Sample 724-2
NavDat sample number 34468 · RHYOLITE
Sample
| Sample ID | 724-2 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 44.7847 |
|---|---|
| Longitude | -122.271 |
| 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 | 78.13 | WT% | ICPAES | |
| TIO2 | 0.13 | WT% | ICPAES | |
| AL2O3 | 12.88 | WT% | ICPAES | |
| FEOT | 1.3 | WT% | TIT | |
| MNO | 0.04 | WT% | ICPAES | |
| MGO | 0.41 | WT% | ICPAES | |
| CAO | 1.33 | WT% | ICPAES | |
| NA2O | 4.5 | WT% | ICPAES | |
| K2O | 1.13 | WT% | ICPAES | |
| P2O5 | 0.15 | WT% | ICPAES | |
| TOTAL | 99.29 | WT% | ICPAES | |
| LOI | 2.03 | WT% | ICPAES | |
| BA | 200 | PPM | INAA | |
| LA | 24.2 | PPM | INAA | |
| CE | 45.6 | PPM | INAA | |
| RB | 30 | PPM | INAA | |
| SR | 165 | PPM | INAA | |
| AG | -0.3 | PPM | INAA | |
| CU | 6 | PPM | INAA | |
| MO | -1 | PPM | INAA | |
| PB | 6 | PPM | INAA | |
| ZN | 5 | PPM | INAA |