Sample 768
NavDat sample number 127421 · GRANODIORITE
Sample
| Sample ID | 768 |
|---|---|
| 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 | 63.13 | WT% | XRF | |
| TIO2 | 0.29 | WT% | XRF | |
| AL2O3 | 15.41 | WT% | XRF | |
| FE2O3 | 3.75 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| MGO | 1 | WT% | XRF | |
| CAO | 2.44 | WT% | XRF | |
| NA2O | 4.97 | WT% | XRF | |
| K2O | 5.79 | WT% | XRF | |
| P2O5 | 0.11 | WT% | XRF | |
| V | 0.00325 | PPM | UNKNOWN | |
| MN | 281.09 | PPM | UNKNOWN | |
| CO | 32.74 | PPM | UNKNOWN | |
| NI | 3.18 | PPM | UNKNOWN | |
| CU | 134.01 | PPM | UNKNOWN | |
| ZN | 44.86 | PPM | UNKNOWN | |
| RB | 256.42 | PPM | UNKNOWN | |
| SR | 2000 | PPM | UNKNOWN | |
| Y | 23.31 | PPM | UNKNOWN | |
| ZR | 253.53 | PPM | UNKNOWN | |
| NB | 49.23 | PPM | UNKNOWN | |
| MO | 45.5 | PPM | UNKNOWN | |
| U | 0.0155 | PPM | UNKNOWN | |
| ARSENIC | 17.31 | PPM | UNKNOWN | |
| SE | 0.00182 | PPM | UNKNOWN | |
| AG | 0.0028 | PPM | UNKNOWN | |
| CD | 0.0003 | PPM | UNKNOWN | |
| SN | 2.31 | PPM | UNKNOWN | |
| SB | 0.23 | PPM | UNKNOWN | |
| TE | 0 | PPM | UNKNOWN | |
| BA | 1000 | PPM | UNKNOWN | |
| LA | 96.25 | PPM | UNKNOWN | |
| CE | 83.66 | PPM | UNKNOWN |