Sample s_688
NavDat sample number 33828 · RHYODACITE
Sample
| Sample ID | s_688 |
|---|---|
| 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 | 69.2 | WT% | XRF | |
| TIO2 | 0.45 | WT% | XRF | |
| AL2O3 | 14.9 | WT% | XRF | |
| FE2O3T | 3.09 | WT% | XRF | |
| CAO | 2.25 | WT% | XRF | |
| MGO | 0.68 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| K2O | 2.57 | WT% | AES | |
| NA2O | 4.68 | WT% | AES | |
| P2O5 | 0.12 | WT% | XRF | |
| LOI | 0.75 | WT% | IGN | |
| LA | 20 | PPM | INAA | |
| CE | 35 | PPM | INAA | |
| ND | 17 | PPM | INAA | |
| SM | 3.8 | PPM | INAA | |
| EU | 0.86 | PPM | INAA | |
| TB | 0.53 | PPM | INAA | |
| YB | 2 | PPM | INAA | |
| LU | 0.3 | PPM | INAA | |
| SC | 8.4 | PPM | INAA | |
| CR | 6.9 | PPM | INAA | |
| CO | 6.6 | PPM | INAA | |
| ZN | 43 | PPM | INAA | |
| RB | 55 | PPM | XRF | |
| SR | 321 | PPM | XRF | |
| Y | 24 | PPM | XRF | |
| ZR | 211 | PPM | XRF | |
| NB | 5.5 | PPM | ICPMS | |
| CS | 1.8 | PPM | INAA | |
| BA | 792 | PPM | XRF | |
| HF | 5 | PPM | INAA | |
| TA | 0.48 | PPM | INAA | |
| TH | 4.9 | PPM | INAA | |
| U | 1.9 | PPM | INAA |