Sample 5LT20
NavDat sample number 17530 · BASALT
Sample
| Sample ID | 5LT20 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
Location
| Latitude | 39.32 |
|---|---|
| Longitude | -106.92 |
| Location | Triangle Peak |
| State / province | Colorado |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 1.925 | 1.87 | 1.98 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 50.17 | WT% | XRF | |
| TIO2 | 1.74 | WT% | XRF | |
| AL2O3 | 16.5 | WT% | XRF | |
| FE2O3 | 10.19 | WT% | XRF | |
| MNO | 0.158 | WT% | XRF | |
| MGO | 5.5 | WT% | XRF | |
| CAO | 7.75 | WT% | XRF | |
| NA2O | 4.02 | WT% | XRF | |
| K2O | 2.96 | WT% | XRF | |
| P2O5 | 0.99 | WT% | XRF | |
| BA | 1708 | PPM | XRF | |
| CR | 119 | PPM | INAA | |
| HF | 7.8 | PPM | INAA | |
| NB | 50.9 | PPM | XRF | |
| NI | 45 | PPM | XRF | |
| RB | 76 | PPM | XRF | |
| SR | 989 | PPM | XRF | |
| TA | 2.95 | PPM | INAA | |
| TH | 6.9 | PPM | INAA | |
| U | 1.8 | PPM | INAA | |
| V | 197 | PPM | XRF | |
| W | 1 | PPM | INAA | |
| Y | 35 | PPM | XRF | |
| ZR | 268 | PPM | XRF | |
| LA | 58 | PPM | INAA | |
| CE | 125 | PPM | INAA | |
| ND | 59 | PPM | INAA | |
| SM | 11.6 | PPM | INAA | |
| EU | 3.24 | PPM | INAA | |
| TB | 1.42 | PPM | INAA | |
| YB | 2.9 | PPM | INAA | |
| LU | 0.42 | PPM | INAA |
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