Sample WMT-8-76
NavDat sample number 35684 · TUFF
Sample
| Sample ID | WMT-8-76 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 39.3649 |
|---|---|
| Longitude | -104.898 |
| Location | abandoned quarry near Monte Vista Estates |
| State / province | Colorado |
| Formation | WALL MOUNTAIN TUFF |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 37 | 32 | 42 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74.94 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 0.37 | WT% | XRF | |
| AL2O3 | 13.54 | WT% | AAS | |
| FE2O3 | 1.14 | WT% | AAS | |
| FEO | 0 | WT% | AAS | |
| MNO | 0.02 | WT% | UNKNOWN | |
| MGO | 0.14 | WT% | AAS | |
| CAO | 0.67 | WT% | XRF | |
| NA2O | 3.42 | WT% | AAS | |
| K2O | 5.72 | WT% | AAS | |
| P2O5 | 0.03 | WT% | XRF | |
| LOI | 1.13 | WT% | LOI | |
| TOTAL | 100.95 | WT% | LOI | |
| BA | 2289 | PPM | XRF | |
| BE | 3.4 | PPM | UNKNOWN | |
| CO | 6 | PPM | UNKNOWN | |
| CR | 2 | PPM | UNKNOWN | |
| CU | 3 | PPM | UNKNOWN | |
| LI | 17 | PPM | UNKNOWN | |
| NB | 57 | PPM | XRF | |
| NI | 2 | PPM | UNKNOWN | |
| PB | 43 | PPM | UNKNOWN | |
| RB | 190 | PPM | XRF | |
| SR | 351 | PPM | XRF | |
| TH | 43 | PPM | GAMMA-RAY COUNTING | |
| U | 4.2 | PPM | GAMMA-RAY COUNTING | |
| V | 17 | PPM | UNKNOWN | |
| Y | 38 | PPM | ICP | |
| ZN | 52 | PPM | UNKNOWN | |
| ZR | 499 | PPM | XRF | |
| LA | 95.4 | PPM | UNKNOWN | |
| CE | 182 | PPM | UNKNOWN | |
| PR | 20 | PPM | UNKNOWN | |
| ND | 75.8 | PPM | UNKNOWN | |
| SM | 11.8 | PPM | UNKNOWN | |
| EU | 1.6 | PPM | UNKNOWN | |
| GD | 8.5 | PPM | UNKNOWN | |
| TB | 1.2 | PPM | UNKNOWN | |
| DY | 6.5 | PPM | UNKNOWN | |
| HO | 1.3 | PPM | UNKNOWN | |
| ER | 3.8 | PPM | UNKNOWN | |
| TM | 0.6 | PPM | UNKNOWN | |
| YB | 3.4 | PPM | UNKNOWN | |
| LU | 0.49 | PPM | UNKNOWN |