Sample HSP-14
NavDat sample number 29274 · BASALT
Sample
| Sample ID | HSP-14 |
|---|---|
| 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 | 45.4 | WT% | EPMA | |
| TIO2 | 3.05 | WT% | EPMA | |
| AL2O3 | 15.5 | WT% | EPMA | |
| FEOT | 14.43 | WT% | EPMA | |
| MNO | 0.16 | WT% | EPMA | |
| MGO | 7.91 | WT% | EPMA | |
| CAO | 9.89 | WT% | EPMA | |
| NA2O | 2.4 | WT% | EPMA | |
| K2O | 0.4 | WT% | EPMA | |
| P2O5 | 0.5 | WT% | EPMA | |
| TOTAL | 99.6 | WT% | EPMA | |
| NB | 18 | PPM | XRF | |
| ZR | 223 | PPM | XRF | |
| Y | 37 | PPM | XRF | |
| SR | 363 | PPM | XRF | |
| RB | 1 | PPM | XRF | |
| NI | 90 | PPM | XRF | |
| CR | 207 | PPM | XRF | |
| V | 290 | PPM | XRF | |
| SC | 22 | PPM | XRF | |
| BA | 589 | PPM | XRF | |
| LA | 22.18 | PPM | INAA | |
| CE | 47.3 | PPM | INAA | |
| ND | 29 | PPM | INAA | |
| SM | 6.78 | PPM | INAA | |
| EU | 2.36 | PPM | INAA | |
| TB | 0.971 | PPM | INAA | |
| YB | 2.91 | PPM | INAA | |
| LU | 0.419 | PPM | INAA | |
| HF | 4.95 | PPM | INAA | |
| TA | 1.2 | PPM | INAA | |
| U | 0.29 | PPM | INAA | |
| TH | 1.1 | PPM | INAA | |
| SR87_SR86 | 0.707113 | TIMS | ||
| ND143_ND144 | 0.512458 | TIMS | ||
| PB206_PB204 | 18.438 | TIMS | ||
| PB207_PB204 | 15.701 | TIMS | ||
| PB208_PB204 | 38.93 | TIMS | ||
| D18O | 6.03 | PERMILL | MS |