Sample s_G
NavDat sample number 5732 · RHYODACITE
Sample
| Sample ID | s_G |
|---|---|
| Rock name | RHYODACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | subaerial |
Location
| Latitude | 40.49 |
|---|---|
| Longitude | -121.51 |
| Location | CASCADES / HIGH CASCADES / SOUTHERN CASCADES / BROKEOFF / PACIFIC OCEAN |
| State / province | CALIFORNIA |
| Elevation | 3187 |
| Location comment | LASSEN VOLCANIC NATIONAL PARK, FROM CONE OF VOLCANO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.5 | 0.4 | 0.6 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 68 | WT% | XRF | |
| TIO2 | 0.74 | WT% | XRF | |
| AL2O3 | 15.09 | WT% | XRF | |
| FE2O3 | 2.36 | WT% | XRF | |
| FEO | 1.22 | WT% | XRF | |
| CAO | 3.12 | WT% | XRF | |
| MGO | 1.31 | WT% | AAS | |
| MNO | 0.07 | WT% | XRF | |
| K2O | 3.05 | WT% | XRF | |
| NA2O | 4.03 | WT% | AAS | |
| P2O5 | 0.16 | WT% | XRF | |
| H2O | 1.02 | WT% | XRF | |
| RB | 77 | PPM | XRF | |
| SR | 200 | PPM | XRF | |
| ZR | 187 | PPM | XRF | |
| BA | 969 | PPM | XRF | |
| SIO2 | 68.4 | WT% | XRF | |
| TIO2 | 0.5 | WT% | XRF | |
| AL2O3 | 14.91 | WT% | XRF | |
| FE2O3 | 1.6 | WT% | XRF | |
| FEO | 1.52 | WT% | XRF | |
| CAO | 3.45 | WT% | XRF | |
| MGO | 1.36 | WT% | AAS | |
| MNO | 0.09 | WT% | XRF | |
| K2O | 2.6 | WT% | XRF | |
| NA2O | 4.28 | WT% | AAS | |
| P2O5 | 0.11 | WT% | XRF | |
| H2O | 1.02 | WT% | XRF | |
| RB | 58 | PPM | XRF | |
| SR | 255 | PPM | XRF | |
| ZR | 125 | PPM | XRF | |
| BA | 672 | PPM | XRF |