Sample 02L-25-B
NavDat sample number 46101 · DACITE
Sample
| Sample ID | 02L-25-B |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.187 |
|---|---|
| Longitude | -106.516 |
| Location | Buffalo Ck. CG |
| State / province | COLORADO |
| Formation | southeastern San Juan tuff, North Pass Caldera Cycle ?, Tuff of Luders Creek |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 33 | 30 | 36 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 67.55 | WT% | XRF | |
| TIO2 | 0.352338 | WT% | XRF | |
| AL2O3 | 16.5096 | WT% | XRF | |
| FE2O3 | 2.5469 | WT% | XRF | |
| MGO | 0.53354 | WT% | XRF | |
| CAO | 0.0805344 | WT% | XRF | |
| NA2O | 1.78182 | WT% | XRF | |
| K2O | 4.57033 | WT% | XRF | |
| P2O5 | 5.35554 | WT% | XRF | |
| MNO | 0.181202 | WT% | XRF | |
| LOI | 0.66 | WT% | XRF | |
| TOTAL | 99.46 | WT% | XRF | |
| ZN | 65 | PPM | XRF | |
| RB | 97 | PPM | XRF | |
| SR | 416 | PPM | XRF | |
| Y | 26 | PPM | XRF | |
| ZR | 406 | PPM | XRF | |
| NB | 19 | PPM | XRF | |
| PB | 27 | PPM | XRF | |
| TH | 12 | PPM | XRF | |
| BA | 1970 | PPM | XRF | |
| LA | 109 | PPM | XRF | |
| CE | 173 | PPM | XRF | |
| ND | 91 | PPM | XRF | |
| CU | 3 | PPM | XRF | |
| V | 31 | PPM | XRF | |
| U | 4 | PPM | XRF | |
| CR | 6 | PPM | XRF | |
| CS | 16 | PPM | XRF | |
| GA | 20 | PPM | XRF | |
| NI | 6 | PPM | XRF |