Sample DS85-118
NavDat sample number 45849 · DACITE
Sample
| Sample ID | DS85-118 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.954 |
|---|---|
| Longitude | -106.933 |
| Location | East Willow Ck. |
| State / province | COLORADO |
| Formation | Cebolla Creek Caldera Cycle, dacite of East Willow Ck., east Willow Ck. Flow |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27 | 26.9 | 27.1 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 66.57 | WT% | XRF | |
| TIO2 | 0.573169 | WT% | XRF | |
| AL2O3 | 15.2543 | WT% | XRF | |
| FE2O3 | 4.34402 | WT% | XRF | |
| MGO | 1.36756 | WT% | XRF | |
| CAO | 3.55968 | WT% | XRF | |
| NA2O | 3.40885 | WT% | XRF | |
| K2O | 4.08257 | WT% | XRF | |
| P2O5 | 0.25139 | WT% | XRF | |
| MNO | 0.0703892 | WT% | XRF | |
| LOI | 0.55 | WT% | XRF | |
| TOTAL | 99.48 | WT% | XRF | |
| ZN | 66 | PPM | XRF | |
| RB | 121 | PPM | XRF | |
| SR | 582 | PPM | XRF | |
| Y | 23 | PPM | XRF | |
| ZR | 165 | PPM | XRF | |
| NB | 17 | PPM | XRF | |
| PB | 39 | PPM | XRF | |
| CU | 50 | PPM | XRF | |
| NI | 33 | PPM | XRF | |
| RB | 101 | PPM | INAA | |
| BA | 942 | PPM | INAA | |
| SR | 544 | PPM | INAA | |
| TH | 10.9 | PPM | INAA | |
| U | 3.51 | PPM | INAA | |
| LA | 40 | PPM | INAA | |
| CE | 78.7 | PPM | INAA | |
| ND | 32.7 | PPM | INAA | |
| SM | 6.07 | PPM | INAA | |
| EU | 1.43 | PPM | INAA | |
| GD | 5.05 | PPM | INAA | |
| TB | 0.695 | PPM | INAA | |
| TM | 0.348 | PPM | INAA | |
| YB | 2.15 | PPM | INAA | |
| LU | 0.326 | PPM | INAA | |
| TA | 0.938 | PPM | INAA | |
| ZR | 165 | PPM | INAA | |
| HF | 5.17 | PPM | INAA | |
| SB | 0.227 | PPM | INAA | |
| SC | 7.95 | PPM | INAA | |
| CR | 6.95 | PPM | INAA | |
| CO | 9.52 | PPM | INAA | |
| NI | 12.6 | PPM | INAA | |
| ZN | 70.9 | PPM | INAA |