Sample s_732
NavDat sample number 33818 · RHYODACITE
Sample
| Sample ID | s_732 |
|---|---|
| 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 | WT% | XRF | |
| TIO2 | 0.43 | WT% | XRF | |
| AL2O3 | 13.9 | WT% | XRF | |
| FE2O3T | 2.46 | WT% | XRF | |
| CAO | 1.83 | WT% | XRF | |
| MGO | 0.62 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| K2O | 2.92 | WT% | AES | |
| NA2O | 4.59 | WT% | AES | |
| P2O5 | 0.09 | WT% | XRF | |
| LOI | 1.81 | WT% | IGN | |
| LA | 19 | PPM | INAA | |
| CE | 38 | PPM | INAA | |
| ND | 16 | PPM | INAA | |
| SM | 3.8 | PPM | INAA | |
| EU | 0.78 | PPM | INAA | |
| TB | 0.57 | PPM | INAA | |
| YB | 2.3 | PPM | INAA | |
| LU | 0.32 | PPM | INAA | |
| SC | 6.74 | PPM | INAA | |
| CR | 2.8 | PPM | INAA | |
| CO | 3.8 | PPM | INAA | |
| ZN | 42 | PPM | INAA | |
| RB | 59 | PPM | XRF | |
| SR | 242 | PPM | XRF | |
| Y | 24 | PPM | XRF | |
| ZR | 231 | PPM | XRF | |
| NB | 7.9 | PPM | ICPMS | |
| CS | 2.9 | PPM | INAA | |
| BA | 826 | PPM | XRF | |
| HF | 5.6 | PPM | INAA | |
| TA | 0.53 | PPM | INAA | |
| TH | 5.3 | PPM | INAA | |
| U | 2 | PPM | INAA |