Sample s_LC80-436B
NavDat sample number 20553 · ANDESITE
Sample
| Sample ID | s_LC80-436B |
|---|---|
| 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 / LASSEN VOLCANIC CENTER / BROKEOFF PHASE, STAGE I / PACIFIC OCEAN |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.54 | 0.47 | 0.6 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 55.28 | WT% | XRF | |
| TIO2 | 0.66 | WT% | XRF | |
| AL2O3 | 15.82 | WT% | XRF | |
| FE2O3 | 1.5 | WT% | XRF | |
| FEOT | 6.76 | WT% | XRF | |
| FEO | 5.4 | WT% | XRF | |
| CAO | 9.23 | WT% | XRF | |
| MGO | 7.99 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| K2O | 0.84 | WT% | XRF | |
| NA2O | 2.96 | WT% | XRF | |
| P2O5 | 0.16 | WT% | XRF | |
| LOI | 0.06 | WT% | IGN | |
| CO | 33 | PPM | XRF/INAA | |
| RB | 16 | PPM | XRF/INAA | |
| SR | 653 | PPM | XRF/INAA | |
| Y | 19 | PPM | XRF/INAA | |
| ZR | 99 | PPM | XRF/INAA | |
| NB | 2 | PPM | XRF/INAA | |
| BA | 272 | PPM | XRF/INAA | |
| PB | 4.3 | PPM | XRF/INAA | |
| ND143_ND144 | 0.512891 | TIMS | ||
| SR87_SR86 | 0.70325 | TIMS | ||
| PB206_PB204 | 18.868 | TIMS | ||
| PB207_PB204 | 15.592 | TIMS | ||
| PB208_PB204 | 38.469 | TIMS |