Sample 78BR20
NavDat sample number 7866 · BASALTIC-ANDESITE
Sample
| Sample ID | 78BR20 |
|---|---|
| Rock name | BASALTIC-ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 44.4042 |
|---|---|
| Longitude | -122.983 |
| State / province | Oregon |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 30 | 25 | 35 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 54.86 | WT% | XRF | |
| TIO2 | 1.6 | WT% | XRF | |
| AL2O3 | 17.57 | WT% | XRF | |
| FEOT | 9.42 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| MGO | 3.13 | WT% | XRF | |
| CAO | 8.48 | WT% | XRF | |
| NA2O | 3.58 | WT% | INAA | |
| K2O | 0.98 | WT% | XRF | |
| P2O5 | 0.23 | WT% | XRF | |
| TOTAL | 98.17 | WT% | XRF | |
| LOI | 1.43 | WT% | XRF | |
| BA | 262 | PPM | INAA | |
| LA | 15.2 | PPM | INAA | |
| CE | 35 | PPM | INAA | |
| RB | 18.5 | PPM | MS-ID | |
| SR | 342.7 | PPM | MS-ID | |
| CO | 27.7 | PPM | INAA | |
| CR | 19 | PPM | INAA | |
| SC | 28.7 | PPM | INAA |