← Search
Sample LR88-650
NavDat sample number 45710 · PYROCLASTIC-FLOW
Sample
| Sample ID | LR88-650 |
|---|
| Rock name | PYROCLASTIC-FLOW |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.786 |
|---|
| Longitude | -106.982 |
|---|
| Location | just south of Point of Rocks |
|---|
| State / province | COLORADO |
|---|
| Formation | upper welded Snowshoe Mtn. Tuff, intracaldera, Creede Caldera cycle |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 26.92 |
|
26.85 |
26.99 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 66.24 | | WT% | XRF |
| TIO2 | 0.582099 | | WT% | XRF |
| AL2O3 | 15.5661 | | WT% | XRF |
| FE2O3 | 4.70697 | | WT% | XRF |
| MGO | 1.28463 | | WT% | XRF |
| CAO | 3.25172 | | WT% | XRF |
| NA2O | 3.5227 | | WT% | XRF |
| K2O | 4.37578 | | WT% | XRF |
| P2O5 | 0.250905 | | WT% | XRF |
| MNO | 0.0602171 | | WT% | XRF |
| LOI | 0.36 | | WT% | XRF |
| TOTAL | 99.8412 | | WT% | XRF |
| ZN | 63 | | PPM | XRF |
| RB | 122 | | PPM | XRF |
| SR | 512 | | PPM | XRF |
| Y | 23 | | PPM | XRF |
| ZR | 188 | | PPM | XRF |
| NB | 15 | | PPM | XRF |
| PB | 30 | | PPM | XRF |
| TH | 18 | | PPM | XRF |
| BA | 906 | | PPM | XRF |
| LA | 43 | | PPM | XRF |
| CE | 88 | | PPM | XRF |
| ND | 41 | | PPM | XRF |
