Sample M116
NavDat sample number 17102 · ANDESITE
Sample
| Sample ID | M116 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 27.9167 |
|---|---|
| Longitude | -105.2 |
| State / province | CHIHUAHUA |
| Formation | SCORBA |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 26 | 21 | 31 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 55.22 | WT% | XRF | |
| TIO2 | 1.64 | WT% | XRF | |
| AL2O3 | 15.97 | WT% | XRF | |
| FEO | 8.79 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| MGO | 4.58 | WT% | XRF | |
| CAO | 6.89 | WT% | XRF | |
| NA2O | 4 | WT% | XRF | |
| K2O | 2.09 | WT% | XRF | |
| P2O5 | 0.67 | WT% | XRF | |
| LOI | 0.49 | WT% | XRF | |
| TOTAL | 100.06 | WT% | XRF | |
| SR | 598 | PPM | XRF | |
| RB | 41 | PPM | XRF | |
| BA | 1088 | PPM | XRF | |
| TH | 5 | PPM | XRF | |
| NB | 22 | PPM | XRF | |
| ZR | 325 | PPM | XRF | |
| Y | 33 | PPM | XRF | |
| LA | 43.1 | PPM | MS-ID | |
| CE | 88.6 | PPM | MS-ID | |
| ND | 43.2 | PPM | MS-ID | |
| SM | 8.23 | PPM | MS-ID | |
| EU | 2.3 | PPM | MS-ID | |
| GD | 6.63 | PPM | MS-ID | |
| DY | 5.72 | PPM | MS-ID | |
| ER | 2.94 | PPM | MS-ID | |
| YB | 2.53 | PPM | MS-ID | |
| SR87_SR86 | 0.74053 | TIMS | ||
| SR87_SR86_INITIAL | 0.704459 | TIMS | ||
| ND143_ND144 | 0.512537 | TIMS | ||
| E_ND | -1.66 | TIMS | ||
| PB206_PB204 | 18.331 | TIMS | ||
| PB207_PB204 | 15.606 | TIMS | ||
| PB208_PB204 | 38.223 | 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