Sample 78BR32
NavDat sample number 7876 · ANDESITE
Sample
| Sample ID | 78BR32 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 44.3343 |
|---|---|
| Longitude | -122.903 |
| 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 | 57.96 | WT% | XRF | |
| TIO2 | 1.13 | WT% | XRF | |
| AL2O3 | 17.47 | WT% | XRF | |
| FEOT | 9.14 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| MGO | 2.57 | WT% | XRF | |
| CAO | 6.74 | WT% | XRF | |
| NA2O | 3.8 | WT% | INAA | |
| K2O | 0.8 | WT% | XRF | |
| P2O5 | 0.25 | WT% | XRF | |
| TOTAL | 99.34 | WT% | XRF | |
| LOI | 2.36 | WT% | XRF | |
| BA | 335 | PPM | INAA | |
| LA | 17.6 | PPM | INAA | |
| CE | 40.1 | PPM | INAA | |
| RB | 31.3 | PPM | MS-ID | |
| SR | 315.5 | PPM | MS-ID | |
| CO | 16.4 | PPM | INAA | |
| CR | 10 | PPM | INAA | |
| SC | 24.4 | PPM | INAA |