Sample 01L-20
NavDat sample number 46180 · RHYOLITE
Sample
| Sample ID | 01L-20 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.296 |
|---|---|
| Longitude | -106.769 |
| Location | Cochetopa Park area, Cochetopa Canyon |
| 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 | 76.79 | WT% | XRF | |
| TIO2 | 0.182355 | WT% | XRF | |
| AL2O3 | 12.5622 | WT% | XRF | |
| FE2O3 | 1.29675 | WT% | XRF | |
| MGO | 0.314056 | WT% | XRF | |
| CAO | 0.992823 | WT% | XRF | |
| NA2O | 3.37357 | WT% | XRF | |
| K2O | 4.26509 | WT% | XRF | |
| P2O5 | 0.0810468 | WT% | XRF | |
| MNO | 0.0202617 | WT% | XRF | |
| LOI | 1.29 | WT% | XRF | |
| TOTAL | 99.8782 | WT% | XRF | |
| ZN | 51 | PPM | XRF | |
| RB | 90 | PPM | XRF | |
| SR | 396 | PPM | XRF | |
| Y | 6 | PPM | XRF | |
| ZR | 116 | PPM | XRF | |
| NB | 11 | PPM | XRF | |
| PB | 31 | PPM | XRF | |
| TH | 7 | PPM | XRF | |
| BA | 1540 | PPM | XRF | |
| LA | 38 | PPM | XRF | |
| CE | 58 | PPM | XRF | |
| ND | 39 | PPM | XRF | |
| CU | 14 | PPM | XRF | |
| V | 18 | PPM | XRF | |
| U | 2 | PPM | XRF | |
| CR | 9 | PPM | XRF | |
| CS | 16 | PPM | XRF | |
| GA | 20 | PPM | XRF | |
| MO | 1 | PPM | XRF | |
| NI | 4 | PPM | XRF | |
| CS | 1.92 | PPM | INAA | |
| RB | 86.2 | PPM | INAA | |
| BA | 1430 | PPM | INAA | |
| SR | 414 | PPM | INAA | |
| TH | 6.64 | PPM | INAA | |
| U | 1.64 | PPM | INAA | |
| LA | 24.9 | PPM | INAA | |
| CE | 45.2 | PPM | INAA | |
| ND | 20.2 | PPM | INAA | |
| SM | 3.8 | PPM | INAA | |
| EU | 0.748 | PPM | INAA | |
| GD | 2.53 | PPM | INAA | |
| TB | 0.266 | PPM | INAA | |
| HO | 0.26 | PPM | INAA | |
| TM | 0.258 | PPM | INAA | |
| YB | 0.416 | PPM | INAA | |
| LU | 0.0647 | PPM | INAA | |
| TA | 0.593 | PPM | INAA | |
| ZR | 122 | PPM | INAA | |
| HF | 3.7 | PPM | INAA | |
| SB | 0.0981 | PPM | INAA | |
| SC | 1.79 | PPM | INAA | |
| CR | 1.74 | PPM | INAA | |
| CO | 1.62 | PPM | INAA | |
| NI | 3.64 | PPM | INAA | |
| ZN | 42.4 | PPM | INAA |