Sample US67
NavDat sample number 17517 · BASALT
Sample
| Sample ID | US67 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
Location
| Latitude | 39.67 |
|---|---|
| Longitude | -107.03 |
| Location | Dotsero |
| State / province | Colorado |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.004 | 0.0036 | 0.0044 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 47.93 | WT% | XRF | |
| TIO2 | 1.58 | WT% | XRF | |
| AL2O3 | 16.18 | WT% | XRF | |
| FE2O3 | 11.86 | WT% | XRF | |
| MNO | 0.19 | WT% | XRF | |
| MGO | 7.24 | WT% | XRF | |
| CAO | 8.51 | WT% | XRF | |
| NA2O | 3.41 | WT% | XRF | |
| K2O | 2.58 | WT% | XRF | |
| P2O5 | 0.7 | WT% | XRF | |
| BA | 1786 | PPM | XRF | |
| BE | 1.2 | PPM | ICPAES | |
| CR | 88 | PPM | INAA | |
| CS | 2.6 | PPM | INAA | |
| HF | 5.9 | PPM | INAA | |
| NB | 34 | PPM | XRF | |
| NI | 65 | PPM | XRF | |
| RB | 60 | PPM | XRF | |
| SC | 23.8 | PPM | INAA | |
| SR | 846 | PPM | XRF | |
| TA | 1.95 | PPM | INAA | |
| TH | 4.5 | PPM | INAA | |
| U | 1.1 | PPM | INAA | |
| V | 248 | PPM | XRF | |
| W | 1.2 | PPM | INAA | |
| Y | 31 | PPM | XRF | |
| ZR | 204 | PPM | XRF | |
| LA | 38 | PPM | INAA | |
| CE | 74 | PPM | INAA | |
| ND | 42 | PPM | INAA | |
| SM | 8.5 | PPM | INAA | |
| EU | 2.63 | PPM | INAA | |
| GD | 8.3 | PPM | INAA | |
| TB | 1.27 | PPM | INAA | |
| YB | 2.28 | PPM | INAA | |
| LU | 0.3 | PPM | INAA | |
| ND143_ND144 | 0.512416 | MS | ||
| SR87_SR86 | 0.710244 | 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