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Sample LR89-016
NavDat sample number 46075 · RHYOLITE
Sample
| Sample ID | LR89-016 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 38.273 |
|---|
| Longitude | -107.178 |
|---|
| Location | Gateview area, Hwy 149, junction with Sapinero Mesa rd |
|---|
| State / province | COLORADO |
|---|
| Formation | La Garita Caldera cycle, Fish Canyon tuff, outflow sheet |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 28.5 |
|
28.4 |
28.6 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 66.3059 | | WT% | XRF |
| TIO2 | 0.556342 | | WT% | XRF |
| AL2O3 | 16.3059 | | WT% | XRF |
| FE2O3 | 4.3624 | | WT% | XRF |
| MGO | 0.758649 | | WT% | XRF |
| CAO | 3.15598 | | WT% | XRF |
| NA2O | 3.84382 | | WT% | XRF |
| K2O | 3.92474 | | WT% | XRF |
| P2O5 | 0.202306 | | WT% | XRF |
| MNO | 0.0910378 | | WT% | XRF |
| LOI | 0.56 | | WT% | XRF |
| TOTAL | 99.507 | | WT% | XRF |
| ZN | 69 | | PPM | XRF |
| RB | 101 | | PPM | XRF |
| SR | 525 | | PPM | XRF |
| Y | 24 | | PPM | XRF |
| ZR | 182 | | PPM | XRF |
| NB | 18 | | PPM | XRF |
| PB | 55 | | PPM | XRF |
| TH | 27 | | PPM | XRF |
| BA | 1164 | | PPM | XRF |
| LA | 51 | | PPM | XRF |
| CE | 90 | | PPM | XRF |
| ND | 38 | | PPM | XRF |
