Sample s_1221G
NavDat sample number 33843 · RHYODACITE
Sample
| Sample ID | s_1221G |
|---|---|
| Rock name | RHYODACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 42.95 |
|---|---|
| Longitude | -121.94 |
| Location | CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT MAZAMA / PACIFIC OCEAN |
| State / province | OREGON |
| Location comment | CRATER LAKE, POTHOLE BUTTE |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.45 | 0.448 | 0.456 | QUATERNARY |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 72.7 | WT% | XRF | |
| TIO2 | 0.33 | WT% | XRF | |
| AL2O3 | 13.4 | WT% | XRF | |
| FE2O3T | 1.7 | WT% | XRF | |
| CAO | 1.17 | WT% | XRF | |
| MGO | 0.32 | WT% | XRF | |
| MNO | 0.03 | WT% | XRF | |
| K2O | 3.11 | WT% | AES | |
| NA2O | 4.65 | WT% | AES | |
| P2O5 | 0.05 | WT% | XRF | |
| LOI | 2.31 | WT% | IGN | |
| LA | 21 | PPM | INAA | |
| CE | 40 | PPM | INAA | |
| ND | 18 | PPM | INAA | |
| SM | 4 | PPM | INAA | |
| EU | 0.62 | PPM | INAA | |
| TB | 0.57 | PPM | INAA | |
| YB | 2.6 | PPM | INAA | |
| LU | 0.36 | PPM | INAA | |
| SC | 5.11 | PPM | INAA | |
| CO | 4.1 | PPM | INAA | |
| ZN | 37 | PPM | INAA | |
| RB | 63 | PPM | XRF | |
| SR | 165 | PPM | XRF | |
| Y | 28 | PPM | XRF | |
| ZR | 271 | PPM | XRF | |
| NB | 8.4 | PPM | ICPMS | |
| CS | 3.3 | PPM | INAA | |
| BA | 914 | PPM | XRF | |
| HF | 6.3 | PPM | INAA | |
| TA | 0.59 | PPM | INAA | |
| TH | 6.1 | PPM | INAA | |
| U | 2.2 | PPM | INAA |