Sample 5LT85
NavDat sample number 31443 · BASALT
Sample
| Sample ID | 5LT85 |
|---|---|
| Rock name | BASALT |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | Dike in volcanic neck |
Location
| Latitude | 39.25 |
|---|---|
| Longitude | -106.88 |
| Location | YAMPA AREA |
| State / province | Colorado |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 8.75 | 7.5 | 10 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 44.3 | WT% | WDXRF | |
| MGO | 9.07 | WT% | WDXRF | |
| TIO2 | 2.18 | WT% | WDXRF | |
| AL2O3 | 13.54 | WT% | WDXRF | |
| FE2O3 | 11.76 | WT% | WDXRF | |
| MNO | 0.19 | WT% | WDXRF | |
| CAO | 13.37 | WT% | WDXRF | |
| NA2O | 2.3 | WT% | WDXRF | |
| K2O | 2.08 | WT% | WDXRF | |
| P2O5 | 0.85 | WT% | WDXRF | |
| BA | 3980 | PPM | WDXRF | |
| CR | 292 | PPM | WDXRF | |
| HF | 6.1 | PPM | INAA | |
| NB | 65 | PPM | WDXRF | |
| NI | 254 | PPM | WDXRF | |
| RB | 64 | PPM | WDXRF | |
| SC | 23.1 | PPM | INAA | |
| SR | 1004 | PPM | WDXRF | |
| TA | 3.6 | PPM | INAA | |
| TH | 6 | PPM | INAA | |
| U | 1.4 | PPM | INAA | |
| V | 208 | PPM | WDXRF | |
| W | 2.9 | PPM | INAA | |
| Y | 25 | PPM | WDXRF | |
| ZN | 97 | PPM | WDXRF | |
| ZR | 224 | PPM | WDXRF | |
| LA | 53 | PPM | INAA | |
| CE | 113 | PPM | INAA | |
| ND | 52 | PPM | INAA | |
| SM | 8.9 | PPM | INAA | |
| EU | 2.64 | PPM | INAA | |
| GD | 6.5 | PPM | INAA | |
| TB | 1 | PPM | INAA | |
| YB | 1.75 | PPM | INAA | |
| LU | 0.22 | PPM | INAA |
References
- Leat, P T; Thompson, R N; Morrison, M A; Hendry, G L; Dickin, A P (1991) Alkaline hybrid mafic magmas of the Yampa area, NW Colorado, and their relationship to the Yellowstone mantle plume and lithospheric mantle domains. Contributions to Mineralogy and Petrology. 107; 3, Pages 310-327. 1991. . doi:10.1007/BF00325101