Sample 221
NavDat sample number 127418 · GRANODIORITE
Sample
| Sample ID | 221 |
|---|---|
| Rock name | GRANODIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Coarse grained 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 |
|---|---|---|---|---|---|
| 56 | 54.34 | 57.65 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 63.77 | WT% | XRF | |
| TIO2 | 0.17 | WT% | XRF | |
| AL2O3 | 15.76 | WT% | XRF | |
| FE2O3 | 2.36 | WT% | XRF | |
| MNO | 0.03 | WT% | XRF | |
| MGO | 0.83 | WT% | XRF | |
| CAO | 0.51 | WT% | XRF | |
| NA2O | 5.54 | WT% | XRF | |
| K2O | 5.42 | WT% | XRF | |
| P2O5 | 0.07 | WT% | XRF | |
| V | 0.00342 | PPM | UNKNOWN | |
| MN | 176.75 | PPM | UNKNOWN | |
| CO | 20.81 | PPM | UNKNOWN | |
| NI | 3.18 | PPM | UNKNOWN | |
| CU | 38.8 | PPM | UNKNOWN | |
| ZN | 40.25 | PPM | UNKNOWN | |
| RB | 239.76 | PPM | UNKNOWN | |
| SR | 0.13 | PPM | UNKNOWN | |
| Y | 19.09 | PPM | UNKNOWN | |
| ZR | 269.78 | PPM | UNKNOWN | |
| NB | 45.82 | PPM | UNKNOWN | |
| MO | 8.77 | PPM | UNKNOWN | |
| U | 0.0133 | PPM | UNKNOWN | |
| ARSENIC | 16.08 | PPM | UNKNOWN | |
| SE | 0.00042 | PPM | UNKNOWN | |
| AG | 0.00234 | PPM | UNKNOWN | |
| CD | 0.00026 | PPM | UNKNOWN | |
| SN | 3.22 | PPM | UNKNOWN | |
| SB | 1.72 | PPM | UNKNOWN | |
| TE | 0.00051 | PPM | UNKNOWN | |
| BA | 708.43 | PPM | UNKNOWN | |
| LA | 26.93 | PPM | UNKNOWN | |
| CE | 39.27 | PPM | UNKNOWN |