Sample 87-229
NavDat sample number 16951 · TUFF
Sample
| Sample ID | 87-229 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.531 |
|---|---|
| Longitude | -106.785 |
| Location | Heart Mtn, clifftop |
| 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 | 72.7835 | WT% | XRF | |
| TIO2 | 0.494508 | WT% | XRF | |
| AL2O3 | 15.0472 | WT% | XRF | |
| FE2O3 | 0.90828 | WT% | XRF | |
| MGO | 0.625704 | WT% | XRF | |
| CAO | 1.36242 | WT% | XRF | |
| NA2O | 4.29919 | WT% | XRF | |
| K2O | 5.25793 | WT% | XRF | |
| P2O5 | 0.111012 | WT% | XRF | |
| MNO | 0.030276 | WT% | XRF | |
| LOI | 0.78 | WT% | XRF | |
| TOTAL | 100.92 | WT% | XRF | |
| ZN | 41 | PPM | XRF | |
| RB | 146 | PPM | XRF | |
| SR | 286 | PPM | XRF | |
| Y | 30 | PPM | XRF | |
| ZR | 336 | PPM | XRF | |
| BA | 1165 | PPM | XRF | |
| LA | 51 | PPM | XRF | |
| CE | 88 | PPM | XRF | |
| CU | 8 | PPM | XRF | |
| V | 17 | PPM | XRF | |
| TH | 18.8 | PPM | INAA | |
| U | 5.6 | PPM | INAA | |
| LA | 63.3 | PPM | INAA | |
| CE | 106.6 | PPM | INAA | |
| ND | 30.7 | PPM | INAA | |
| SM | 8.2 | PPM | INAA | |
| EU | 1.41 | PPM | INAA | |
| GD | 3.6 | PPM | INAA | |
| TB | 0.91 | PPM | INAA | |
| YB | 3.27 | PPM | INAA | |
| LU | 0.4 | PPM | INAA | |
| TA | 1.84 | PPM | INAA | |
| HF | 4.35 | PPM | INAA | |
| SC | 5 | PPM | INAA |