Sample BC-12
NavDat sample number 31248 · DACITE
Sample
| Sample ID | BC-12 |
|---|---|
| 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 | 63.7 | WT% | XRF | |
| TIO2 | 1.16 | WT% | XRF | |
| AL2O3 | 15.68 | WT% | SRC AND AAS | |
| FEO | 6.27 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 2.12 | WT% | SRC AND AAS | |
| CAO | 5.53 | WT% | XRF | |
| NA2O | 4.3 | WT% | SRC AND AAS | |
| K2O | 0.91 | WT% | XRF | |
| P2O5 | 0.21 | WT% | XRF | |
| TOTAL | 100.01 | WT% | XRF | |
| RB | 55 | PPM | XRF | |
| SR | 304 | PPM | XRF | |
| Y | 31 | PPM | XRF | |
| ZR | 288 | PPM | XRF | |
| BA | 498 | PPM | XRF | |
| V | 109 | PPM | XRF | |
| CR | 61 | PPM | XRF | |
| NI | 17 | PPM | XRF |