Sample A60
NavDat sample number 127438 · RHYOLITE
Sample
| Sample ID | A60 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Rhyolite porphyry |
Location
| Latitude | 40.13 |
|---|---|
| Longitude | -105.38 |
| Location | Jamestown mining district |
| State / province | COLORADO |
| Formation | Porphyry Mountain Stock |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 45 | 41.2 | 48.8 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 66.63 | WT% | XRF | |
| TIO2 | 0.23 | WT% | XRF | |
| AL2O3 | 16.91 | WT% | XRF | |
| FE2O3 | 0 | WT% | XRF | |
| MNO | 0.02 | WT% | XRF | |
| MGO | 0.77 | WT% | XRF | |
| CAO | 0.19 | WT% | XRF | |
| NA2O | 4.35 | WT% | XRF | |
| K2O | 6.86 | WT% | XRF | |
| P2O5 | 0.07 | WT% | XRF | |
| V | 0.00395 | PPM | UNKNOWN | |
| MN | 62.64 | PPM | UNKNOWN | |
| CO | 4.13 | PPM | UNKNOWN | |
| NI | 7.95 | PPM | UNKNOWN | |
| CU | 3.65 | PPM | UNKNOWN | |
| ZN | 44.09 | PPM | UNKNOWN | |
| RB | 320.87 | PPM | UNKNOWN | |
| SR | 0.12 | PPM | UNKNOWN | |
| Y | 13.43 | PPM | UNKNOWN | |
| ZR | 255.71 | PPM | UNKNOWN | |
| NB | 40.47 | PPM | UNKNOWN | |
| MO | 9.65 | PPM | UNKNOWN | |
| U | 0 | PPM | UNKNOWN | |
| ARSENIC | 14.86 | PPM | UNKNOWN | |
| SE | 0.00031 | PPM | UNKNOWN | |
| AG | 0.00397 | PPM | UNKNOWN | |
| CD | 0.00163 | PPM | UNKNOWN | |
| SN | 3.54 | PPM | UNKNOWN | |
| SB | 0 | PPM | UNKNOWN | |
| TE | 0 | PPM | UNKNOWN | |
| BA | 0.13 | PPM | UNKNOWN | |
| LA | 36.88 | PPM | UNKNOWN | |
| CE | 85.81 | PPM | UNKNOWN |