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Sample SJ-85-64
NavDat sample number 45885 · PYROCLASTIC FALL
Sample
| Sample ID | SJ-85-64 |
|---|
| Rock name | PYROCLASTIC FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 38.078 |
|---|
| Longitude | -107.007 |
|---|
| Location | Cathedral Creek Ranch |
|---|
| State / province | COLORADO |
|---|
| Formation | Rat Creek Caldera Cycle, Rat Creek Tuff, lowermost nw |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 26.6 |
|
26.1 |
27 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 72.74 | | WT% | XRF |
| TIO2 | 0.275187 | | WT% | XRF |
| AL2O3 | 14.4638 | | WT% | XRF |
| FE2O3 | 2.19049 | | WT% | XRF |
| MGO | 0.858584 | | WT% | XRF |
| CAO | 2.99404 | | WT% | XRF |
| NA2O | 1.87127 | | WT% | XRF |
| K2O | 4.44702 | | WT% | XRF |
| P2O5 | 0.0880599 | | WT% | XRF |
| MNO | 0.0440299 | | WT% | XRF |
| LOI | 9.15 | | WT% | XRF |
| TOTAL | 99.97 | | WT% | XRF |
| ZN | 40 | | PPM | XRF |
| RB | 109 | | PPM | XRF |
| SR | 1331 | | PPM | XRF |
| Y | 23 | | PPM | XRF |
| ZR | 147 | | PPM | XRF |
| NB | 22 | | PPM | XRF |
| PB | 24 | | PPM | XRF |
| CU | 3 | | PPM | XRF |
| NI | 31 | | PPM | XRF |
