Sample 78BL42
NavDat sample number 7878 · ANDESITE
Sample
| Sample ID | 78BL42 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 44.5586 |
|---|---|
| Longitude | -122.858 |
| 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 | 59.24 | WT% | XRF | |
| TIO2 | 1.44 | WT% | XRF | |
| AL2O3 | 15.98 | WT% | XRF | |
| FEOT | 8.58 | WT% | XRF | |
| MNO | 0.19 | WT% | XRF | |
| MGO | 2.73 | WT% | XRF | |
| CAO | 5.89 | WT% | XRF | |
| NA2O | 4.3 | WT% | INAA | |
| K2O | 1.34 | WT% | XRF | |
| P2O5 | 0.31 | WT% | XRF | |
| TOTAL | 98.12 | WT% | XRF | |
| LOI | 1.1 | WT% | XRF | |
| BA | 421 | PPM | INAA | |
| LA | 23.2 | PPM | INAA | |
| CE | 55.7 | PPM | INAA | |
| RB | 27.05 | PPM | MS-ID | |
| SR | 288.7 | PPM | MS-ID | |
| CO | 22.1 | PPM | INAA | |
| CR | 0 | PPM | INAA | |
| SC | 25.2 | PPM | INAA |