Sample s_LM80-854
NavDat sample number 20551 · ANDESITE
Sample
| Sample ID | s_LM80-854 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | subaerial |
Location
| Latitude | 40.492 |
|---|---|
| Longitude | -121.508 |
| Location | CASCADES / HIGH CASCADES / SOUTHERN CASCADES / LASSEN VOLCANIC CENTER / BROKEOFF SEQUENCE / PACIFIC OCEAN |
| State / province | California |
| Location comment | BROKEOFF VOLCANO |
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 | 60.1 | WT% | XRF | |
| TIO2 | 0.62 | WT% | XRF | |
| AL2O3 | 18.05 | WT% | XRF | |
| FE2O3 | 1.07 | WT% | XRF | |
| FEOT | 4.82 | WT% | XRF | |
| FEO | 3.86 | WT% | XRF | |
| CAO | 7.27 | WT% | XRF | |
| MGO | 4.01 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| K2O | 1.15 | WT% | XRF | |
| NA2O | 3.6 | WT% | XRF | |
| P2O5 | 0.16 | WT% | XRF | |
| LOI | 0.26 | WT% | IGN | |
| LA | 11 | PPM | XRF/INAA | |
| SM | 2.7 | PPM | XRF/INAA | |
| EU | 0.8 | PPM | XRF/INAA | |
| YB | 1.2 | PPM | XRF/INAA | |
| SC | 15.6 | PPM | XRF/INAA | |
| CR | 58 | PPM | XRF/INAA | |
| CO | 19.1 | PPM | XRF/INAA | |
| RB | 23 | PPM | XRF/INAA | |
| SR | 799 | PPM | XRF/INAA | |
| Y | 15 | PPM | XRF/INAA | |
| ZR | 121 | PPM | XRF/INAA | |
| NB | 2 | PPM | XRF/INAA | |
| CS | 0.3 | PPM | XRF/INAA | |
| BA | 289 | PPM | XRF/INAA | |
| HF | 2.4 | PPM | XRF/INAA | |
| TA | 0.26 | PPM | XRF/INAA | |
| PB | 3.9 | PPM | XRF/INAA | |
| TH | 2.1 | PPM | XRF/INAA | |
| U | 0.8 | PPM | XRF/INAA | |
| ND143_ND144 | 0.512841 | TIMS | ||
| SR87_SR86 | 0.7037 | TIMS | ||
| PB206_PB204 | 18.874 | TIMS | ||
| PB207_PB204 | 15.595 | TIMS | ||
| PB208_PB204 | 38.498 | TIMS |