Sample A30
NavDat sample number 127408 · GRANODIORITE
Sample
| Sample ID | A30 |
|---|---|
| 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 | 64.44 | WT% | XRF | |
| TIO2 | 0.23 | WT% | XRF | |
| AL2O3 | 16.49 | WT% | XRF | |
| FE2O3 | 1.79 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| MGO | 0.77 | WT% | XRF | |
| CAO | 1.12 | WT% | XRF | |
| NA2O | 6.27 | WT% | XRF | |
| K2O | 5.11 | WT% | XRF | |
| P2O5 | 0.09 | WT% | XRF | |
| V | 0.0044 | PPM | UNKNOWN | |
| MN | 173.07 | PPM | UNKNOWN | |
| CO | 15.17 | PPM | UNKNOWN | |
| NI | 3.18 | PPM | UNKNOWN | |
| CU | 36.29 | PPM | UNKNOWN | |
| ZN | 34.78 | PPM | UNKNOWN | |
| RB | 204.38 | PPM | UNKNOWN | |
| SR | 0.24 | PPM | UNKNOWN | |
| Y | 6.67 | PPM | UNKNOWN | |
| ZR | 297.56 | PPM | UNKNOWN | |
| NB | 41.61 | PPM | UNKNOWN | |
| MO | 9.11 | PPM | UNKNOWN | |
| U | 0 | PPM | UNKNOWN | |
| ARSENIC | 9.26 | PPM | UNKNOWN | |
| SE | 0.00015 | PPM | UNKNOWN | |
| AG | 0.00291 | PPM | UNKNOWN | |
| CD | 0 | PPM | UNKNOWN | |
| SN | 1.37 | PPM | UNKNOWN | |
| SB | 1.1 | PPM | UNKNOWN | |
| TE | 0.00108 | PPM | UNKNOWN | |
| BA | 0.1 | PPM | UNKNOWN | |
| LA | 0 | PPM | UNKNOWN | |
| CE | 36.98 | PPM | UNKNOWN |