Sample HSP-111
NavDat sample number 29342 · BASALT
Sample
| Sample ID | HSP-111 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | alkali olivine basalt; unit comprises aa flows near the source cinder cone and pahoehoe flows farther away; contains microphenos of plag and olivine in glassy to aphanitic groundmass of plag, olivine, pyroxene, alkali feldspar, glass, and opaques; given location is for the vent |
Location
| Latitude | 43.521 |
|---|---|
| Longitude | -115.416 |
| Location | Western Snake River Plain |
| State / province | Idaho |
| Volcanic field | Boise River Group 2, Fall Creek basalt |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.35 | 0.2 | 0.5 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 47.8 | WT% | EPMA | |
| TIO2 | 2.16 | WT% | EPMA | |
| AL2O3 | 16.1 | WT% | EPMA | |
| FEOT | 12.8 | WT% | EPMA | |
| MNO | 0.15 | WT% | EPMA | |
| MGO | 7.2 | WT% | EPMA | |
| CAO | 8.97 | WT% | EPMA | |
| NA2O | 2.88 | WT% | EPMA | |
| K2O | 1.01 | WT% | EPMA | |
| P2O5 | 0.31 | WT% | EPMA | |
| TOTAL | 99.38 | WT% | EPMA | |
| NB | 26 | PPM | XRF | |
| ZR | 156 | PPM | XRF | |
| Y | 30 | PPM | XRF | |
| SR | 349 | PPM | XRF | |
| RB | 15 | PPM | XRF | |
| NI | 84 | PPM | XRF | |
| CR | 150 | PPM | XRF | |
| V | 230 | PPM | XRF | |
| SC | 23 | PPM | XRF | |
| BA | 519 | PPM | XRF | |
| LA | 16.33 | PPM | INAA | |
| CE | 36.5 | PPM | INAA | |
| ND | 20.2 | PPM | INAA | |
| SM | 5.03 | PPM | INAA | |
| EU | 1.75 | PPM | INAA | |
| TB | 0.757 | PPM | INAA | |
| YB | 2.36 | PPM | INAA | |
| LU | 0.35 | PPM | INAA | |
| HF | 3.49 | PPM | INAA | |
| TA | 1.42 | PPM | INAA | |
| TH | 1.31 | PPM | INAA | |
| SR87_SR86 | 0.705977 | TIMS | ||
| ND143_ND144 | 0.512602 | TIMS | ||
| PB206_PB204 | 18.558 | TIMS | ||
| PB207_PB204 | 15.62 | TIMS | ||
| PB208_PB204 | 39.02 | TIMS |