Sample s_690
NavDat sample number 33829 · RHYODACITE
Sample
| Sample ID | s_690 |
|---|---|
| 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 | 68.7 | WT% | XRF | |
| TIO2 | 0.52 | WT% | XRF | |
| AL2O3 | 15.1 | WT% | XRF | |
| FE2O3T | 3.39 | WT% | XRF | |
| CAO | 2.59 | WT% | XRF | |
| MGO | 1.02 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| K2O | 2.49 | WT% | AES | |
| NA2O | 4.67 | WT% | AES | |
| P2O5 | 0.16 | WT% | XRF | |
| LOI | 0.59 | WT% | IGN | |
| LA | 18 | PPM | INAA | |
| CE | 37 | PPM | INAA | |
| ND | 17 | PPM | INAA | |
| SM | 4.4 | PPM | INAA | |
| EU | 0.95 | PPM | INAA | |
| TB | 0.72 | PPM | INAA | |
| YB | 2.2 | PPM | INAA | |
| LU | 0.33 | PPM | INAA | |
| SC | 9.07 | PPM | INAA | |
| CR | 6.4 | PPM | INAA | |
| CO | 6.6 | PPM | INAA | |
| ZN | 53 | PPM | INAA | |
| RB | 50 | PPM | XRF | |
| SR | 314 | PPM | XRF | |
| Y | 21 | PPM | XRF | |
| ZR | 192 | PPM | XRF | |
| NB | 5 | PPM | ICPMS | |
| CS | 2.9 | PPM | INAA | |
| BA | 754 | PPM | XRF | |
| HF | 5.2 | PPM | INAA | |
| TA | 0.46 | PPM | INAA | |
| TH | 4.5 | PPM | INAA | |
| U | 1.9 | PPM | INAA |