Sample WMT-9-77
NavDat sample number 35685 · TUFF
Sample
| Sample ID | WMT-9-77 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 39.3382 |
|---|---|
| Longitude | -104.852 |
| Location | Castle Rock |
| State / province | Colorado |
| Formation | WALL MOUNTAIN TUFF |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 36.7 | 31.7 | 41.7 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 72.6 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 0.35 | WT% | XRF | |
| AL2O3 | 15.35 | WT% | AAS | |
| FE2O3 | 1.68 | WT% | AAS | |
| FEO | 0 | WT% | AAS | |
| MNO | 0.05 | WT% | UNKNOWN | |
| MGO | 0.29 | WT% | AAS | |
| CAO | 0.93 | WT% | XRF | |
| NA2O | 2.28 | WT% | AAS | |
| K2O | 6.43 | WT% | AAS | |
| P2O5 | 0.04 | WT% | XRF | |
| LOI | 4.78 | WT% | LOI | |
| TOTAL | 101.25 | WT% | LOI | |
| BA | 1537 | PPM | XRF | |
| BE | 4.2 | PPM | UNKNOWN | |
| CO | 10 | PPM | UNKNOWN | |
| CR | 2 | PPM | UNKNOWN | |
| CU | 3 | PPM | UNKNOWN | |
| LI | 10 | PPM | UNKNOWN | |
| NI | 2 | PPM | UNKNOWN | |
| PB | 51 | PPM | UNKNOWN | |
| RB | 209 | PPM | XRF | |
| SR | 228 | PPM | XRF | |
| TH | 49 | PPM | GAMMA-RAY COUNTING | |
| U | 10 | PPM | GAMMA-RAY COUNTING | |
| V | 11 | PPM | UNKNOWN | |
| Y | 44 | PPM | ICP | |
| ZN | 58 | PPM | UNKNOWN | |
| ZR | 440 | PPM | XRF | |
| SR87_SR86 | 0.70922 | TIMS_ID | ||
| SR | 812 | PPM | TIMS_ID |