Sample 253
NavDat sample number 65966 · DACITE
Sample
| Sample ID | 253 |
|---|---|
| Alternate ID | 98-LG-170 |
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Rhyodacite |
Location
| Latitude | 45.4015 |
|---|---|
| Longitude | -118.745 |
| State / province | Oregon |
| Formation | Clarno Formation |
| Elevation | 756 |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 44.25 | 33.7 | 54.8 | Eocene |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 69.1 | WT% | XRF | |
| AL2O3 | 16.31 | WT% | XRF | |
| TIO2 | 0.422 | WT% | XRF | |
| FEOT | 2.68 | WT% | XRF | |
| MNO | 0.051 | WT% | XRF | |
| CAO | 4.76 | WT% | XRF | |
| MGO | 1.17 | WT% | XRF | |
| K2O | 3.21 | WT% | XRF | |
| NA2O | 2.16 | WT% | XRF | |
| P2O5 | 0.144 | WT% | XRF | |
| TOTAL | 95.55 | WT% | XRF | |
| NI | 19 | PPM | XRF | |
| CR | 26 | PPM | XRF | |
| SC | 11 | PPM | XRF | |
| V | 38 | PPM | XRF | |
| BA | 982 | PPM | XRF | |
| RB | 100 | PPM | XRF | |
| SR | 318 | PPM | XRF | |
| ZR | 117 | PPM | XRF | |
| Y | 11 | PPM | XRF | |
| NB | 4.7 | PPM | XRF | |
| GA | 18 | PPM | XRF | |
| CU | 8 | PPM | XRF | |
| ZN | 46 | PPM | XRF | |
| PB | 14 | PPM | XRF | |
| LA | 25 | PPM | XRF | |
| CE | 27 | PPM | XRF | |
| TH | 6 | PPM | XRF |