Sample 85L-39
NavDat sample number 45691 · DACITE
Sample
| Sample ID | 85L-39 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.777 |
|---|---|
| Longitude | -106.828 |
| Location | Roadcut, Hwy 149 |
| State / province | COLORADO |
| Formation | Fisher Dacite, Wagon Wheel Gap flow, Creede Caldera cycle |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 26.26 | 26.22 | 26.3 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 65.38 | WT% | XRF | |
| TIO2 | 0.66 | WT% | XRF | |
| AL2O3 | 15.41 | WT% | XRF | |
| FE2O3 | 5.01 | WT% | XRF | |
| MGO | 1.66 | WT% | XRF | |
| CAO | 4.07 | WT% | XRF | |
| NA2O | 3.46 | WT% | XRF | |
| K2O | 3.85 | WT% | XRF | |
| P2O5 | 0.27 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| LOI | 1.93 | WT% | XRF | |
| TOTAL | 99.84 | WT% | XRF | |
| ZN | 78 | PPM | XRF | |
| RB | 94 | PPM | XRF | |
| SR | 587 | PPM | XRF | |
| Y | 20 | PPM | XRF | |
| ZR | 174 | PPM | XRF | |
| NB | 21 | PPM | XRF | |
| PB | 28 | PPM | XRF | |
| CU | 19 | PPM | XRF | |
| NI | 68 | PPM | XRF | |
| RB | 94 | PPM | INAA | |
| BA | 1020 | PPM | INAA | |
| SR | 644 | PPM | INAA | |
| TH | 7.73 | PPM | INAA | |
| U | 2.36 | PPM | INAA | |
| LA | 38.4 | PPM | INAA | |
| CE | 73.8 | PPM | INAA | |
| ND | 30.4 | PPM | INAA | |
| SM | 5.45 | PPM | INAA | |
| EU | 1.45 | PPM | INAA | |
| GD | 4.58 | PPM | INAA | |
| TB | 0.63 | PPM | INAA | |
| TM | 0.28 | PPM | INAA | |
| YB | 1.92 | PPM | INAA | |
| LU | 0.28 | PPM | INAA | |
| TA | 0.78 | PPM | INAA | |
| ZR | 162 | PPM | INAA | |
| HF | 4.77 | PPM | INAA | |
| SC | 10.3 | PPM | INAA | |
| CR | 41.8 | PPM | INAA | |
| CO | 13.6 | PPM | INAA | |
| NI | 25.5 | PPM | INAA | |
| ZN | 79.1 | PPM | INAA |