Sample s_A
NavDat sample number 5726 · ANDESITE
Sample
| Sample ID | s_A |
|---|---|
| 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 | 61.8 | WT% | XRF | |
| TIO2 | 0.75 | WT% | XRF | |
| AL2O3 | 16.36 | WT% | XRF | |
| FE2O3 | 1.77 | WT% | XRF | |
| FEO | 3.18 | WT% | XRF | |
| CAO | 6.12 | WT% | XRF | |
| MGO | 3.67 | WT% | AAS | |
| MNO | 0.08 | WT% | XRF | |
| K2O | 1.75 | WT% | XRF | |
| NA2O | 4.06 | WT% | AAS | |
| P2O5 | 0.14 | WT% | XRF | |
| H2O | 0.13 | WT% | XRF | |
| RB | 46 | PPM | XRF | |
| SR | 566 | PPM | XRF | |
| ZR | 143 | PPM | XRF | |
| BA | 388 | PPM | XRF | |
| SIO2 | 67.05 | WT% | XRF | |
| TIO2 | 0.61 | WT% | XRF | |
| AL2O3 | 15.41 | WT% | XRF | |
| FE2O3 | 2.05 | WT% | XRF | |
| FEO | 1.18 | WT% | XRF | |
| CAO | 4.31 | WT% | XRF | |
| MGO | 2.29 | WT% | AAS | |
| MNO | 0.09 | WT% | XRF | |
| K2O | 2.45 | WT% | XRF | |
| NA2O | 4.15 | WT% | AAS | |
| P2O5 | 0.14 | WT% | XRF | |
| H2O | 0.45 | WT% | XRF | |
| RB | 47 | PPM | XRF | |
| SR | 266 | PPM | XRF | |
| ZR | 124 | PPM | XRF | |
| BA | 585 | PPM | XRF |