Sample 5LT97
NavDat sample number 31448 · BASALT
Sample
| Sample ID | 5LT97 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | Bomb in pyroclasic deposit |
Location
| Latitude | 39 |
|---|---|
| Longitude | -106.84 |
| 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 | 6.49 | WT% | WDXRF | |
| TIO2 | 1.78 | WT% | WDXRF | |
| AL2O3 | 12.44 | WT% | WDXRF | |
| FE2O3 | 8.6 | WT% | WDXRF | |
| MNO | 0.23 | WT% | WDXRF | |
| CAO | 19.36 | WT% | WDXRF | |
| NA2O | 2.57 | WT% | WDXRF | |
| K2O | 2.31 | WT% | WDXRF | |
| P2O5 | 1.14 | WT% | WDXRF | |
| BA | 1130 | PPM | WDXRF | |
| BE | 1.9 | PPM | ICPAES | |
| CO | 17 | PPM | WDXRF | |
| CR | 76 | PPM | WDXRF | |
| HF | 6.1 | PPM | INAA | |
| NB | 64 | PPM | WDXRF | |
| NI | 74 | PPM | WDXRF | |
| RB | 49 | PPM | WDXRF | |
| SR | 901 | PPM | WDXRF | |
| TA | 3.8 | PPM | INAA | |
| TH | 6 | PPM | INAA | |
| U | 3.9 | PPM | INAA | |
| V | 155 | PPM | WDXRF | |
| Y | 22 | PPM | WDXRF | |
| ZN | 66 | PPM | WDXRF | |
| ZR | 226 | PPM | WDXRF | |
| LA | 49 | PPM | INAA | |
| CE | 105 | PPM | INAA | |
| ND | 48 | PPM | INAA | |
| SM | 7.6 | PPM | INAA | |
| EU | 2.17 | PPM | INAA | |
| GD | 5.2 | PPM | INAA | |
| TB | 0.85 | PPM | INAA | |
| YB | 1.35 | 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