Sample RT4A
NavDat sample number 37142 · RHYOLITE
Sample
| Sample ID | RT4A |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 43.5 |
|---|---|
| Longitude | -120.5 |
| State / province | OREGON |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 7.05 | 6.345 | 7.755 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 75.31 | WT% | XRF | |
| TIO2 | 0.14 | WT% | XRF | |
| AL2O3 | 12.17 | WT% | XRF | |
| FE2O3 | 1.95 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| CAO | 0.65 | WT% | XRF | |
| NA2O | 2.35 | WT% | XRF | |
| K2O | 6.83 | WT% | XRF | |
| P2O5 | 0.01 | WT% | XRF | |
| RB | 81 | PPM | XRF | |
| BA | 1116 | PPM | XRF | |
| SR | 24.3 | PPM | XRF | |
| ZR | 432 | PPM | XRF | |
| NB | 25.6 | PPM | XRF | |
| Y | 71 | PPM | XRF | |
| PB | 16.9 | PPM | XRF | |
| ZN | 107 | PPM | XRF | |
| GA | 17.9 | PPM | XRF | |
| V | 3.7 | PPM | XRF | |
| CU | 6.3 | PPM | XRF | |
| NI | 8.4 | PPM | XRF | |
| CR | 4 | PPM | XRF | |
| CS | 3.4 | PPM | INAA | |
| U | 2.33 | PPM | INAA | |
| TH | 6.15 | PPM | INAA | |
| HF | 10.72 | PPM | INAA | |
| TA | 1.4 | PPM | INAA | |
| SB | 1.05 | PPM | INAA | |
| ARSENIC | 3.6 | PPM | INAA | |
| SC | 3.73 | PPM | INAA | |
| CO | 0.26 | PPM | INAA | |
| LA | 49.3 | PPM | INAA | |
| CE | 113 | PPM | INAA | |
| ND | 51 | PPM | INAA | |
| SM | 12.42 | PPM | INAA | |
| EU | 1.94 | PPM | INAA | |
| TB | 2.06 | PPM | INAA | |
| YB | 7.15 | PPM | INAA | |
| LU | 1.07 | PPM | INAA |