Sample 78BR12
NavDat sample number 7874 · BASALTIC-ANDESITE
Sample
| Sample ID | 78BR12 |
|---|---|
| Rock name | BASALTIC-ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 44.285 |
|---|---|
| Longitude | -122.992 |
| State / province | Oregon |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 31.8 | 31 | 33 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 56.49 | WT% | XRF | |
| TIO2 | 0.78 | WT% | XRF | |
| AL2O3 | 15.92 | WT% | XRF | |
| FEOT | 7.81 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| MGO | 6.13 | WT% | XRF | |
| CAO | 9.03 | WT% | XRF | |
| NA2O | 2.75 | WT% | INAA | |
| K2O | 0.83 | WT% | XRF | |
| P2O5 | 0.11 | WT% | XRF | |
| TOTAL | 99.18 | WT% | XRF | |
| LOI | 1.55 | WT% | XRF | |
| BA | 215 | PPM | INAA | |
| LA | 11.1 | PPM | INAA | |
| CE | 24.4 | PPM | INAA | |
| RB | 13.01 | PPM | MS-ID | |
| SR | 418.1 | PPM | MS-ID | |
| CO | 29.7 | PPM | INAA | |
| CR | 193 | PPM | INAA | |
| SC | 28.5 | PPM | INAA |