Sample s_681
NavDat sample number 33826 · RHYODACITE
Sample
| Sample ID | s_681 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 42.88 |
|---|---|
| Longitude | -121.96 |
| Location | CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT MAZAMA / PACIFIC OCEAN |
| State / province | OREGON |
| Location comment | CRATER LAKE, SCOTT CREEK |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.41 | 0.395 | 0.423 | QUATERNARY |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 68.5 | WT% | XRF | |
| TIO2 | 0.5 | WT% | XRF | |
| AL2O3 | 15.5 | WT% | XRF | |
| FE2O3T | 3.28 | WT% | XRF | |
| CAO | 2.42 | WT% | XRF | |
| MGO | 0.9 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| K2O | 2.37 | WT% | AES | |
| NA2O | 5.46 | WT% | AES | |
| P2O5 | 0.13 | WT% | XRF | |
| LOI | 0.45 | WT% | IGN | |
| LA | 16 | PPM | INAA | |
| CE | 30 | PPM | INAA | |
| ND | 13 | PPM | INAA | |
| SM | 3.2 | PPM | INAA | |
| EU | 0.84 | PPM | INAA | |
| TB | 0.48 | PPM | INAA | |
| YB | 1.9 | PPM | INAA | |
| LU | 0.29 | PPM | INAA | |
| SC | 8.1 | PPM | INAA | |
| CR | 5.5 | PPM | INAA | |
| CO | 6.7 | PPM | INAA | |
| ZN | 46 | PPM | INAA | |
| RB | 35 | PPM | XRF | |
| SR | 295 | PPM | XRF | |
| Y | 24 | PPM | XRF | |
| ZR | 207 | PPM | XRF | |
| NB | 4.9 | PPM | ICPMS | |
| CS | 1.3 | PPM | INAA | |
| BA | 807 | PPM | XRF | |
| HF | 4.8 | PPM | INAA | |
| TA | 0.46 | PPM | INAA | |
| TH | 4.6 | PPM | INAA | |
| U | 1.8 | PPM | INAA |