Sample 88-4
NavDat sample number 34472 · ANDESITE
Sample
| Sample ID | 88-4 |
|---|---|
| Rock name | ANDESITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | intrusion |
Location
| Latitude | 44.7694 |
|---|---|
| Longitude | -122.275 |
| 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 | 60.31 | WT% | ICPAES | |
| TIO2 | 0.88 | WT% | ICPAES | |
| AL2O3 | 17.83 | WT% | ICPAES | |
| FEOT | 6.02 | WT% | TIT | |
| MNO | 0.11 | WT% | ICPAES | |
| MGO | 3.78 | WT% | ICPAES | |
| CAO | 6.14 | WT% | ICPAES | |
| NA2O | 3.63 | WT% | ICPAES | |
| K2O | 0.97 | WT% | ICPAES | |
| P2O5 | 0.33 | WT% | ICPAES | |
| TOTAL | 97.68 | WT% | ICPAES | |
| LOI | 3.13 | WT% | ICPAES | |
| BA | 350 | PPM | INAA | |
| LA | 15 | PPM | INAA | |
| CE | 29 | PPM | INAA | |
| RB | 41 | PPM | INAA | |
| SR | 822 | PPM | INAA | |
| AG | 0.3 | PPM | INAA | |
| CU | 25 | PPM | INAA | |
| MO | -1 | PPM | INAA | |
| PB | 12 | PPM | INAA | |
| ZN | 20 | PPM | INAA |