 | PPM | SPEC | |
| ZR | 240 | PPM | SPEC | |
| B | 10 | PPM | SPEC |