Sample SM-1B
NavDat sample number 11720
Sample
| Sample ID | SM-1B |
|---|---|
| Rock type | VOLCANIC |
| Material | IGNEOUS |
Location
| Latitude | 43.3867 |
|---|---|
| Longitude | -114.503 |
| Location | Square Mountain |
| State / province | Idaho |
| Volcanic field | Square Mountain basalt |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 5 | 5 | 6 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SM | 11.5 | PPM | INAA | |
| ND | 62 | PPM | INAA | |
| SM147_ND144 | 0.112 | TIMS | ||
| ND143_ND144 | 0.511914 | TIMS | ||
| RB | 60 | PPM | XRF | |
| SR | 287 | PPM | XRF | |
| RB87_SR86 | 0.604 | TIMS | ||
| SR87_SR86 | 0.71387 | TIMS | ||
| PB | 18.2 | PPM | UNKNOWN | |
| U | 1.24 | PPM | UNKNOWN | |
| TH | 6.78 | PPM | UNKNOWN | |
| PB206_PB204 | 19.02 | TIMS | ||
| PB207_PB204 | 15.75 | TIMS | ||
| PB208_PB204 | 39.06 | TIMS | ||
| SIO2 | 59.9 | WT% | UNKNOWN | |
| TIO2 | 1.95 | WT% | UNKNOWN | |
| AL2O3 | 14.8 | WT% | UNKNOWN | |
| FEOT | 9.06 | WT% | UNKNOWN | |
| MNO | 0.2 | WT% | UNKNOWN | |
| MGO | 0.35 | WT% | UNKNOWN | |
| CAO | 3.19 | WT% | UNKNOWN | |
| NA2O | 4.05 | WT% | UNKNOWN | |
| K2O | 4.67 | WT% | UNKNOWN | |
| P2O5 | 0.19 | WT% | UNKNOWN |
References
- Leeman, William P; Menzies, Martin A; Matty, David J; Embree, Glen F (1985) Strontium, neodymium and lead isotopic compositions of deep crustalxenoliths from the Snake River plain; evidence for Archean basement. Earth and Planetary Science Letters, vol.75, no.4, pp.354-368, Nov1985 doi:10.1016/0012-821X(85)90179-7