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Sample LR89-017
NavDat sample number 46088 · RHYOLITE
Sample
| Sample ID | LR89-017 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.771 |
|---|
| Longitude | -107.411 |
|---|
| Location | Gateview, Hwy 149, Dutch Gulch |
|---|
| State / province | COLORADO |
|---|
| Formation | western San Juan units, Blue Mesa Tuff |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 28.5 |
|
28.33 |
28.79 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 74.79 | | WT% | XRF |
| TIO2 | 0.315794 | | WT% | XRF |
| AL2O3 | 15.1072 | | WT% | XRF |
| FE2O3 | 1.12056 | | WT% | XRF |
| MGO | 0.264859 | | WT% | XRF |
| CAO | 0.397289 | | WT% | XRF |
| NA2O | 2.24112 | | WT% | XRF |
| K2O | 5.66391 | | WT% | XRF |
| P2O5 | 0.0305607 | | WT% | XRF |
| MNO | 0.0101869 | | WT% | XRF |
| LOI | 1.83 | | WT% | XRF |
| TOTAL | 99.9414 | | WT% | XRF |
| ZN | 25 | | PPM | XRF |
| RB | 162 | | PPM | XRF |
| SR | 119 | | PPM | XRF |
| Y | 29 | | PPM | XRF |
| ZR | 240 | | PPM | XRF |
| NB | 22 | | PPM | XRF |
| PB | 32 | | PPM | XRF |
| TH | 42 | | PPM | XRF |
| BA | 975 | | PPM | XRF |
| LA | 65 | | PPM | XRF |
| CE | 104 | | PPM | XRF |
| ND | 34 | | PPM | XRF |
