Sample 87-208
NavDat sample number 16943 · VITROPHERE
Sample
| Sample ID | 87-208 |
|---|---|
| Rock name | VITROPHERE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.562 |
|---|---|
| Longitude | -106.739 |
| Location | Fox Mtn, above vitrophyre |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.1 | 27 | 27.2 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 69.6681 | WT% | XRF | |
| TIO2 | 0.425671 | WT% | XRF | |
| AL2O3 | 16.3174 | WT% | XRF | |
| FE2O3 | 2.05741 | WT% | XRF | |
| MGO | 1.10472 | WT% | XRF | |
| CAO | 1.92565 | WT% | XRF | |
| NA2O | 3.62833 | WT% | XRF | |
| K2O | 5.99993 | WT% | XRF | |
| P2O5 | 0.131755 | WT% | XRF | |
| MNO | 0.0810801 | WT% | XRF | |
| LOI | 2.25 | WT% | XRF | |
| TOTAL | 101.34 | WT% | XRF | |
| ZN | 46 | PPM | XRF | |
| RB | 147 | PPM | XRF | |
| SR | 348 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 277 | PPM | XRF | |
| BA | 1344 | PPM | XRF | |
| LA | 56 | PPM | XRF | |
| CE | 78 | PPM | XRF | |
| CU | 5 | PPM | XRF | |
| V | 21 | PPM | XRF | |
| TH | 16.2 | PPM | INAA | |
| U | 4.3 | PPM | INAA | |
| LA | 57.7 | PPM | INAA | |
| CE | 98.3 | PPM | INAA | |
| ND | 37.5 | PPM | INAA | |
| SM | 7.36 | PPM | INAA | |
| EU | 1.5 | PPM | INAA | |
| GD | 3.3 | PPM | INAA | |
| TB | 1.03 | PPM | INAA | |
| YB | 2.8 | PPM | INAA | |
| LU | 0.4 | PPM | INAA | |
| TA | 1.65 | PPM | INAA | |
| HF | 4.73 | PPM | INAA | |
| SC | 5.2 | PPM | INAA |