Sample A7
NavDat sample number 127402 · GRANODIORITE
Sample
| Sample ID | A7 |
|---|---|
| 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 | 65.41 | WT% | XRF | |
| TIO2 | 0.18 | WT% | XRF | |
| AL2O3 | 15.65 | WT% | XRF | |
| FE2O3 | 0.3 | WT% | XRF | |
| MNO | 0 | WT% | XRF | |
| MGO | 0.78 | WT% | XRF | |
| CAO | 0.22 | WT% | XRF | |
| NA2O | 5.08 | WT% | XRF | |
| K2O | 6.76 | WT% | XRF | |
| P2O5 | 0.08 | WT% | XRF | |
| V | 0.0019 | PPM | UNKNOWN | |
| MN | 78.26 | PPM | UNKNOWN | |
| CO | 3.2 | PPM | UNKNOWN | |
| NI | 3.18 | PPM | UNKNOWN | |
| CU | 0 | PPM | UNKNOWN | |
| ZN | 45.9 | PPM | UNKNOWN | |
| RB | 332.3 | PPM | UNKNOWN | |
| SR | 1000 | PPM | UNKNOWN | |
| Y | 10.91 | PPM | UNKNOWN | |
| ZR | 223.25 | PPM | UNKNOWN | |
| NB | 44.16 | PPM | UNKNOWN | |
| MO | 17.43 | PPM | UNKNOWN | |
| U | 0.00859 | PPM | UNKNOWN | |
| ARSENIC | 5.67 | PPM | UNKNOWN | |
| SE | 0.00053 | PPM | UNKNOWN | |
| AG | 0.00218 | PPM | UNKNOWN | |
| CD | 0.00078 | PPM | UNKNOWN | |
| SN | 2.92 | PPM | UNKNOWN | |
| SB | 1.17 | PPM | UNKNOWN | |
| TE | 0 | PPM | UNKNOWN | |
| BA | 1100 | PPM | UNKNOWN | |
| LA | 17.86 | PPM | UNKNOWN | |
| CE | 31.53 | PPM | UNKNOWN |