Sample s_LC86-829
NavDat sample number 39780 · ANDESITE
Sample
| Sample ID | s_LC86-829 |
|---|---|
| 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 / PACIFIC OCEAN |
| State / province | CALIFORNIA |
| Location comment | PEAK 1791 |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 1.37 | 1.37 | 1.37 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 51.5 | WT% | XRF | |
| TIO2 | 0.71 | WT% | XRF | |
| AL2O3 | 17.24 | WT% | XRF | |
| FEO | 7.33 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 9.2 | WT% | XRF | |
| CAO | 10.42 | WT% | XRF | |
| NA2O | 2.57 | WT% | XRF | |
| K2O | 0.61 | WT% | XRF | |
| P2O5 | 0.12 | WT% | XRF | |
| RB | 6.7 | PPM | XRF | |
| BA | 187 | PPM | XRF | |
| ZR | 75 | PPM | XRF | |
| SR | 452 | PPM | XRF | |
| Y | 15 | PPM | XRF | |
| NB | 2 | PPM | XRF | |
| NI | 158 | PPM | XRF | |
| CR | 401 | PPM | XRF | |
| CO | 39 | PPM | INAA | |
| CS | 0.43 | PPM | INAA | |
| HF | 1.65 | PPM | INAA | |
| TA | 0.25 | PPM | INAA | |
| TH | 1.1 | PPM | INAA | |
| U | 0.25 | PPM | INAA | |
| LA | 7 | PPM | INAA | |
| CE | 15 | PPM | INAA | |
| ND | 8.6 | PPM | INAA | |
| SM | 2.47 | PPM | INAA | |
| EU | 0.8 | PPM | INAA | |
| TB | 0.44 | PPM | INAA | |
| YB | 1.6 | PPM | INAA | |
| LU | 0.22 | PPM | INAA | |
| PB206_PB204 | 18.975 | UNKNOWN | ||
| PB207_PB204 | 15.613 | UNKNOWN | ||
| PB208_PB204 | 38.567 | UNKNOWN |