Sample 00L-20
NavDat sample number 46176 · DACITE
Sample
| Sample ID | 00L-20 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.185 |
|---|---|
| Longitude | -106.852 |
| Location | Cochetopa Park area |
| State / province | COLORADO |
| Formation | Conejos Formation and related early rocks |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 31.25 | 29.5 | 33 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 62.17 | WT% | XRF | |
| TIO2 | 0.715404 | WT% | XRF | |
| AL2O3 | 16.7263 | WT% | XRF | |
| FE2O3 | 6.14643 | WT% | XRF | |
| MGO | 1.51142 | WT% | XRF | |
| CAO | 4.77608 | WT% | XRF | |
| NA2O | 3.90953 | WT% | XRF | |
| K2O | 2.82131 | WT% | XRF | |
| P2O5 | 0.403044 | WT% | XRF | |
| MNO | 0.110837 | WT% | XRF | |
| LOI | 0.75 | WT% | XRF | |
| TOTAL | 99.29 | WT% | XRF | |
| ZN | 78 | PPM | XRF | |
| RB | 56 | PPM | XRF | |
| SR | 870 | PPM | XRF | |
| Y | 23 | PPM | XRF | |
| ZR | 181 | PPM | XRF | |
| NB | 11 | PPM | XRF | |
| PB | 16 | PPM | XRF | |
| TH | 6 | PPM | XRF | |
| BA | 1240 | PPM | XRF | |
| LA | 42 | PPM | XRF | |
| CE | 82 | PPM | XRF | |
| ND | 41 | PPM | XRF | |
| CU | 13 | PPM | XRF | |
| V | 82 | PPM | XRF | |
| U | 2 | PPM | XRF | |
| CR | 13 | PPM | XRF | |
| CS | 4 | PPM | XRF | |
| GA | 21 | PPM | XRF | |
| MO | 3 | PPM | XRF | |
| NI | 6 | PPM | XRF |