Sample s_1204G
NavDat sample number 33849 · RHYODACITE
Sample
| Sample ID | s_1204G |
|---|---|
| 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 | 73.2 | WT% | XRF | |
| TIO2 | 0.36 | WT% | XRF | |
| AL2O3 | 13.7 | WT% | XRF | |
| FE2O3T | 1.96 | WT% | XRF | |
| CAO | 1.4 | WT% | XRF | |
| MGO | 0.41 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| K2O | 2.97 | WT% | AES | |
| NA2O | 5.11 | WT% | AES | |
| P2O5 | 0.09 | WT% | XRF | |
| LOI | 0.64 | WT% | IGN | |
| LA | 21 | PPM | INAA | |
| CE | 40 | PPM | INAA | |
| ND | 19 | PPM | INAA | |
| SM | 4.5 | PPM | INAA | |
| EU | 0.75 | PPM | INAA | |
| TB | 0.64 | PPM | INAA | |
| YB | 2.4 | PPM | INAA | |
| LU | 0.36 | PPM | INAA | |
| SC | 5.84 | PPM | INAA | |
| CO | 2.6 | PPM | INAA | |
| ZN | 38 | PPM | INAA | |
| RB | 57 | PPM | XRF | |
| SR | 179 | PPM | XRF | |
| Y | 28 | PPM | XRF | |
| ZR | 257 | PPM | XRF | |
| NB | 8.3 | PPM | ICPMS | |
| CS | 3.4 | PPM | INAA | |
| BA | 845 | PPM | XRF | |
| HF | 5.9 | PPM | INAA | |
| TA | 0.5 | PPM | INAA | |
| TH | 5.3 | PPM | INAA | |
| U | 2.2 | PPM | INAA |