Sample RT-50B
NavDat sample number 39511 · DACITE
Sample
| Sample ID | RT-50B |
|---|---|
| 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 | 64.53 | WT% | XRF | |
| TIO2 | 1.14 | WT% | XRF | |
| AL2O3 | 13.38 | WT% | XRF | |
| FE2O3 | 6.79 | WT% | XRF | |
| FEO | 5.8 | WT% | INAA | |
| MNO | 0.17 | WT% | XRF | |
| MGO | 1.69 | WT% | XRF | |
| CAO | 3.97 | WT% | XRF | |
| NA2O | 4.08 | WT% | XRF | |
| NA2O | 3.85 | WT% | INAA | |
| K2O | 3.69 | WT% | XRF | |
| P2O5 | 0.56 | WT% | XRF | |
| RB | 50 | PPM | XRF | |
| BA | 1290 | PPM | XRF | |
| SR | 168 | PPM | XRF | |
| ZR | 374 | PPM | XRF | |
| NB | 22.2 | PPM | XRF | |
| Y | 64 | PPM | XRF | |
| PB | 19 | PPM | XRF | |
| ZN | 133 | PPM | XRF | |
| V | 83 | PPM | XRF | |
| CU | 20 | PPM | XRF | |
| NI | 13 | PPM | XRF | |
| CS | 1.73 | PPM | INAA | |
| U | 2.2 | PPM | INAA | |
| TH | 4.12 | PPM | INAA | |
| HF | 8.77 | PPM | INAA | |
| TA | 1.21 | PPM | INAA | |
| SB | 0.94 | PPM | INAA | |
| CR | 23 | PPM | XRF | |
| LA | 34.3 | PPM | INAA | |
| CE | 80 | PPM | INAA | |
| GA | 19 | PPM | XRF | |
| ND | 35 | PPM | INAA | |
| SM | 9.69 | PPM | INAA | |
| EU | 2.96 | PPM | INAA | |
| TB | 1.88 | PPM | INAA | |
| YB | 6.7 | PPM | INAA | |
| LU | 0.97 | PPM | INAA |