Sample 85L-29F
NavDat sample number 45871 · PYROCLASTIC-FLOW
Sample
| Sample ID | 85L-29F |
|---|---|
| Rock name | PYROCLASTIC-FLOW |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.916 |
|---|---|
| Longitude | -106.92 |
| Location | Nelson Mtn SE Ridge |
| State / province | COLORADO |
| Formation | Rat Creek Caldera Cycle, Rat Creek Tuff, basal vitrophyre |
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 | 65.82 | WT% | XRF | |
| TIO2 | 0.571625 | WT% | XRF | |
| AL2O3 | 16.6077 | WT% | XRF | |
| FE2O3 | 3.86868 | WT% | XRF | |
| MGO | 1.36782 | WT% | XRF | |
| CAO | 3.21539 | WT% | XRF | |
| NA2O | 3.88909 | WT% | XRF | |
| K2O | 4.1749 | WT% | XRF | |
| P2O5 | 0.214359 | WT% | XRF | |
| MNO | 0.0918683 | WT% | XRF | |
| LOI | 2.03 | WT% | XRF | |
| TOTAL | 99.82 | WT% | XRF | |
| ZN | 49 | PPM | XRF | |
| RB | 97 | PPM | XRF | |
| SR | 622 | PPM | XRF | |
| Y | 26 | PPM | XRF | |
| ZR | 337 | PPM | XRF | |
| NB | 14 | PPM | XRF | |
| PB | 76 | PPM | XRF | |
| CU | 47 | PPM | XRF | |
| RB | 93.4 | PPM | INAA | |
| BA | 1910 | PPM | INAA | |
| SR | 614 | PPM | INAA | |
| TH | 9.24 | PPM | INAA | |
| U | 2.76 | PPM | INAA | |
| LA | 49.1 | PPM | INAA | |
| CE | 94 | PPM | INAA | |
| ND | 39.1 | PPM | INAA | |
| SM | 6.78 | PPM | INAA | |
| EU | 2.08 | PPM | INAA | |
| GD | 5.57 | PPM | INAA | |
| TB | 0.82 | PPM | INAA | |
| TM | 0.416 | PPM | INAA | |
| YB | 2.74 | PPM | INAA | |
| LU | 0.415 | PPM | INAA | |
| TA | 0.973 | PPM | INAA | |
| ZR | 322 | PPM | INAA | |
| HF | 8.36 | PPM | INAA | |
| SB | 0.255 | PPM | INAA | |
| SC | 7.49 | PPM | INAA | |
| CR | 3.56 | PPM | INAA | |
| CO | 4.81 | PPM | INAA | |
| NI | 15 | PPM | INAA | |
| ZN | 76.9 | PPM | INAA |