Sample 7779
NavDat sample number 7864 · BASALTIC-ANDESITE
Sample
| Sample ID | 7779 |
|---|---|
| Rock name | BASALTIC-ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 43.8145 |
|---|---|
| Longitude | -123.045 |
| State / province | Oregon |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 39.1 | 35 | 45 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 54.39 | WT% | XRF | |
| TIO2 | 1.5 | WT% | XRF | |
| AL2O3 | 17.9 | WT% | XRF | |
| FEOT | 9.01 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| MGO | 3.85 | WT% | XRF | |
| CAO | 8.75 | WT% | XRF | |
| NA2O | 3.43 | WT% | INAA | |
| K2O | 0.69 | WT% | XRF | |
| P2O5 | 0.33 | WT% | XRF | |
| TOTAL | 98.39 | WT% | XRF | |
| LOI | 1.01 | WT% | XRF | |
| BA | 241 | PPM | INAA | |
| LA | 16.7 | PPM | INAA | |
| CE | 37.2 | PPM | INAA | |
| RB | 11.96 | PPM | MS-ID | |
| SR | 388.9 | PPM | MS-ID | |
| CO | 25.6 | PPM | INAA | |
| CR | 46 | PPM | INAA | |
| SC | 26.3 | PPM | INAA |