Sample HSP-95
NavDat sample number 29304 · BASALT
Sample
| Sample ID | HSP-95 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | alkali olivine basalt; microporphyritic with microphenos of olivine and plag in fine-grained, subophitic to intersertal matrix of plag, pyroxene, glass, and opaques; erupted from same cinder cone as unit 1; location given is for vent |
Location
| Latitude | 43.509 |
|---|---|
| Longitude | -115.505 |
| Location | Western Snake River Plain |
| State / province | Idaho |
| Volcanic field | Boise River Group 2, Smith Praire basalt, unit 2 |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.26 | 0.1 | 0.42 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 48.4 | WT% | EPMA | |
| TIO2 | 1.8 | WT% | EPMA | |
| AL2O3 | 16.3 | WT% | EPMA | |
| FEOT | 10.41 | WT% | EPMA | |
| MNO | 0.13 | WT% | EPMA | |
| MGO | 8.4 | WT% | EPMA | |
| CAO | 9.9 | WT% | EPMA | |
| NA2O | 2.42 | WT% | EPMA | |
| K2O | 1.16 | WT% | EPMA | |
| P2O5 | 0.19 | WT% | EPMA | |
| TOTAL | 99.17 | WT% | EPMA | |
| NB | 31 | PPM | XRF | |
| ZR | 171 | PPM | XRF | |
| Y | 21 | PPM | XRF | |
| SR | 486 | PPM | XRF | |
| RB | 24 | PPM | XRF | |
| NI | 119 | PPM | XRF | |
| CR | 274 | PPM | XRF | |
| V | 205 | PPM | XRF | |
| SC | 25 | PPM | XRF | |
| BA | 624 | PPM | XRF | |
| LA | 18.37 | PPM | INAA | |
| CE | 40.6 | PPM | INAA | |
| ND | 23 | PPM | INAA | |
| SM | 4.89 | PPM | INAA | |
| EU | 1.648 | PPM | INAA | |
| TB | 0.699 | PPM | INAA | |
| YB | 2.21 | PPM | INAA | |
| LU | 0.328 | PPM | INAA | |
| HF | 3.63 | PPM | INAA | |
| TA | 1.81 | PPM | INAA | |
| U | 0.31 | PPM | INAA | |
| TH | 1.78 | PPM | INAA | |
| SR87_SR86 | 0.705128 | TIMS | ||
| PB206_PB204 | 18.601 | TIMS | ||
| PB207_PB204 | 15.635 | TIMS | ||
| PB208_PB204 | 39.08 | TIMS |