Sample 7
NavDat sample number 14547 · ALKALI BASALT
Sample
| Sample ID | 7 |
|---|---|
| Rock name | ALKALI BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
Location
| Latitude | 35.253 |
|---|---|
| Longitude | -107.687 |
| Location | La Jara Mesa |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 2.89 | 2.79 | 2.99 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 47.72 | WT% | XRF | |
| TIO2 | 2.77 | WT% | XRF | |
| AL2O3 | 15.17 | WT% | XRF | |
| FE2O3 | 1.9 | WT% | XRF | |
| FE2O3T | 12.68 | WT% | XRF | |
| FEO | 9.7 | WT% | XRF | |
| MNO | 0.17 | WT% | XRF | |
| MGO | 7.26 | WT% | XRF | |
| CAO | 8.42 | WT% | XRF | |
| NA2O | 3.22 | WT% | XRF | |
| K2O | 1.38 | WT% | XRF | |
| P2O5 | 0.59 | WT% | XRF | |
| TOTAL | 98.3 | WT% | XRF | |
| SR | 721 | PPM | MS-ID | |
| RB | 24.8 | PPM | MS-ID | |
| ND | 34.1 | PPM | MS-ID | |
| SM | 7.17 | PPM | MS-ID | |
| ZR | 240 | PPM | MS-ID | |
| CR | 149 | PPM | MS-ID | |
| SR87_SR86 | 0.70369 | MS | ||
| ND143_ND144 | 0.512052 | MS |
References
- Perry, Frank V; Baldridge, W Scott; DePaolo, Donald J (1987) Role of asthenosphere and lithosphere in the genesis of late Cenozoic basaltic rocks from the Rio Grande Rift and adjacent regions of the Southwestern United States. Journal of Geophysical Research, B, Solid Earth and Planets. 92; 9, Pages 9193-9213. 1987. . doi:10.1029/JB092iB09p09193