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Sample DS85-130
NavDat sample number 45779 · DACITE
Sample
| Sample ID | DS85-130 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.979 |
|---|
| Longitude | -106.991 |
|---|
| Location | north of San Luis Pass |
|---|
| State / province | COLORADO |
|---|
| Formation | Nelson Mountain Caldera cycle, volcanics of Stewart Peak |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 26.5 |
|
26.1 |
26.9 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 61.13 | | WT% | XRF |
| TIO2 | 0.840773 | | WT% | XRF |
| AL2O3 | 16.5079 | | WT% | XRF |
| FE2O3 | 6.73644 | | WT% | XRF |
| MGO | 2.54283 | | WT% | XRF |
| CAO | 5.42401 | | WT% | XRF |
| NA2O | 3.18879 | | WT% | XRF |
| K2O | 3.05549 | | WT% | XRF |
| P2O5 | 0.420387 | | WT% | XRF |
| MNO | 0.12304 | | WT% | XRF |
| LOI | 2.47 | | WT% | XRF |
| TOTAL | 99.97 | | WT% | XRF |
| ZN | 67 | | PPM | XRF |
| RB | 59 | | PPM | XRF |
| SR | 1768 | | PPM | XRF |
| Y | 28 | | PPM | XRF |
| ZR | 186 | | PPM | XRF |
| NB | 13 | | PPM | XRF |
| PB | 36 | | PPM | XRF |
| CU | 12 | | PPM | XRF |
| NI | -10 | | PPM | XRF |
