Sample BC-15
NavDat sample number 31249 · DACITE
Sample
| Sample ID | BC-15 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 44.5666 |
|---|---|
| Longitude | -120.329 |
| State / province | Oregon |
| Formation | Clarno Formation |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 45.6 | 37.4 | 53.8 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 63.52 | WT% | XRF | |
| TIO2 | 0.85 | WT% | XRF | |
| AL2O3 | 15.2 | WT% | SRC AND AAS | |
| FEO | 5.69 | WT% | XRF | |
| MNO | 0.21 | WT% | XRF | |
| MGO | 2.7 | WT% | SRC AND AAS | |
| CAO | 4.45 | WT% | XRF | |
| NA2O | 3.63 | WT% | SRC AND AAS | |
| K2O | 2.57 | WT% | XRF | |
| P2O5 | 0.12 | WT% | XRF | |
| TOTAL | 98.94 | WT% | XRF | |
| RB | 24 | PPM | XRF | |
| SR | 220 | PPM | XRF | |
| Y | 38 | PPM | XRF | |
| ZR | 197 | PPM | XRF | |
| BA | 535 | PPM | XRF | |
| V | 100 | PPM | XRF | |
| CR | 49 | PPM | XRF | |
| NI | 30 | PPM | XRF |