Sample 5LT84
NavDat sample number 31442 · BASALT
Sample
| Sample ID | 5LT84 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | Bomb 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 | 47.7 | WT% | WDXRF | |
| MGO | 6.96 | WT% | WDXRF | |
| TIO2 | 2 | WT% | WDXRF | |
| AL2O3 | 13.2 | WT% | WDXRF | |
| FE2O3 | 11.14 | WT% | WDXRF | |
| MNO | 0.17 | WT% | WDXRF | |
| CAO | 12.57 | WT% | WDXRF | |
| NA2O | 2.47 | WT% | WDXRF | |
| K2O | 2.09 | WT% | WDXRF | |
| P2O5 | 0.81 | WT% | WDXRF | |
| BA | 1549 | PPM | WDXRF | |
| CR | 82 | PPM | WDXRF | |
| HF | 5.6 | PPM | INAA | |
| NB | 57 | PPM | WDXRF | |
| NI | 250 | PPM | WDXRF | |
| RB | 48 | PPM | WDXRF | |
| SC | 21.9 | PPM | INAA | |
| SR | 916 | PPM | WDXRF | |
| TA | 3.2 | PPM | INAA | |
| TH | 6.1 | PPM | INAA | |
| U | 2.1 | PPM | INAA | |
| V | 200 | PPM | WDXRF | |
| W | 6.8 | PPM | INAA | |
| Y | 26 | PPM | WDXRF | |
| ZN | 92 | PPM | WDXRF | |
| ZR | 220 | PPM | WDXRF | |
| LA | 45 | PPM | INAA | |
| CE | 100 | PPM | INAA | |
| ND | 47 | PPM | INAA | |
| SM | 8.6 | PPM | INAA | |
| EU | 2.45 | PPM | INAA | |
| GD | 6.5 | PPM | INAA | |
| TB | 1.04 | PPM | INAA | |
| YB | 1.84 | PPM | INAA | |
| LU | 0.26 | PPM | INAA | |
| ND143_ND144 | 0.512259 | TIMS | ||
| SR87_SR86 | 0.70436 | TIMS |
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