Sample s_C
NavDat sample number 5728 · ANDESITE
Sample
| Sample ID | s_C |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| 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 | 62.1 | WT% | XRF | |
| TIO2 | 0.37 | WT% | XRF | |
| AL2O3 | 16.13 | WT% | XRF | |
| FE2O3 | 1.89 | WT% | XRF | |
| FEO | 3.01 | WT% | XRF | |
| CAO | 5.78 | WT% | XRF | |
| MGO | 3.72 | WT% | AAS | |
| MNO | 0.08 | WT% | XRF | |
| K2O | 1.89 | WT% | XRF | |
| NA2O | 3.94 | WT% | AAS | |
| P2O5 | 0.15 | WT% | XRF | |
| H2O | 0.7 | WT% | XRF | |
| RB | 48 | PPM | XRF | |
| SR | 585 | PPM | XRF | |
| ZR | 154 | PPM | XRF | |
| BA | 514 | PPM | XRF | |
| SIO2 | 69.3 | WT% | XRF | |
| TIO2 | 0.46 | WT% | XRF | |
| AL2O3 | 14.44 | WT% | XRF | |
| FE2O3 | 3.02 | WT% | XRF | |
| FEO | 0.16 | WT% | XRF | |
| CAO | 3.33 | WT% | XRF | |
| MGO | 1.55 | WT% | AAS | |
| MNO | 0.07 | WT% | XRF | |
| K2O | 2.82 | WT% | XRF | |
| NA2O | 3.98 | WT% | AAS | |
| P2O5 | 0.09 | WT% | XRF | |
| H2O | 1.07 | WT% | XRF | |
| RB | 70 | PPM | XRF | |
| SR | 299 | PPM | XRF | |
| ZR | 129 | PPM | XRF | |
| BA | 731 | PPM | XRF |