Sample s_1224
NavDat sample number 33824 · RHYODACITE
Sample
| Sample ID | s_1224 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 42.84 |
|---|---|
| Longitude | -122.09 |
| Location | CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT MAZAMA / PACIFIC OCEAN |
| State / province | OREGON |
| Location comment | CRATER LAKE, CRATER PEAK |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.47 | 0.459 | 0.477 | QUATERNARY |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 71.8 | WT% | XRF | |
| TIO2 | 0.42 | WT% | XRF | |
| AL2O3 | 14.4 | WT% | XRF | |
| FE2O3T | 2.66 | WT% | XRF | |
| CAO | 1.84 | WT% | XRF | |
| MGO | 0.71 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| K2O | 2.81 | WT% | AES | |
| NA2O | 4.8 | WT% | AES | |
| P2O5 | 0.08 | WT% | XRF | |
| LOI | 0.75 | WT% | IGN | |
| LA | 18 | PPM | INAA | |
| CE | 38 | PPM | INAA | |
| ND | 16 | PPM | INAA | |
| SM | 3.8 | PPM | INAA | |
| EU | 0.96 | PPM | INAA | |
| TB | 0.56 | PPM | INAA | |
| YB | 2.1 | PPM | INAA | |
| LU | 0.32 | PPM | INAA | |
| SC | 7.84 | PPM | INAA | |
| CR | 2.2 | PPM | INAA | |
| CO | 4.4 | PPM | INAA | |
| ZN | 51 | PPM | INAA | |
| RB | 58 | PPM | XRF | |
| SR | 240 | PPM | XRF | |
| Y | 22 | PPM | XRF | |
| ZR | 220 | PPM | XRF | |
| NB | 5.5 | PPM | ICPMS | |
| CS | 1.1 | PPM | INAA | |
| BA | 851 | PPM | XRF | |
| HF | 5.1 | PPM | INAA | |
| TA | 0.51 | PPM | INAA | |
| TH | 4.9 | PPM | INAA | |
| U | 1.8 | PPM | INAA |