Sample HSP-46
NavDat sample number 29273 · BASALT
Sample
| Sample ID | HSP-46 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | silica-saturated olivine tholeiite; pahoehoe flows; large plag phenos and smaller olivine microphenos in medium to coarse grained, ophitic, diktytaxitic groundmass; location given is for the vent |
Location
| Latitude | 43.4795 |
|---|---|
| Longitude | -115.564 |
| Location | Western Snake River Plain |
| State / province | Idaho |
| Volcanic field | Boise River Group 1, Steamboat Rock basalt |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 1.8 | 1.5 | 2.1 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 45.6 | WT% | EPMA | |
| TIO2 | 3.12 | WT% | EPMA | |
| AL2O3 | 15.8 | WT% | EPMA | |
| FEOT | 14.24 | WT% | EPMA | |
| MNO | 0.16 | WT% | EPMA | |
| MGO | 5.97 | WT% | EPMA | |
| CAO | 11 | WT% | EPMA | |
| NA2O | 2.4 | WT% | EPMA | |
| K2O | 0.33 | WT% | EPMA | |
| P2O5 | 0.54 | WT% | EPMA | |
| TOTAL | 99.18 | WT% | EPMA | |
| NB | 28 | PPM | XRF | |
| ZR | 291 | PPM | XRF | |
| Y | 48 | PPM | XRF | |
| SR | 349 | PPM | XRF | |
| RB | 1 | PPM | XRF | |
| NI | 71 | PPM | XRF | |
| CR | 140 | PPM | XRF | |
| V | 310 | PPM | XRF | |
| SC | 27 | PPM | XRF | |
| BA | 616 | PPM | XRF | |
| LA | 29.7 | PPM | INAA | |
| CE | 62.1 | PPM | INAA | |
| ND | 37 | PPM | INAA | |
| SM | 8.29 | PPM | INAA | |
| EU | 2.79 | PPM | INAA | |
| TB | 1.22 | PPM | INAA | |
| YB | 3.55 | PPM | INAA | |
| LU | 0.508 | PPM | INAA | |
| HF | 6.11 | PPM | INAA | |
| TA | 1.47 | PPM | INAA | |
| U | 0.41 | PPM | INAA | |
| TH | 1.09 | PPM | INAA |