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Sample SAW-2
NavDat sample number 67139 · RHYOLITE
Sample
| Sample ID | SAW-2 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | composite stock |
|---|
Location
| Latitude | 39.08 |
|---|
| Longitude | -106.58 |
|---|
| Location | east side Sawmill stock |
|---|
| State / province | COLORADO |
|---|
| Formation | Post-resurgent intrusions of Grizzly Peak Cauldron |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 33 |
|
29.7 |
36.3 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 71.4 | | WT% | XRF |
| AL2O3 | 16.29 | | WT% | XRF |
| FE2O3 | 1.96 | | WT% | XRF |
| MGO | 0.62 | | WT% | XRF |
| CAO | 1.88 | | WT% | XRF |
| NA2O | 4.3 | | WT% | XRF |
| K2O | 4.31 | | WT% | XRF |
| TIO2 | 0.28 | | WT% | XRF |
| P2O5 | 0.11 | | WT% | XRF |
| MNO | 0.1 | | WT% | XRF |
| NB | 16 | | PPM | XRF |
| ZR | 162 | | PPM | XRF |
| Y | 27 | | PPM | XRF |
| SR | 438 | | PPM | XRF |
| RB | 116 | | PPM | XRF |
| BA | 1215 | | PPM | XRF |
