Sample HSP-90
NavDat sample number 29276 · BASALT
Sample
| Sample ID | HSP-90 |
|---|---|
| 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 | 45.3 | WT% | EPMA | |
| TIO2 | 3.19 | WT% | EPMA | |
| AL2O3 | 15.1 | WT% | EPMA | |
| FEOT | 14.73 | WT% | EPMA | |
| MNO | 0.16 | WT% | EPMA | |
| MGO | 7.91 | WT% | EPMA | |
| CAO | 10.32 | WT% | EPMA | |
| NA2O | 1.99 | WT% | EPMA | |
| K2O | 0.28 | WT% | EPMA | |
| P2O5 | 0.3 | WT% | EPMA | |
| TOTAL | 99.3 | WT% | EPMA | |
| NB | 30 | PPM | XRF | |
| ZR | 307 | PPM | XRF | |
| Y | 37 | PPM | XRF | |
| SR | 329 | PPM | XRF | |
| RB | 9 | PPM | XRF | |
| NI | 90 | PPM | XRF | |
| CR | 180 | PPM | XRF | |
| V | 323 | PPM | XRF | |
| SC | 31 | PPM | XRF | |
| BA | 454 | PPM | XRF | |
| LA | 27.7 | PPM | INAA | |
| CE | 61.7 | PPM | INAA | |
| ND | 33 | PPM | INAA | |
| SM | 8.17 | PPM | INAA | |
| EU | 2.75 | PPM | INAA | |
| TB | 1.16 | PPM | INAA | |
| YB | 3.46 | PPM | INAA | |
| LU | 0.503 | PPM | INAA | |
| HF | 6.24 | PPM | INAA | |
| TA | 1.48 | PPM | INAA | |
| U | 0.37 | PPM | INAA | |
| TH | 0.98 | PPM | INAA |