Sample LR88-528
NavDat sample number 46015 · RHYOLITE
Sample
| Sample ID | LR88-528 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.851 |
|---|---|
| Longitude | -106.849 |
| Location | Farmers Creek, base of cliff, 10,240' |
| State / province | COLORADO |
| Formation | Bachelor Caldera Cycle, Mammoth Mountain Member |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.35 | 27.25 | 27.45 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 66.48 | WT% | XRF | |
| TIO2 | 0.411321 | WT% | XRF | |
| AL2O3 | 16.8441 | WT% | XRF | |
| FE2O3 | 3.62163 | WT% | XRF | |
| MGO | 0.521676 | WT% | XRF | |
| CAO | 2.44786 | WT% | XRF | |
| NA2O | 4.09315 | WT% | XRF | |
| K2O | 5.01611 | WT% | XRF | |
| P2O5 | 0.110354 | WT% | XRF | |
| MNO | 0.0802578 | WT% | XRF | |
| LOI | 0.32 | WT% | XRF | |
| TOTAL | 99.6265 | WT% | XRF | |
| ZN | 53 | PPM | XRF | |
| RB | 103 | PPM | XRF | |
| SR | 557 | PPM | XRF | |
| Y | 22 | PPM | XRF | |
| ZR | 374 | PPM | XRF | |
| NB | 11 | PPM | XRF | |
| PB | 39 | PPM | XRF | |
| TH | 9 | PPM | XRF | |
| BA | 3175.5 | PPM | XRF | |
| LA | 44.5 | PPM | XRF | |
| CE | 78 | PPM | XRF | |
| ND | 33.5 | PPM | XRF | |
| CS | 9.03 | PPM | INAA | |
| RB | 106 | PPM | INAA | |
| BA | 3310 | PPM | INAA | |
| SR | 575 | PPM | INAA | |
| TH | 9.98 | PPM | INAA | |
| U | 3.71 | PPM | INAA | |
| LA | 39.6 | PPM | INAA | |
| CE | 75.9 | PPM | INAA | |
| ND | 31.4 | PPM | INAA | |
| SM | 5.59 | PPM | INAA | |
| EU | 2.03 | PPM | INAA | |
| GD | 4.61 | PPM | INAA | |
| TB | 556 | PPM | INAA | |
| TM | 0.345 | PPM | INAA | |
| YB | 2.16 | PPM | INAA | |
| LU | 0.324 | PPM | INAA | |
| TA | 0.863 | PPM | INAA | |
| ZR | 402 | PPM | INAA | |
| HF | 9.52 | PPM | INAA | |
| SB | 0.52 | PPM | INAA | |
| SC | 5.78 | PPM | INAA | |
| CR | 13.1 | PPM | INAA | |
| CO | 3.49 | PPM | INAA | |
| NI | 7.1 | PPM | INAA | |
| ZN | 52.2 | PPM | INAA |