Sample 85L-4
NavDat sample number 46052 · VITROPHERE
Sample
| Sample ID | 85L-4 |
|---|---|
| Rock name | VITROPHERE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.872 |
|---|---|
| Longitude | -106.994 |
| Location | Miners Creek, along trail |
| State / province | COLORADO |
| Formation | Bachelor Caldera Cycle, Intracaldera Bachelor Member, landslide blocks |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.35 | 27.25 | 27.45 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74.96 | WT% | XRF | |
| TIO2 | 0.189403 | WT% | XRF | |
| AL2O3 | 13.3318 | WT% | XRF | |
| FE2O3 | 1.28373 | WT% | XRF | |
| MGO | 0.210447 | WT% | XRF | |
| CAO | 0.904923 | WT% | XRF | |
| NA2O | 3.39872 | WT% | XRF | |
| K2O | 5.16648 | WT% | XRF | |
| P2O5 | 0.0631342 | WT% | XRF | |
| MNO | 0 | WT% | XRF | |
| LOI | 4.94 | WT% | XRF | |
| TOTAL | 99.51 | WT% | XRF | |
| ZN | 41 | PPM | XRF | |
| RB | 178 | PPM | XRF | |
| SR | 74 | PPM | XRF | |
| Y | 20 | PPM | XRF | |
| ZR | 158 | PPM | XRF | |
| NB | 20 | PPM | XRF | |
| PB | 30 | PPM | XRF | |
| RB | 165 | PPM | INAA | |
| BA | 240 | PPM | INAA | |
| SR | -75 | PPM | INAA | |
| TH | 19 | PPM | INAA | |
| U | 6.27 | PPM | INAA | |
| LA | 50 | PPM | INAA | |
| CE | 93.1 | PPM | INAA | |
| ND | 34.4 | PPM | INAA | |
| SM | 6.17 | PPM | INAA | |
| EU | 0.734 | PPM | INAA | |
| GD | 4.85 | PPM | INAA | |
| TB | 0.729 | PPM | INAA | |
| TM | 0.416 | PPM | INAA | |
| YB | 2.82 | PPM | INAA | |
| LU | 0.436 | PPM | INAA | |
| TA | 1.47 | PPM | INAA | |
| ZR | 134 | PPM | INAA | |
| HF | 4.98 | PPM | INAA | |
| SB | 0.413 | PPM | INAA | |
| SC | 3.75 | PPM | INAA | |
| CO | 0.774 | PPM | INAA | |
| NI | 5.98 | PPM | INAA | |
| ZN | 39.4 | PPM | INAA |