Sample M178
NavDat sample number 17098 · ANDESITE
Sample
| Sample ID | M178 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 26.8 |
|---|---|
| Longitude | -107.133 |
| State / province | CHIHUAHUA |
| Formation | SCORBA |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 24 | 19 | 29 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 52.97 | WT% | XRF | |
| TIO2 | 1.73 | WT% | XRF | |
| AL2O3 | 16.12 | WT% | XRF | |
| FEO | 9.72 | WT% | XRF | |
| MNO | 0.17 | WT% | XRF | |
| MGO | 4.99 | WT% | XRF | |
| CAO | 8.43 | WT% | XRF | |
| NA2O | 3.4 | WT% | XRF | |
| K2O | 1.61 | WT% | XRF | |
| P2O5 | 0.87 | WT% | XRF | |
| LOI | 0.22 | WT% | XRF | |
| TOTAL | 100.29 | WT% | XRF | |
| SR | 597 | PPM | XRF | |
| RB | 32 | PPM | XRF | |
| BA | 1007 | PPM | XRF | |
| TH | 4 | PPM | XRF | |
| NB | 17 | PPM | XRF | |
| ZR | 304 | PPM | XRF | |
| Y | 43 | PPM | XRF | |
| LA | 38.9 | PPM | MS-ID | |
| CE | 84 | PPM | MS-ID | |
| ND | 46.9 | PPM | MS-ID | |
| SM | 9.64 | PPM | MS-ID | |
| EU | 2.68 | PPM | MS-ID | |
| GD | 8.54 | PPM | MS-ID | |
| DY | 7.89 | PPM | MS-ID | |
| ER | 4.31 | PPM | MS-ID | |
| YB | 3.71 | PPM | MS-ID | |
| SR87_SR86 | 0.70506 | TIMS | ||
| SR87_SR86_INITIAL | 0.705008 | TIMS | ||
| ND143_ND144 | 0.512629 | TIMS | ||
| E_ND | 0.08 | TIMS | ||
| PB206_PB204 | 18.836 | TIMS | ||
| PB207_PB204 | 15.654 | TIMS | ||
| PB208_PB204 | 38.681 | 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