Sample RT-50A
NavDat sample number 39510 · DACITE
Sample
| Sample ID | RT-50A |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 43.2 |
|---|---|
| Longitude | -119.7 |
| State / province | Oregon |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 7.05 | 7.04 | 7.06 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 61.92 | WT% | XRF | |
| TIO2 | 1.41 | WT% | XRF | |
| AL2O3 | 13.8 | WT% | XRF | |
| FE2O3 | 7.81 | WT% | XRF | |
| FEO | 6.91 | WT% | INAA | |
| MNO | 0.19 | WT% | XRF | |
| MGO | 1.9 | WT% | XRF | |
| CAO | 4.5 | WT% | XRF | |
| NA2O | 3.53 | WT% | XRF | |
| NA2O | 3.57 | WT% | INAA | |
| K2O | 4.18 | WT% | XRF | |
| P2O5 | 0.76 | WT% | XRF | |
| RB | 42 | PPM | XRF | |
| BA | 1240 | PPM | XRF | |
| SR | 185 | PPM | XRF | |
| ZR | 375 | PPM | XRF | |
| NB | 20.8 | PPM | XRF | |
| Y | 60 | PPM | XRF | |
| PB | 15 | PPM | XRF | |
| ZN | 135 | PPM | XRF | |
| V | 90 | PPM | XRF | |
| CU | 23 | PPM | XRF | |
| NI | 21 | PPM | XRF | |
| CS | 1.64 | PPM | INAA | |
| TH | 4.13 | PPM | INAA | |
| HF | 8.77 | PPM | INAA | |
| TA | 1.19 | PPM | INAA | |
| SB | 1.03 | PPM | INAA | |
| CR | 46 | PPM | XRF | |
| LA | 31.1 | PPM | INAA | |
| CE | 71 | PPM | INAA | |
| GA | 18 | PPM | XRF | |
| ND | 37 | PPM | INAA | |
| SM | 8.89 | PPM | INAA | |
| EU | 3.24 | PPM | INAA | |
| TB | 1.87 | PPM | INAA | |
| YB | 6.5 | PPM | INAA | |
| LU | 0.92 | PPM | INAA |