Sample s_LC88-1371
NavDat sample number 39187 · ANDESITE
Sample
| Sample ID | s_LC88-1371 |
|---|---|
| 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 / PACIFIC OCEAN |
| State / province | CALIFORNIA |
| Location comment | UNIDENTIFIED VENTS |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 1.37 | 1.233 | 1.507 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 51.99 | WT% | XRF | |
| TIO2 | 0.82 | WT% | XRF | |
| AL2O3 | 16.57 | WT% | XRF | |
| FE2O3 | 1.86 | WT% | XRF | |
| FEOT | 8.35 | WT% | XRF | |
| FEO | 6.68 | WT% | XRF | |
| CAO | 10.28 | WT% | XRF | |
| MGO | 8.34 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| K2O | 0.22 | WT% | XRF | |
| NA2O | 2.92 | WT% | XRF | |
| P2O5 | 0.09 | WT% | XRF | |
| LOI | 0.05 | WT% | IGN | |
| LA | 4.9 | PPM | INAA | |
| CE | 12 | PPM | INAA | |
| ND | 8.2 | PPM | INAA | |
| SM | 2.59 | PPM | INAA | |
| EU | 0.88 | PPM | INAA | |
| TB | 0.53 | PPM | INAA | |
| YB | 2.6 | PPM | INAA | |
| LU | 0.39 | PPM | INAA | |
| CR | 344 | PPM | XRF | |
| CO | 40.5 | PPM | INAA | |
| NI | 100 | PPM | XRF | |
| RB | 6 | PPM | XRF | |
| SR | 280 | PPM | XRF | |
| ZR | 130 | PPM | XRF | |
| CS | 0.17 | PPM | INAA | |
| BA | 140 | PPM | XRF | |
| HF | 1.8 | PPM | INAA | |
| TA | 0.12 | PPM | INAA | |
| TH | 0.62 | PPM | INAA | |
| U | 0.27 | PPM | INAA | |
| ND143_ND144 | 0.512991 | TIMS | ||
| SR87_SR86 | 0.70367 | TIMS | ||
| PB206_PB204 | 19.039 | TIMS | ||
| PB207_PB204 | 15.643 | TIMS | ||
| PB208_PB204 | 38.727 | TIMS | ||
| D18O | 5.7 | PERMILL | MS |