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Sample SAW-3
NavDat sample number 67140 · RHYOLITE
Sample
| Sample ID | SAW-3 |
|---|
| 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 | 71.1 | | WT% | XRF |
| AL2O3 | 16.3 | | WT% | XRF |
| FE2O3 | 1.01 | | WT% | XRF |
| MGO | 0.35 | | WT% | XRF |
| CAO | 1.15 | | WT% | XRF |
| NA2O | 4.51 | | WT% | XRF |
| K2O | 4.96 | | WT% | XRF |
| TIO2 | 0.19 | | WT% | XRF |
| P2O5 | 0.07 | | WT% | XRF |
| MNO | 0.03 | | WT% | XRF |
| NB | 18 | | PPM | XRF |
| ZR | 138 | | PPM | XRF |
| Y | 30 | | PPM | XRF |
| SR | 246 | | PPM | XRF |
| RB | 124 | | PPM | XRF |
| BA | 930 | | PPM | XRF |
