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Sample 86L-38B
NavDat sample number 46017 · RHYOLITE
Sample
| Sample ID | 86L-38B |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.899 |
|---|
| Longitude | -106.928 |
|---|
| Location | Nelson Creek jeep trail, west side |
|---|
| State / province | COLORADO |
|---|
| Formation | Bachelor Caldera Cycle, Intracaldera Bachelor Member |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 27.35 |
|
27.25 |
27.45 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 73.7293 | | WT% | XRF |
| TIO2 | 0.28954 | | WT% | XRF |
| AL2O3 | 14.1668 | | WT% | XRF |
| FE2O3 | 2.07848 | | WT% | XRF |
| MGO | 0.682487 | | WT% | XRF |
| CAO | 0.599762 | | WT% | XRF |
| NA2O | 0.56874 | | WT% | XRF |
| K2O | 6.71113 | | WT% | XRF |
| P2O5 | 0.072385 | | WT% | XRF |
| MNO | 0.0413629 | | WT% | XRF |
| LOI | 3.26 | | WT% | XRF |
| TOTAL | 98.94 | | WT% | XRF |
| ZN | 46 | | PPM | XRF |
| SR | 100 | | PPM | XRF |
| Y | 22 | | PPM | XRF |
| PB | 23 | | PPM | XRF |
| TH | 18 | | PPM | XRF |
| BA | 600 | | PPM | XRF |
| LA | 59 | | PPM | XRF |
| CE | 95 | | PPM | XRF |
| CU | 5 | | PPM | XRF |
| GA | 15 | | PPM | XRF |
