Sample 86-2
NavDat sample number 34471 · ANDESITE
Sample
| Sample ID | 86-2 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 44.7884 |
|---|---|
| Longitude | -122.29 |
| State / province | Oregon |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 6 | 5 | 7 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 60.6 | WT% | ICPAES | |
| TIO2 | 0.91 | WT% | ICPAES | |
| AL2O3 | 18.3 | WT% | ICPAES | |
| FEOT | 6 | WT% | TIT | |
| MNO | 0.12 | WT% | ICPAES | |
| MGO | 2.9 | WT% | ICPAES | |
| CAO | 5.86 | WT% | ICPAES | |
| NA2O | 3.78 | WT% | ICPAES | |
| K2O | 1.21 | WT% | ICPAES | |
| P2O5 | 0.32 | WT% | ICPAES | |
| TOTAL | 98.02 | WT% | ICPAES | |
| LOI | 2.89 | WT% | ICPAES | |
| BA | 390 | PPM | INAA | |
| LA | 16 | PPM | INAA | |
| CE | 33 | PPM | INAA | |
| RB | 0 | PPM | INAA | |
| SR | 445 | PPM | INAA | |
| AG | 0.4 | PPM | INAA | |
| CU | 25 | PPM | INAA | |
| MO | 2 | PPM | INAA | |
| PB | 12 | PPM | INAA | |
| ZN | 35 | PPM | INAA |