Sample 23
NavDat sample number 129174 · GRANITE
Sample
| Sample ID | 23 |
|---|---|
| Rock name | GRANITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | granite porphyry dike |
Location
| Latitude | 37.43 |
|---|---|
| Longitude | -105.15 |
| Location | Devils Stairsteps |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 24 | 22 | 26 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 69.24 | WT% | XRF | |
| AL2O3 | 14.97 | WT% | XRF | |
| FE2O3 | 3 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| MGO | 0.73 | WT% | XRF | |
| CAO | 1.64 | WT% | XRF | |
| NA2O | 5.01 | WT% | FPHOT | |
| K2O | 4.08 | WT% | FPHOT | |
| TIO2 | 0.41 | WT% | XRF | |
| P2O5 | 0.15 | WT% | XRF | |
| ZR | 170 | PPM | XRF | |
| NB | 31 | PPM | XRF | |
| RB | 100 | PPM | XRF | |
| SR | 724 | PPM | XRF | |
| BA | 1278 | PPM | XRF | |
| Y | 9 | PPM | XRF | |
| SC | 26 | PPM | XRF | |
| NI | 19 | PPM | XRF | |
| CR | 23 | PPM | XRF | |
| V | 31 | PPM | XRF | |
| LA | 33.61 | PPM | MS-ID | |
| CE | 56.32 | PPM | MS-ID | |
| ND | 19.47 | PPM | MS-ID | |
| SM | 3.09 | PPM | MS-ID | |
| EU | 0.74 | PPM | MS-ID | |
| GD | 2.45 | PPM | MS-ID | |
| DY | 1.7 | PPM | MS-ID | |
| ER | 0.9 | PPM | MS-ID | |
| YB | 0.79 | PPM | MS-ID | |
| LU | 0.117 | PPM | MS-ID | |
| K | 3.34 | WT% | MS-ID | |
| RB | 100.1 | PPM | MS-ID | |
| SR | 724 | PPM | MS-ID | |
| BA | 1278 | PPM | MS-ID | |
| SR87_SR86 | 0.7077 | MS | ||
| SR87_SR86_INITIAL | 0.7076 | MS | ||
| RB87_SR86 | 0.4 | MS-ID |