Sample 5LT77
NavDat sample number 31428 · BASALT
Sample
| Sample ID | 5LT77 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | Bomb in pyroclasic deposit |
Location
| Latitude | 40.25 |
|---|---|
| Longitude | -106.9 |
| 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 | WT% | WDXRF | |
| MGO | 3.69 | WT% | WDXRF | |
| TIO2 | 1.49 | WT% | WDXRF | |
| AL2O3 | 12.74 | WT% | WDXRF | |
| FE2O3 | 7.06 | WT% | WDXRF | |
| MNO | 0.18 | WT% | WDXRF | |
| CAO | 26.13 | WT% | WDXRF | |
| NA2O | 2.3 | WT% | WDXRF | |
| K2O | 2.21 | WT% | WDXRF | |
| P2O5 | 0.71 | WT% | WDXRF | |
| BA | 1319 | PPM | WDXRF | |
| BE | 1.4 | PPM | ICPAES | |
| CO | 14 | PPM | WDXRF | |
| CR | 102 | PPM | WDXRF | |
| CS | -1.2 | PPM | INAA | |
| HF | 4.6 | PPM | INAA | |
| NB | 39.9 | PPM | WDXRF | |
| NI | 48 | PPM | WDXRF | |
| RB | 35 | PPM | WDXRF | |
| SC | 14.2 | PPM | INAA | |
| SR | 689 | PPM | WDXRF | |
| TA | 2.27 | PPM | INAA | |
| TH | 4.8 | PPM | INAA | |
| U | 5.3 | PPM | INAA | |
| V | 153 | PPM | WDXRF | |
| W | 6.4 | PPM | INAA | |
| Y | 19 | PPM | WDXRF | |
| ZN | 75 | PPM | WDXRF | |
| ZR | 185 | PPM | WDXRF | |
| LA | 48 | PPM | INAA | |
| CE | 91 | PPM | INAA | |
| ND | 43 | PPM | INAA | |
| SM | 6.7 | PPM | INAA | |
| EU | 1.79 | PPM | INAA | |
| TB | 0.75 | PPM | INAA | |
| YB | 1.36 | PPM | INAA | |
| LU | 0.19 | PPM | INAA | |
| SR87_SR86 | 0.70446 | 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