Sample 87-217
NavDat sample number 16944 · TUFF
Sample
| Sample ID | 87-217 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.865 |
|---|---|
| Longitude | -106.801 |
| Location | Silver Park |
| 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 | 68.9156 | WT% | XRF | |
| TIO2 | 0.444356 | WT% | XRF | |
| AL2O3 | 16.7038 | WT% | XRF | |
| FE2O3 | 1.91881 | WT% | XRF | |
| MGO | 1.18158 | WT% | XRF | |
| CAO | 2.23188 | WT% | XRF | |
| NA2O | 3.97901 | WT% | XRF | |
| K2O | 5.40297 | WT% | XRF | |
| P2O5 | 0.121188 | WT% | XRF | |
| MNO | 0.0807921 | WT% | XRF | |
| LOI | 2.25 | WT% | XRF | |
| TOTAL | 100.98 | WT% | XRF | |
| ZN | 52 | PPM | XRF | |
| RB | 139 | PPM | XRF | |
| SR | 410 | PPM | XRF | |
| Y | 26 | PPM | XRF | |
| ZR | 279 | PPM | XRF | |
| BA | 1484 | PPM | XRF | |
| LA | 48 | PPM | XRF | |
| CE | 83 | PPM | XRF | |
| CU | 5 | PPM | XRF | |
| V | 24 | PPM | XRF | |
| TH | 14.5 | PPM | INAA | |
| U | 4.9 | PPM | INAA | |
| LA | 55.3 | PPM | INAA | |
| CE | 97 | PPM | INAA | |
| ND | 35 | PPM | INAA | |
| SM | 7.36 | PPM | INAA | |
| EU | 1.51 | PPM | INAA | |
| GD | 6.6 | PPM | INAA | |
| TB | 0.83 | PPM | INAA | |
| YB | 2.56 | PPM | INAA | |
| LU | 0.32 | PPM | INAA | |
| TA | 1.53 | PPM | INAA | |
| HF | 4.7 | PPM | INAA | |
| SC | 5.4 | PPM | INAA |