Sample 819-15
NavDat sample number 34467 · ANDESITE
Sample
| Sample ID | 819-15 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 44.7846 |
|---|---|
| Longitude | -122.274 |
| State / province | Oregon |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 12 | 7 | 17 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 61.52 | WT% | ICPAES | |
| TIO2 | 0.61 | WT% | ICPAES | |
| AL2O3 | 18.44 | WT% | ICPAES | |
| FEOT | 4.77 | WT% | TIT | |
| MNO | 0.1 | WT% | ICPAES | |
| MGO | 2.04 | WT% | ICPAES | |
| CAO | 5.79 | WT% | ICPAES | |
| NA2O | 4.3 | WT% | ICPAES | |
| K2O | 2.04 | WT% | ICPAES | |
| P2O5 | 0.39 | WT% | ICPAES | |
| TOTAL | 101.23 | WT% | ICPAES | |
| LOI | 1.7 | WT% | ICPAES | |
| BA | 266 | PPM | INAA | |
| LA | 10.6 | PPM | INAA | |
| CE | 22.1 | PPM | INAA | |
| RB | 25 | PPM | INAA | |
| SR | 738 | PPM | INAA | |
| AG | 0.4 | PPM | INAA | |
| CU | 45 | PPM | INAA | |
| MO | -1 | PPM | INAA | |
| PB | 10 | PPM | INAA | |
| ZN | 35 | PPM | INAA |