Sample LC57
NavDat sample number 17092 · BASALT
Sample
| Sample ID | LC57 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
Location
| Latitude | 28.0167 |
|---|---|
| Longitude | -104.733 |
| State / province | CHIHUAHUA |
| Formation | PRE-SCORBA |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 35 | 30 | 40 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 55.8 | WT% | XRF | |
| TIO2 | 1.47 | WT% | XRF | |
| AL2O3 | 17.11 | WT% | XRF | |
| FEO | 8.1 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 4.47 | WT% | XRF | |
| CAO | 7.84 | WT% | XRF | |
| NA2O | 2.79 | WT% | XRF | |
| K2O | 1.74 | WT% | XRF | |
| P2O5 | 0.54 | WT% | XRF | |
| LOI | 1.49 | WT% | XRF | |
| TOTAL | 100.48 | WT% | XRF | |
| SR | 850 | PPM | XRF | |
| RB | 28 | PPM | XRF | |
| BA | 967 | PPM | XRF | |
| TH | 3 | PPM | XRF | |
| NB | 15 | PPM | XRF | |
| ZR | 213 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| LA | 31.6 | PPM | MS-ID | |
| CE | 67.1 | PPM | MS-ID | |
| ND | 33.7 | PPM | MS-ID | |
| SM | 6.59 | PPM | MS-ID | |
| EU | 1.84 | PPM | MS-ID | |
| GD | 5.14 | PPM | MS-ID | |
| DY | 4.47 | PPM | MS-ID | |
| ER | 2.28 | PPM | MS-ID | |
| YB | 1.98 | PPM | MS-ID | |
| SR87_SR86 | 0.704412 | TIMS | ||
| SR87_SR86_INITIAL | 0.704372 | TIMS | ||
| ND143_ND144 | 0.512604 | TIMS | ||
| E_ND | -0.32 | TIMS | ||
| PB206_PB204 | 18.527 | TIMS | ||
| PB207_PB204 | 15.616 | TIMS | ||
| PB208_PB204 | 38.381 | TIMS |
References
- Cameron, K L; Nimz, G J; Kuentz, D; Niemeyer, S; Gunn, S (1989) Southern Cordilleran basaltic andesite suite, southern Chihuahua, Mexico; a link between Tertiary continental arc and flood basalt magmatism in North America. Journal of Geophysical Research, B, Solid Earth and Planets, vol.94, no.6, pp.7817-7840, 10 Jun 1989 doi:10.1029/JB094iB06p07817