Sample 5LT74
NavDat sample number 31426 · BASALT
Sample
| Sample ID | 5LT74 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | Lava |
Location
| Latitude | 40.5 |
|---|---|
| Longitude | -106.83 |
| 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 | 45.2 | WT% | WDXRF | |
| MGO | 11.3 | WT% | WDXRF | |
| TIO2 | 1.9 | WT% | WDXRF | |
| AL2O3 | 14 | WT% | WDXRF | |
| FE2O3 | 11.2 | WT% | WDXRF | |
| MNO | 0.18 | WT% | WDXRF | |
| CAO | 11.18 | WT% | WDXRF | |
| NA2O | 3.52 | WT% | WDXRF | |
| K2O | 0.93 | WT% | WDXRF | |
| P2O5 | 0.74 | WT% | WDXRF | |
| BA | 1669 | PPM | WDXRF | |
| CO | 40 | PPM | WDXRF | |
| CR | 353 | PPM | WDXRF | |
| CS | -3 | PPM | INAA | |
| HF | 6 | PPM | INAA | |
| NB | 51 | PPM | WDXRF | |
| NI | 202 | PPM | WDXRF | |
| RB | 41 | PPM | WDXRF | |
| SC | 33 | PPM | INAA | |
| SR | 854 | PPM | WDXRF | |
| TA | 2.75 | PPM | INAA | |
| TH | 7.1 | PPM | INAA | |
| U | 1.5 | PPM | INAA | |
| V | 225 | PPM | WDXRF | |
| W | 4.8 | PPM | INAA | |
| Y | 28 | PPM | WDXRF | |
| ZN | 81 | PPM | WDXRF | |
| ZR | 201 | PPM | WDXRF | |
| LA | 49 | PPM | INAA | |
| CE | 130 | PPM | INAA | |
| ND | 57 | PPM | INAA | |
| SM | 9.2 | PPM | INAA | |
| EU | 2.08 | PPM | INAA | |
| TB | 1.24 | PPM | INAA | |
| YB | 2 | PPM | INAA | |
| LU | 0.28 | 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