Sample HSP-188
NavDat sample number 29308 · BASALT
Sample
| Sample ID | HSP-188 |
|---|---|
| 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 | 48.8 | WT% | EPMA | |
| TIO2 | 2.01 | WT% | EPMA | |
| AL2O3 | 16.8 | WT% | EPMA | |
| FEOT | 11.77 | WT% | EPMA | |
| MNO | 0.13 | WT% | EPMA | |
| MGO | 6.14 | WT% | EPMA | |
| CAO | 8.28 | WT% | EPMA | |
| NA2O | 3.1 | WT% | EPMA | |
| K2O | 1.88 | WT% | EPMA | |
| P2O5 | 0.28 | WT% | EPMA | |
| TOTAL | 99.16 | WT% | EPMA | |
| NB | 35 | PPM | XRF | |
| ZR | 167 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| SR | 422 | PPM | XRF | |
| RB | 53 | PPM | XRF | |
| NI | 59 | PPM | XRF | |
| CR | 65 | PPM | XRF | |
| V | 191 | PPM | XRF | |
| SC | 19 | PPM | XRF | |
| BA | 832 | PPM | XRF | |
| LA | 19.06 | PPM | INAA | |
| CE | 42.1 | PPM | INAA | |
| ND | 20.9 | PPM | INAA | |
| SM | 5.19 | PPM | INAA | |
| EU | 1.736 | PPM | INAA | |
| TB | 0.731 | PPM | INAA | |
| YB | 2.37 | PPM | INAA | |
| LU | 0.355 | PPM | INAA | |
| HF | 3.94 | PPM | INAA | |
| TA | 1.91 | PPM | INAA | |
| U | 0.4 | PPM | INAA | |
| TH | 1.54 | PPM | INAA |