Sample E1900
NavDat sample number 7418 · PYROCLASTIC-FALL
Sample
| Sample ID | E1900 |
|---|---|
| Rock name | PYROCLASTIC-FALL |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | vitric shards |
Location
| Latitude | 42.5193 |
|---|---|
| Longitude | -112.863 |
| Location | Mollys Nipple |
| State / province | Idaho |
| Volcanic field | Starlight Formation, Lower Member |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 6 | 6 | 7 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 72.23 | WT% | SPEC | |
| AL2O3 | 11.52 | WT% | SPEC | |
| FE2O3 | 0.7 | WT% | SPEC | |
| FEO | 0.9 | WT% | SPEC | |
| MGO | 0.11 | WT% | SPEC | |
| CAO | 0.56 | WT% | SPEC | |
| NA2O | 1.55 | WT% | SPEC | |
| K2O | 6.72 | WT% | SPEC | |
| H2O_PLUS | 4.67 | WT% | SPEC | |
| H2O_MINUS | 0.2 | WT% | SPEC | |
| TIO2 | 0.19 | WT% | SPEC | |
| P2O5 | 0.01 | WT% | SPEC | |
| MNO | 0.03 | WT% | SPEC | |
| CO2 | 0.01 | WT% | SPEC | |
| F | 0.12 | WT% | SPEC | |
| TOTAL | 99.52 | WT% | SPEC | |
| BA | 400 | PPM | SPEC | |
| BE | 5 | PPM | SPEC | |
| CO | -1 | PPM | SPEC | |
| CR | -1 | PPM | SPEC | |
| CU | 8 | PPM | SPEC | |
| GA | 21 | PPM | SPEC | |
| LA | 140 | PPM | SPEC | |
| MO | 4 | PPM | SPEC | |
| NB | 70 | PPM | SPEC | |
| NI | 3 | PPM | SPEC | |
| PB | 40 | PPM | SPEC | |
| SC | 5 | PPM | SPEC | |
| SN | 11 | PPM | SPEC | |
| SR | 18 | PPM | SPEC | |
| V | 3 | PPM | SPEC | |
| Y | 80 | PPM | SPEC | |
| YB | 7 | PPM | SPEC | |
| ZR | 420 | PPM | SPEC | |
| B | -10 | PPM | SPEC |