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Sample EC5
NavDat sample number 7799 · DACITE
Sample
| Sample ID | EC5 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | vitrophyre |
|---|
Location
| Latitude | 28.8333 |
|---|
| Longitude | -104.333 |
|---|
| Location | Sierra el Virulento |
|---|
| State / province | Chihuahua |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 29.5 |
|
29 |
30 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 69.9 | | WT% | XRF |
| TIO2 | 0.59 | | WT% | XRF |
| AL2O3 | 15.3 | | WT% | XRF |
| FE2O3 | 2.16 | | WT% | XRF |
| FEO | 0.36 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| CAO | 1.14 | | WT% | XRF |
| NA2O | 5.21 | | WT% | XRF |
| MGO | 0.6 | | WT% | XRF |
| K2O | 4.51 | | WT% | XRF |
| P2O5 | 0.14 | | WT% | XRF |
| LOI | 4.64 | | WT% | XRF |
| Y | 52 | | PPM | XRF |
| SR | 102 | | PPM | XRF |
| RB | 227 | | PPM | XRF |
| TH | 16 | | PPM | XRF |
| SR87_SR86 | 0.708 | | | XRF |
