Sample RT55A
NavDat sample number 37146 · RHYOLITE
Sample
| Sample ID | RT55A |
|---|---|
| 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 | 75.73 | WT% | XRF | |
| TIO2 | 0.16 | WT% | XRF | |
| AL2O3 | 12.19 | WT% | XRF | |
| FE2O3 | 2.07 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| MGO | 0.08 | WT% | XRF | |
| CAO | 0.63 | WT% | XRF | |
| NA2O | 2.64 | WT% | XRF | |
| K2O | 6.34 | WT% | XRF | |
| P2O5 | 0.08 | WT% | XRF | |
| RB | 62 | PPM | XRF | |
| BA | 1999 | PPM | XRF | |
| SR | 29.2 | PPM | XRF | |
| ZR | 464 | PPM | XRF | |
| NB | 25.8 | PPM | XRF | |
| Y | 74 | PPM | XRF | |
| PB | 15.4 | PPM | XRF | |
| ZN | 108 | PPM | XRF | |
| GA | 18.3 | PPM | XRF | |
| V | 4.4 | PPM | XRF | |
| CU | 3.5 | PPM | XRF | |
| NI | 8.2 | PPM | XRF | |
| CR | 1 | PPM | XRF | |
| CS | 2.25 | PPM | INAA | |
| U | 3.1 | PPM | INAA | |
| TH | 5.47 | PPM | INAA | |
| HF | 11.11 | PPM | INAA | |
| TA | 1.34 | PPM | INAA | |
| SB | 1.08 | PPM | INAA | |
| ARSENIC | 3.4 | PPM | INAA | |
| SC | 4.12 | PPM | INAA | |
| CO | 0.5 | PPM | INAA | |
| LA | 49.8 | PPM | INAA | |
| CE | 108 | PPM | INAA | |
| ND | 50 | PPM | INAA | |
| SM | 11.75 | PPM | INAA | |
| EU | 2.5 | PPM | INAA | |
| TB | 2.11 | PPM | INAA | |
| YB | 7.56 | PPM | INAA | |
| LU | 1.16 | PPM | INAA |