Sample s_LM80-824
NavDat sample number 20550 · ANDESITE
Sample
| Sample ID | s_LM80-824 |
|---|---|
| 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 | 60.22 | WT% | XRF | |
| TIO2 | 0.8 | WT% | XRF | |
| AL2O3 | 17.24 | WT% | XRF | |
| FE2O3 | 1.24 | WT% | XRF | |
| FEOT | 5.61 | WT% | XRF | |
| FEO | 4.49 | WT% | XRF | |
| CAO | 6.24 | WT% | XRF | |
| MGO | 3.62 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| K2O | 2.06 | WT% | XRF | |
| NA2O | 3.72 | WT% | XRF | |
| P2O5 | 0.21 | WT% | XRF | |
| LOI | 0.14 | WT% | IGN | |
| LA | 22 | PPM | XRF/INAA | |
| SM | 4.4 | PPM | XRF/INAA | |
| EU | 1 | PPM | XRF/INAA | |
| YB | 2 | PPM | XRF/INAA | |
| SC | 15.8 | PPM | XRF/INAA | |
| CR | 54.9 | PPM | XRF/INAA | |
| CO | 19.6 | PPM | XRF/INAA | |
| RB | 51 | PPM | XRF/INAA | |
| SR | 459 | PPM | XRF/INAA | |
| Y | 21 | PPM | XRF/INAA | |
| ZR | 175 | PPM | XRF/INAA | |
| NB | 6 | PPM | XRF/INAA | |
| CS | 1.5 | PPM | XRF/INAA | |
| BA | 666 | PPM | XRF/INAA | |
| HF | 4.1 | PPM | XRF/INAA | |
| TA | 0.65 | PPM | XRF/INAA | |
| PB | 8.5 | PPM | XRF/INAA | |
| TH | 6 | PPM | XRF/INAA | |
| U | 1.9 | PPM | XRF/INAA | |
| ND143_ND144 | 0.512769 | TIMS | ||
| SR87_SR86 | 0.70418 | TIMS | ||
| PB206_PB204 | 18.954 | TIMS | ||
| PB207_PB204 | 15.626 | TIMS | ||
| PB208_PB204 | 38.657 | TIMS |