Sample RT17A
NavDat sample number 37150 · RHYOLITE
Sample
| Sample ID | RT17A |
|---|---|
| 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 | 75.98 | WT% | XRF | |
| TIO2 | 0.14 | WT% | XRF | |
| AL2O3 | 12.23 | WT% | XRF | |
| FE2O3 | 1.67 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| MGO | 0.07 | WT% | XRF | |
| CAO | 0.87 | WT% | XRF | |
| NA2O | 2.72 | WT% | XRF | |
| K2O | 6.2 | WT% | XRF | |
| P2O5 | 0.03 | WT% | XRF | |
| RB | 84 | PPM | XRF | |
| BA | 843 | PPM | XRF | |
| SR | 19 | PPM | XRF | |
| ZR | 355 | PPM | XRF | |
| NB | 29.9 | PPM | XRF | |
| Y | 86 | PPM | XRF | |
| PB | 8.9 | PPM | XRF | |
| ZN | 60 | PPM | XRF | |
| GA | 17.9 | PPM | XRF | |
| V | 2.1 | PPM | XRF | |
| CU | 3.3 | PPM | XRF | |
| NI | 9.3 | PPM | XRF | |
| CR | 3.1 | PPM | XRF | |
| CS | 2.96 | PPM | INAA | |
| U | 3.5 | PPM | INAA | |
| TH | 7.11 | PPM | INAA | |
| HF | 10.05 | PPM | INAA | |
| TA | 1.62 | PPM | INAA | |
| SB | 1.28 | PPM | INAA | |
| ARSENIC | 4 | PPM | INAA | |
| SC | 4.07 | PPM | INAA | |
| CO | 0.18 | PPM | INAA | |
| LA | 44.5 | PPM | INAA | |
| CE | 102 | PPM | INAA | |
| ND | 48 | PPM | INAA | |
| SM | 13.04 | PPM | INAA | |
| EU | 1.71 | PPM | INAA | |
| TB | 2.33 | PPM | INAA | |
| YB | 8.89 | PPM | INAA | |
| LU | 1.32 | PPM | INAA |