Sample H3275
NavDat sample number 7431 · PYROCLASTIC-FALL
Sample
| Sample ID | H3275 |
|---|---|
| Rock name | PYROCLASTIC-FALL |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | below welded obsidian tuff; probably correlative with the Starlight Formation |
Location
| Latitude | 42.2448 |
|---|---|
| Longitude | -113.19 |
| Location | N end of Black Pine Range |
| State / province | Idaho |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 6 | 6 | 7 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73.26 | WT% | SPEC | |
| AL2O3 | 11.55 | WT% | SPEC | |
| MGO | 0.21 | WT% | SPEC | |
| CAO | 0.73 | WT% | SPEC | |
| NA2O | 2.61 | WT% | SPEC | |
| K2O | 5.36 | WT% | SPEC | |
| H2O_PLUS | 3.47 | WT% | SPEC | |
| H2O_MINUS | 0.2 | WT% | SPEC | |
| TIO2 | 0.28 | WT% | SPEC | |
| F | 0.06 | WT% | SPEC | |
| BA | 1100 | PPM | SPEC | |
| BE | 3 | PPM | SPEC | |
| CO | -2 | PPM | SPEC | |
| CR | -1 | PPM | SPEC | |
| CU | 4 | PPM | SPEC | |
| GA | 22 | PPM | SPEC | |
| LA | 90 | PPM | SPEC | |
| MO | 3 | PPM | SPEC | |
| NB | 50 | PPM | SPEC | |
| NI | -2 | PPM | SPEC | |
| PB | 30 | PPM | SPEC | |
| SC | 5 | PPM | SPEC | |
| SN | 8 | PPM | SPEC | |
| SR | 40 | PPM | SPEC | |
| V | 3 | PPM | SPEC | |
| Y | 60 | PPM | SPEC | |
| YB | 7 | PPM | SPEC | |
| ZR | 390 | PPM | SPEC | |
| B | 10 | PPM | SPEC | |
| FE2O3T | 1.91 | WT% | SPEC |