Sample s_693
NavDat sample number 33815 · RHYODACITE
Sample
| Sample ID | s_693 |
|---|---|
| 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 | 70.6 | WT% | XRF | |
| TIO2 | 0.39 | WT% | XRF | |
| AL2O3 | 14.6 | WT% | XRF | |
| FE2O3T | 2.46 | WT% | XRF | |
| CAO | 1.78 | WT% | XRF | |
| MGO | 0.44 | WT% | XRF | |
| MNO | 0.03 | WT% | XRF | |
| K2O | 2.84 | WT% | AES | |
| NA2O | 4.69 | WT% | AES | |
| P2O5 | 0.08 | WT% | XRF | |
| LOI | 0.66 | WT% | IGN | |
| LA | 24 | PPM | INAA | |
| ND | 21 | PPM | INAA | |
| SM | 4.6 | PPM | INAA | |
| EU | 0.84 | PPM | INAA | |
| TB | 0.67 | PPM | INAA | |
| YB | 2.5 | PPM | INAA | |
| LU | 0.38 | PPM | INAA | |
| SC | 5.67 | PPM | INAA | |
| CR | 1.4 | PPM | INAA | |
| CO | 3.2 | PPM | INAA | |
| ZN | 34 | PPM | INAA | |
| RB | 57 | PPM | XRF | |
| SR | 244 | PPM | XRF | |
| Y | 30 | PPM | XRF | |
| ZR | 237 | PPM | XRF | |
| NB | 6.2 | PPM | ICPMS | |
| CS | 1.3 | PPM | INAA | |
| BA | 839 | PPM | XRF | |
| HF | 5.8 | PPM | INAA | |
| TA | 0.53 | PPM | INAA | |
| TH | 5.5 | PPM | INAA | |
| U | 2.2 | PPM | INAA |