Sample A37
NavDat sample number 127436 · RHYOLITE
Sample
| Sample ID | A37 |
|---|---|
| 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 | 67.48 | WT% | XRF | |
| TIO2 | 0.1 | WT% | XRF | |
| AL2O3 | 15.5 | WT% | XRF | |
| FE2O3 | 1.16 | WT% | XRF | |
| MNO | 0 | WT% | XRF | |
| MGO | 0.67 | WT% | XRF | |
| CAO | 0.14 | WT% | XRF | |
| NA2O | 5.18 | WT% | XRF | |
| K2O | 6.05 | WT% | XRF | |
| P2O5 | 0.03 | WT% | XRF | |
| V | 0.00212 | PPM | UNKNOWN | |
| MN | 90.62 | PPM | UNKNOWN | |
| CO | 8.61 | PPM | UNKNOWN | |
| NI | 7.24 | PPM | UNKNOWN | |
| CU | 11.05 | PPM | UNKNOWN | |
| ZN | 42.8 | PPM | UNKNOWN | |
| RB | 316.15 | PPM | UNKNOWN | |
| SR | 1300 | PPM | UNKNOWN | |
| Y | 6.01 | PPM | UNKNOWN | |
| ZR | 215 | PPM | UNKNOWN | |
| NB | 50.27 | PPM | UNKNOWN | |
| MO | 5.87 | PPM | UNKNOWN | |
| U | 0.0172 | PPM | UNKNOWN | |
| ARSENIC | 29.17 | PPM | UNKNOWN | |
| SE | 0.00039 | PPM | UNKNOWN | |
| AG | 0.00217 | PPM | UNKNOWN | |
| CD | 0.0002 | PPM | UNKNOWN | |
| SN | 2.8 | PPM | UNKNOWN | |
| SB | 0.68 | PPM | UNKNOWN | |
| TE | 0 | PPM | UNKNOWN | |
| BA | 988.81 | PPM | UNKNOWN | |
| LA | 0 | PPM | UNKNOWN | |
| CE | 17.5 | PPM | UNKNOWN |