Sample CR-24
NavDat sample number 46010 · RHYOLITE
Sample
| Sample ID | CR-24 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.623 |
|---|---|
| Longitude | -106.688 |
| Location | Ribbon Mesa |
| 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 | 74.87 | WT% | XRF | |
| TIO2 | 0.176098 | WT% | XRF | |
| AL2O3 | 13.3628 | WT% | XRF | |
| FE2O3 | 1.29484 | WT% | XRF | |
| MGO | 0.217533 | WT% | XRF | |
| CAO | 0.725111 | WT% | XRF | |
| NA2O | 2.9108 | WT% | XRF | |
| K2O | 6.29811 | WT% | XRF | |
| P2O5 | 0.0517937 | WT% | XRF | |
| MNO | 0 | WT% | XRF | |
| LOI | 3.46 | WT% | XRF | |
| TOTAL | 99.91 | WT% | XRF | |
| RB | 164 | PPM | INAA | |
| BA | 250 | PPM | INAA | |
| SR | -75 | PPM | INAA | |
| TH | 20.5 | PPM | INAA | |
| U | 6.78 | PPM | INAA | |
| LA | 53.3 | PPM | INAA | |
| CE | 100 | PPM | INAA | |
| ND | 38 | PPM | INAA | |
| SM | 6.76 | PPM | INAA | |
| EU | 0.74 | PPM | INAA | |
| GD | 5.71 | PPM | INAA | |
| TB | 0.786 | PPM | INAA | |
| TM | 0.516 | PPM | INAA | |
| YB | 2.96 | PPM | INAA | |
| LU | 0.465 | PPM | INAA | |
| TA | 1.58 | PPM | INAA | |
| ZR | 143 | PPM | INAA | |
| HF | 5.6 | PPM | INAA | |
| SB | 0.486 | PPM | INAA | |
| SC | 3.83 | PPM | INAA | |
| CR | 0.48 | PPM | INAA | |
| CO | 0.505 | PPM | INAA | |
| NI | 6.32 | PPM | INAA | |
| ZN | 43.5 | PPM | INAA |