Sample MXU7613
NavDat sample number 17097 · ANDESITE
Sample
| Sample ID | MXU7613 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 27.0833 |
|---|---|
| Longitude | -107.783 |
| State / province | CHIHUAHUA |
| Formation | SCORBA |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 20 | 15 | 25 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 52.29 | WT% | XRF | |
| TIO2 | 1.58 | WT% | XRF | |
| AL2O3 | 16.87 | WT% | XRF | |
| FEO | 10 | WT% | XRF | |
| MNO | 0.17 | WT% | XRF | |
| MGO | 5.2 | WT% | XRF | |
| CAO | 8.74 | WT% | XRF | |
| NA2O | 3.11 | WT% | XRF | |
| K2O | 1.3 | WT% | XRF | |
| P2O5 | 0.74 | WT% | XRF | |
| LOI | 0.4 | WT% | XRF | |
| TOTAL | 100.11 | WT% | XRF | |
| SR | 639 | PPM | XRF | |
| RB | 22 | PPM | XRF | |
| BA | 732 | PPM | XRF | |
| TH | 2 | PPM | XRF | |
| NB | 14 | PPM | XRF | |
| ZR | 225 | PPM | XRF | |
| Y | 32 | PPM | XRF | |
| LA | 29.8 | PPM | MS-ID | |
| CE | 61.6 | PPM | MS-ID | |
| ND | 35.7 | PPM | MS-ID | |
| SM | 7.55 | PPM | MS-ID | |
| EU | 2.19 | PPM | MS-ID | |
| GD | 6.39 | PPM | MS-ID | |
| DY | 5.65 | PPM | MS-ID | |
| ER | 3.04 | PPM | MS-ID | |
| YB | 2.61 | PPM | MS-ID | |
| SR87_SR86 | 0.70498 | TIMS | ||
| SR87_SR86_INITIAL | 0.704952 | TIMS | ||
| ND143_ND144 | 0.512653 | TIMS | ||
| E_ND | 0.51 | TIMS | ||
| PB206_PB204 | 18.82 | TIMS | ||
| PB207_PB204 | 15.62 | TIMS | ||
| PB208_PB204 | 38.609 | 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