Sample RT120A
NavDat sample number 37131 · RHYOLITE
Sample
| Sample ID | RT120A |
|---|---|
| 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 | 77.02 | WT% | XRF | |
| TIO2 | 0.11 | WT% | XRF | |
| AL2O3 | 11.8 | WT% | XRF | |
| FE2O3 | 1.41 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| MGO | 0.02 | WT% | XRF | |
| CAO | 0.39 | WT% | XRF | |
| NA2O | 3.36 | WT% | XRF | |
| K2O | 5.74 | WT% | XRF | |
| P2O5 | 0.05 | WT% | XRF | |
| RB | 94 | PPM | XRF | |
| BA | 131 | PPM | XRF | |
| SR | 12.5 | PPM | XRF | |
| ZR | 302 | PPM | XRF | |
| NB | 33 | PPM | XRF | |
| Y | 98 | PPM | XRF | |
| PB | 16.9 | PPM | XRF | |
| ZN | 101 | PPM | XRF | |
| GA | 18 | PPM | XRF | |
| V | 1.4 | PPM | XRF | |
| CU | 4.6 | PPM | XRF | |
| NI | 15 | PPM | XRF | |
| CR | 0.6 | PPM | XRF | |
| CS | 3.3 | PPM | INAA | |
| U | 3.62 | PPM | INAA | |
| TH | 7.69 | PPM | INAA | |
| HF | 9.41 | PPM | INAA | |
| TA | 1.81 | PPM | INAA | |
| SB | 1.41 | PPM | INAA | |
| ARSENIC | 5.7 | PPM | INAA | |
| SC | 3.84 | PPM | INAA | |
| CO | 0.28 | PPM | INAA | |
| LA | 39.4 | PPM | INAA | |
| CE | 97 | PPM | INAA | |
| ND | 53 | PPM | INAA | |
| SM | 13.57 | PPM | INAA | |
| EU | 1.16 | PPM | INAA | |
| TB | 2.68 | PPM | INAA | |
| YB | 9.79 | PPM | INAA | |
| LU | 1.42 | PPM | INAA |