Sample 5LT90
NavDat sample number 31462 · BASALT
Sample
| Sample ID | 5LT90 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | Bomb in pyroclasic deposit |
Location
| Latitude | 39.13 |
|---|---|
| Longitude | -106.79 |
| 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 | 45.8 | WT% | WDXRF | |
| MGO | 8.62 | WT% | WDXRF | |
| TIO2 | 2.65 | WT% | WDXRF | |
| AL2O3 | 15.1 | WT% | WDXRF | |
| FE2O3 | 12.73 | WT% | WDXRF | |
| MNO | 0.18 | WT% | WDXRF | |
| CAO | 9.61 | WT% | WDXRF | |
| NA2O | 2.5 | WT% | WDXRF | |
| K2O | 2.21 | WT% | WDXRF | |
| P2O5 | 0.73 | WT% | WDXRF | |
| BA | 1256 | PPM | WDXRF | |
| BE | 2.2 | PPM | ICPAES | |
| CO | 53 | PPM | WDXRF | |
| CR | 249 | PPM | WDXRF | |
| HF | 6.5 | PPM | INAA | |
| NB | 72 | PPM | WDXRF | |
| NI | 202 | PPM | WDXRF | |
| RB | 38 | PPM | WDXRF | |
| SC | 25 | PPM | INAA | |
| SR | 801 | PPM | WDXRF | |
| TA | 4.3 | PPM | INAA | |
| TH | 4.1 | PPM | INAA | |
| U | 1.4 | PPM | INAA | |
| V | 249 | PPM | WDXRF | |
| W | 1.7 | PPM | INAA | |
| Y | 29 | PPM | WDXRF | |
| ZN | 126 | PPM | WDXRF | |
| ZR | 262 | PPM | WDXRF | |
| LA | 44 | PPM | INAA | |
| CE | 101 | PPM | INAA | |
| ND | 49 | PPM | INAA | |
| SM | 9.2 | PPM | INAA | |
| EU | 2.83 | PPM | INAA | |
| TB | 1.17 | PPM | INAA | |
| YB | 1.96 | PPM | INAA | |
| LU | 0.23 | PPM | INAA | |
| ND143_ND144 | 0.512627 | TIMS | ||
| SR87_SR86 | 0.70395 | 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