Sample s_B
NavDat sample number 5727 · ANDESITE
Sample
| Sample ID | s_B |
|---|---|
| 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 | 60.3 | WT% | XRF | |
| TIO2 | 0.8 | WT% | XRF | |
| AL2O3 | 16.41 | WT% | XRF | |
| FE2O3 | 1.86 | WT% | XRF | |
| FEO | 3.35 | WT% | XRF | |
| CAO | 6.26 | WT% | XRF | |
| MGO | 3.56 | WT% | AAS | |
| MNO | 0.09 | WT% | XRF | |
| K2O | 1.83 | WT% | XRF | |
| NA2O | 3.95 | WT% | AAS | |
| P2O5 | 0.18 | WT% | XRF | |
| H2O | 1.24 | WT% | XRF | |
| RB | 39 | PPM | XRF | |
| SR | 562 | PPM | XRF | |
| ZR | 159 | PPM | XRF | |
| BA | 542 | PPM | XRF | |
| SIO2 | 70 | WT% | XRF | |
| TIO2 | 0.42 | WT% | XRF | |
| AL2O3 | 14.12 | WT% | XRF | |
| FE2O3 | 1.29 | WT% | XRF | |
| FEO | 1.37 | WT% | XRF | |
| CAO | 2.95 | WT% | XRF | |
| MGO | 1.29 | WT% | AAS | |
| MNO | 0.08 | WT% | XRF | |
| K2O | 2.75 | WT% | XRF | |
| NA2O | 4.11 | WT% | AAS | |
| P2O5 | 0.09 | WT% | XRF | |
| H2O | 1.3 | WT% | XRF | |
| RB | 42 | PPM | XRF | |
| SR | 154 | PPM | XRF | |
| ZR | 78 | PPM | XRF | |
| BA | 657 | PPM | XRF |