Sample US68
NavDat sample number 17519 · BASALT
Sample
| Sample ID | US68 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
Location
| Latitude | 39.67 |
|---|---|
| Longitude | -107.15 |
| Location | Willow Peak |
| State / province | Colorado |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.005 | 0 | 0.01 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 49.73 | WT% | XRF | |
| TIO2 | 1.51 | WT% | XRF | |
| AL2O3 | 16.22 | WT% | XRF | |
| FE2O3 | 11.04 | WT% | XRF | |
| MNO | 0.169 | WT% | XRF | |
| MGO | 6.28 | WT% | XRF | |
| CAO | 8.11 | WT% | XRF | |
| NA2O | 3.09 | WT% | XRF | |
| K2O | 2.65 | WT% | XRF | |
| P2O5 | 0.62 | WT% | XRF | |
| BA | 1830 | PPM | XRF | |
| BE | 1.2 | PPM | ICPAES | |
| CR | 88 | PPM | INAA | |
| CS | 1.9 | PPM | INAA | |
| HF | 5.7 | PPM | INAA | |
| NB | 30 | PPM | XRF | |
| NI | 48 | PPM | XRF | |
| RB | 57 | PPM | XRF | |
| SC | 22.3 | PPM | INAA | |
| SR | 800 | PPM | XRF | |
| TA | 1.71 | PPM | INAA | |
| TH | 4.7 | PPM | INAA | |
| U | 0.9 | PPM | INAA | |
| V | 225 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 192 | PPM | XRF | |
| LA | 35 | PPM | INAA | |
| CE | 76 | PPM | INAA | |
| ND | 43 | PPM | INAA | |
| SM | 8.4 | PPM | INAA | |
| EU | 2.41 | PPM | INAA | |
| GD | 6.7 | PPM | INAA | |
| TB | 1.04 | PPM | INAA | |
| YB | 2.15 | PPM | INAA | |
| LU | 0.41 | PPM | INAA | |
| ND143_ND144 | 0.512415 | MS | ||
| SR87_SR86 | 0.705688 | MS |
References
- Leat, P T; Thompson, R N; Dickin, A N; Morrison, M A; Hendry, G L (1989) Quaternary volcanism in northwestern Colorado; implications for the roles of asthenosphere and lithosphere in the genesis of continental basalts. Journal of Volcanology and Geothermal Research. 37; 3-4, Pages 291-310. 1989. . doi:10.1016/0377-0273(89)90085-1