Sample CR-59
NavDat sample number 46009 · RHYOLITE
Sample
| Sample ID | CR-59 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.403 |
|---|---|
| Longitude | -107.203 |
| Location | Brown Lakes Section, same location as LZ 59? |
| State / province | COLORADO |
| Formation | Bachelor Caldera Cycle, Carpenter Ridge Tuff |
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 | 72.07 | WT% | XRF | |
| TIO2 | 0.268763 | WT% | XRF | |
| AL2O3 | 14.6889 | WT% | XRF | |
| FE2O3 | 1.7573 | WT% | XRF | |
| MGO | 0.392807 | WT% | XRF | |
| CAO | 1.50921 | WT% | XRF | |
| NA2O | 3.75234 | WT% | XRF | |
| K2O | 5.16852 | WT% | XRF | |
| P2O5 | 0.0723592 | WT% | XRF | |
| MNO | 0 | WT% | XRF | |
| LOI | 3.25 | WT% | XRF | |
| TOTAL | 99.68 | WT% | XRF | |
| RB | 150 | PPM | INAA | |
| BA | 1180 | PPM | INAA | |
| SR | 303 | PPM | INAA | |
| TH | 26.6 | PPM | INAA | |
| U | 7.23 | PPM | INAA | |
| LA | 50.6 | PPM | INAA | |
| CE | 92.9 | PPM | INAA | |
| ND | 30.6 | PPM | INAA | |
| SM | 5.21 | PPM | INAA | |
| EU | 1.05 | PPM | INAA | |
| TB | 0.587 | PPM | INAA | |
| TM | 0.433 | PPM | INAA | |
| YB | 2.34 | PPM | INAA | |
| LU | 0.344 | PPM | INAA | |
| TA | 1.5 | PPM | INAA | |
| ZR | 197 | PPM | INAA | |
| HF | 6.48 | PPM | INAA | |
| SB | 0.447 | PPM | INAA | |
| SC | 3.58 | PPM | INAA | |
| CR | 1 | PPM | INAA | |
| CO | 1.5 | PPM | INAA | |
| NI | 5.15 | PPM | INAA | |
| ZN | 44.4 | PPM | INAA |