Sample HSP-39
NavDat sample number 29307 · BASALT
Sample
| Sample ID | HSP-39 |
|---|---|
| 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 | 47.7 | WT% | EPMA | |
| TIO2 | 1.73 | WT% | EPMA | |
| AL2O3 | 16.2 | WT% | EPMA | |
| FEOT | 10.49 | WT% | EPMA | |
| MNO | 0.11 | WT% | EPMA | |
| MGO | 8.55 | WT% | EPMA | |
| CAO | 9.84 | WT% | EPMA | |
| NA2O | 2.73 | WT% | EPMA | |
| K2O | 1.3 | WT% | EPMA | |
| P2O5 | 0.34 | WT% | EPMA | |
| TOTAL | 99.04 | WT% | EPMA | |
| NB | 23 | PPM | XRF | |
| ZR | 173 | PPM | XRF | |
| Y | 24 | PPM | XRF | |
| SR | 473 | PPM | XRF | |
| RB | 29 | PPM | XRF | |
| NI | 120 | PPM | XRF | |
| CR | 261 | PPM | XRF | |
| V | 196 | PPM | XRF | |
| SC | 22 | PPM | XRF | |
| BA | 528 | PPM | XRF | |
| LA | 18.09 | PPM | INAA | |
| CE | 40.4 | PPM | INAA | |
| ND | 22.4 | PPM | INAA | |
| SM | 4.99 | PPM | INAA | |
| EU | 1.61 | PPM | INAA | |
| TB | 0.703 | PPM | INAA | |
| YB | 2.2 | PPM | INAA | |
| LU | 0.321 | PPM | INAA | |
| HF | 3.7 | PPM | INAA | |
| TA | 1.77 | PPM | INAA | |
| U | 0.28 | PPM | INAA | |
| TH | 1.67 | PPM | INAA |